/* ==========================================================================
   Selltool.vn — Components dùng chung
   Quy ước: BEM (.block, .block__elem, .block--mod), trạng thái: .is-*
   Không style theo id. Mọi màu lấy từ tokens.css.
   ========================================================================== */

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: var(--lh-md);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, p, ul, ol, figure, dl, dd { margin: 0; }
ul[class], ol[class] { list-style: none; padding: 0; }
h1, h2, h3, h4 { color: var(--color-text); font-weight: var(--fw-semibold); letter-spacing: -0.01em; }
a { color: var(--color-primary-text); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
hr { border: 0; border-top: 1px solid var(--color-border); margin: var(--space-6) 0; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--brand-200); color: var(--brand-950); }

.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.is-hidden { display: none !important; }
.mono { font-family: var(--font-mono); font-size: .95em; letter-spacing: 0; }
.num { font-variant-numeric: tabular-nums; }
.text-2 { color: var(--color-text-2); }
.text-3 { color: var(--color-text-3); }
.text-sm { font-size: var(--fs-sm); line-height: var(--lh-sm); }
.text-xs { font-size: var(--fs-xs); line-height: var(--lh-xs); }
.text-danger { color: var(--color-danger-text); }
.text-success { color: var(--color-success-text); }
.text-warning { color: var(--color-warning-text); }
.fw-600 { font-weight: var(--fw-semibold); }
.nowrap { white-space: nowrap; }

/* ---------- Layout helpers ---------- */
.stack { display: flex; flex-direction: column; gap: var(--space-4); }
.stack--xs { gap: var(--space-1); } .stack--sm { gap: var(--space-2); } .stack--md { gap: var(--space-3); }
.stack--lg { gap: var(--space-6); } .stack--xl { gap: var(--space-8); }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); }
.cluster--sm { gap: var(--space-2); }
.cluster--between { justify-content: space-between; }
.cluster--end { justify-content: flex-end; }
.cluster--nowrap { flex-wrap: nowrap; }
.grow { flex: 1 1 auto; min-width: 0; }
.grid { display: grid; gap: var(--space-4); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid--kpi { grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.grid--aside { grid-template-columns: 1fr; gap: var(--space-6); }
@media (min-width: 1024px) { .grid--aside { grid-template-columns: minmax(0, 1fr) 360px; } }

/* ---------- Icon (Lucide, SVG inline) ---------- */
.icon { width: 18px; height: 18px; flex: none; stroke-width: 1.9; }
.icon--sm { width: 16px; height: 16px; }
.icon--xs { width: 14px; height: 14px; }
.icon--lg { width: 22px; height: 22px; }
.icon--xl { width: 28px; height: 28px; }

/* ---------- Button ---------- */
.btn {
  --btn-h: 40px;
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  height: var(--btn-h); padding: 0 var(--space-4);
  border: 1px solid transparent; border-radius: var(--radius-md);
  font-size: var(--fs-md); font-weight: var(--fw-semibold); line-height: 1; white-space: nowrap;
  text-decoration: none !important;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  user-select: none;
}
.btn:focus-visible { outline: none; box-shadow: var(--ring); }
.btn--primary { background: var(--color-primary); color: var(--color-text-inverse); box-shadow: var(--shadow-xs); }
.btn--primary:hover { background: var(--color-primary-hover); }
.btn--secondary { background: var(--color-surface); color: var(--color-text); border-color: var(--color-border-strong); box-shadow: var(--shadow-xs); }
.btn--secondary:hover { background: var(--color-surface-hover); }
.btn--soft { background: var(--color-primary-soft); color: var(--color-primary-text); }
.btn--soft:hover { background: var(--color-primary-soft-2); }
.btn--ghost { background: transparent; color: var(--color-text-2); }
.btn--ghost:hover { background: var(--color-surface-hover); color: var(--color-text); }
.btn--danger { background: var(--color-danger); color: #fff; }
.btn--danger:hover { background: var(--danger-700); }
.btn--danger-ghost { background: transparent; color: var(--color-danger-text); border-color: var(--color-border-strong); }
.btn--danger-ghost:hover { background: var(--color-danger-soft); border-color: var(--danger-200); }
.btn--sm { --btn-h: 32px; padding: 0 var(--space-3); font-size: var(--fs-sm); gap: 6px; border-radius: var(--radius-sm); }
.btn--lg { --btn-h: 48px; padding: 0 var(--space-6); font-size: var(--fs-lg); }
.btn--block { display: flex; width: 100%; }
.btn--icon { width: var(--btn-h); padding: 0; }
.btn[disabled], .btn.is-disabled { opacity: .5; pointer-events: none; box-shadow: none; }
.btn.is-loading { color: transparent !important; pointer-events: none; }
.btn.is-loading > * { visibility: hidden; }
.btn.is-loading::after {
  content: ""; position: absolute; width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid currentColor; border-color: rgba(255,255,255,.95) rgba(255,255,255,.95) rgba(255,255,255,.3) rgba(255,255,255,.3);
  animation: spin .7s linear infinite;
}
.btn--secondary.is-loading::after, .btn--ghost.is-loading::after, .btn--soft.is-loading::after {
  border-color: var(--color-primary) var(--color-primary) var(--color-primary-soft-2) var(--color-primary-soft-2);
}
.btn.is-copied { color: var(--color-success-text); }
@keyframes spin { to { transform: rotate(360deg); } }

.link-btn { background: none; border: 0; padding: 0; color: var(--color-primary-text); font-weight: var(--fw-medium); cursor: pointer; }
.link-btn:hover { text-decoration: underline; text-underline-offset: 2px; }
.link-btn[disabled] { color: var(--color-text-3); cursor: default; text-decoration: none; }

/* ---------- Form field ---------- */
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field__label { font-size: var(--fs-sm); font-weight: var(--fw-medium); color: var(--color-text-2); display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-2); }
.field__label .opt { color: var(--color-text-3); font-weight: var(--fw-regular); }
.field__hint { font-size: var(--fs-xs); line-height: var(--lh-xs); color: var(--color-text-3); display: flex; gap: 6px; align-items: center; }
.field__error { font-size: var(--fs-xs); line-height: var(--lh-xs); color: var(--color-danger-text); display: none; gap: 6px; align-items: center; }
.field.is-invalid .field__error { display: flex; }
.field.is-invalid .field__hint { display: none; }

.input, .select, .textarea {
  width: 100%; height: 42px; padding: 0 var(--space-3);
  background: var(--color-surface); color: var(--color-text);
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-md);
  font-size: var(--fs-md); outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.input::placeholder, .textarea::placeholder { color: var(--color-text-3); opacity: .85; }
.input:hover, .select:hover, .textarea:hover { border-color: var(--color-text-3); }
.input:focus, .select:focus, .textarea:focus { border-color: var(--color-primary); box-shadow: var(--ring); }
.input[readonly], .input:disabled { background: var(--color-surface-2); color: var(--color-text-2); }
.input:disabled, .select:disabled { cursor: not-allowed; opacity: .7; }
.field.is-invalid .input, .field.is-invalid .select, .field.is-invalid .textarea, .input.is-invalid { border-color: var(--color-danger); }
.field.is-invalid .input:focus { box-shadow: var(--ring-danger); }
.textarea { height: auto; min-height: 120px; padding: var(--space-3); resize: vertical; line-height: var(--lh-md); }
.select {
  appearance: none; padding-right: 36px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
}
.input--sm, .select--sm { height: 34px; font-size: var(--fs-sm); border-radius: var(--radius-sm); }

/* Input có icon / nút bên trong */
.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap > .input { flex: 1; }
.input-wrap__icon { position: absolute; left: 12px; color: var(--color-text-3); pointer-events: none; }
.input-wrap--icon > .input { padding-left: 38px; }
.input-wrap__action {
  position: absolute; right: 4px; height: 34px; min-width: 34px; padding: 0 8px;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: transparent; border: 0; border-radius: var(--radius-sm); color: var(--color-text-3);
  font-size: var(--fs-sm); font-weight: var(--fw-medium);
}
.input-wrap__action:hover { background: var(--color-surface-hover); color: var(--color-text); }
.input-wrap--action > .input { padding-right: 46px; }

/* Checkbox / radio */
.check { display: inline-flex; align-items: flex-start; gap: 10px; cursor: pointer; font-size: var(--fs-md); color: var(--color-text-2); }
.check input { appearance: none; flex: none; width: 18px; height: 18px; margin: 2px 0 0; border: 1.5px solid var(--color-border-strong); border-radius: 5px; background: var(--color-surface); display: grid; place-content: center; transition: all var(--dur) var(--ease); cursor: pointer; }
.check input[type="radio"] { border-radius: 50%; }
.check input:checked { background: var(--color-primary); border-color: var(--color-primary); }
.check input[type="checkbox"]:checked::after { content: ""; width: 10px; height: 6px; border: 2px solid #fff; border-top: 0; border-right: 0; transform: translateY(-1px) rotate(-45deg); }
.check input[type="checkbox"]:indeterminate { background: var(--color-primary); border-color: var(--color-primary); }
.check input[type="checkbox"]:indeterminate::after { content: ""; width: 8px; height: 2px; background: #fff; }
.check input[type="radio"]:checked::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #fff; }
.check input:focus-visible { outline: none; box-shadow: var(--ring); }
.check--sm { font-size: var(--fs-sm); }

/* Switch */
.switch { display: inline-flex; align-items: center; gap: 12px; cursor: pointer; }
.switch input { appearance: none; position: relative; flex: none; width: 40px; height: 22px; margin: 0; border-radius: var(--radius-full); background: var(--color-border-strong); transition: background var(--dur) var(--ease); cursor: pointer; }
.switch input::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.2); transition: transform var(--dur) var(--ease); }
.switch input:checked { background: var(--color-primary); }
.switch input:checked::after { transform: translateX(18px); }
.switch input:focus-visible { outline: none; box-shadow: var(--ring); }

/* Radio card (chọn gói) */
.radio-cards { display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.radio-card { position: relative; display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-4) var(--space-5); background: var(--color-surface); border: 1.5px solid var(--color-border); border-radius: var(--radius-lg); cursor: pointer; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease); }
.radio-card:hover { border-color: var(--color-border-strong); }
.radio-card input { position: absolute; opacity: 0; pointer-events: none; }
.radio-card__mark { position: absolute; top: 16px; right: 16px; width: 20px; height: 20px; border-radius: 50%; border: 1.5px solid var(--color-border-strong); display: grid; place-content: center; background: var(--color-surface); }
.radio-card:has(input:checked) { border-color: var(--color-primary); box-shadow: var(--ring); background: linear-gradient(0deg, var(--color-primary-soft), var(--color-primary-soft)), var(--color-surface); }
.radio-card:has(input:checked) .radio-card__mark { background: var(--color-primary); border-color: var(--color-primary); }
.radio-card:has(input:checked) .radio-card__mark::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #fff; }
.radio-card:has(input:focus-visible) { box-shadow: var(--ring); }
.radio-card__title { font-weight: var(--fw-semibold); font-size: var(--fs-lg); padding-right: 28px; }
.radio-card__price { font-size: var(--fs-2xl); line-height: var(--lh-2xl); font-weight: var(--fw-bold); font-variant-numeric: tabular-nums; }
.radio-card__price small { font-size: var(--fs-sm); font-weight: var(--fw-regular); color: var(--color-text-3); }
.radio-card__strike { font-size: var(--fs-sm); color: var(--color-text-3); text-decoration: line-through; }
.radio-card__meta { font-size: var(--fs-sm); color: var(--color-text-3); }
.radio-card__flag { position: absolute; top: -10px; left: 16px; }

/* OTP 6 ô */
.otp { display: flex; gap: var(--space-2); justify-content: space-between; }
.otp__input {
  width: 100%; max-width: 52px; height: 56px; text-align: center; padding: 0;
  font-size: var(--fs-2xl); font-weight: var(--fw-semibold); font-variant-numeric: tabular-nums;
  background: var(--color-surface); border: 1px solid var(--color-border-strong); border-radius: var(--radius-md); outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  caret-color: var(--color-primary);
}
.otp__input:focus { border-color: var(--color-primary); box-shadow: var(--ring); }
.otp__input.is-filled { border-color: var(--color-text-3); }
.otp.is-invalid .otp__input { border-color: var(--color-danger); animation: shake .32s; }
.otp.is-success .otp__input { border-color: var(--color-success); color: var(--color-success-text); }
.otp__sep { align-self: center; color: var(--color-text-3); }
@keyframes shake { 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }

/* Thanh độ mạnh mật khẩu */
.pw-strength { display: flex; flex-direction: column; gap: var(--space-2); }
.pw-strength__bars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.pw-strength__bars span { height: 4px; border-radius: 4px; background: var(--color-border); transition: background var(--dur) var(--ease); }
.pw-strength[data-level="1"] .pw-strength__bars span:nth-child(-n+1) { background: var(--color-danger); }
.pw-strength[data-level="2"] .pw-strength__bars span:nth-child(-n+2) { background: var(--color-warning); }
.pw-strength[data-level="3"] .pw-strength__bars span:nth-child(-n+3) { background: var(--color-success); }
.pw-strength[data-level="4"] .pw-strength__bars span { background: var(--color-success); }
.pw-strength__label { font-size: var(--fs-xs); color: var(--color-text-3); }
.pw-strength__rules { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: var(--fs-xs); color: var(--color-text-3); }
.pw-strength__rules li { display: inline-flex; align-items: center; gap: 5px; }
.pw-strength__rules li::before { content: ""; width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid var(--color-border-strong); flex: none; }
.pw-strength__rules li.is-ok { color: var(--color-success-text); }
.pw-strength__rules li.is-ok::before { border-color: var(--color-success); background: var(--color-success) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/8px no-repeat; }

/* Ô copy / Ô key */
.copy-field { display: flex; align-items: center; gap: var(--space-2); min-height: 44px; padding: 4px 4px 4px var(--space-3); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.copy-field__value { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--font-mono); font-size: var(--fs-md); color: var(--color-text); }
.copy-field__value.is-sans { font-family: var(--font-sans); }
.copy-field--lg .copy-field__value { font-size: var(--fs-lg); letter-spacing: .02em; }
.copy-field--emph { border-color: var(--danger-200); background: var(--color-danger-soft); }
.copy-field--emph .copy-field__value { color: var(--color-danger-text); font-weight: var(--fw-bold); }

/* Turnstile placeholder 300×65 */
.turnstile { width: 300px; max-width: 100%; height: 65px; display: flex; align-items: center; gap: 12px; padding: 0 14px; border: 1px solid var(--color-border-strong); border-radius: 6px; background: var(--color-surface-2); font-size: var(--fs-sm); color: var(--color-text-2); }
.turnstile__box { width: 24px; height: 24px; border: 2px solid var(--color-border-strong); border-radius: 4px; background: var(--color-surface); flex: none; }
.turnstile__brand { margin-left: auto; text-align: right; font-size: 10px; line-height: 12px; color: var(--color-text-3); }

/* ---------- Badge ---------- */
.badge { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 10px; border-radius: var(--radius-full); font-size: var(--fs-xs); font-weight: var(--fw-semibold); white-space: nowrap; line-height: 1; background: var(--color-muted-soft); color: var(--color-muted-text); }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; }
.badge--plain::before { display: none; }
.badge--success { background: var(--color-success-soft); color: var(--color-success-text); }
.badge--warning { background: var(--color-warning-soft); color: var(--color-warning-text); }
.badge--danger  { background: var(--color-danger-soft);  color: var(--color-danger-text); }
.badge--info    { background: var(--color-info-soft);    color: var(--color-info-text); }
.badge--brand   { background: var(--color-primary-soft); color: var(--color-primary-text); }
.badge--muted   { background: var(--color-muted-soft);   color: var(--color-muted-text); }
.badge--solid   { background: var(--color-primary); color: #fff; }
.badge--sm { height: 20px; padding: 0 8px; font-size: 11px; }
.badge .icon { width: 12px; height: 12px; }
.badge:has(.icon)::before { display: none; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--color-text-3); flex: none; }
.dot--online { background: var(--color-success); box-shadow: 0 0 0 3px var(--color-success-soft); }
.dot--offline { background: var(--color-border-strong); }

/* ---------- Card ---------- */
.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); min-width: 0; }
.card__header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); }
.card__header--flush { border-bottom: 0; padding-bottom: 0; }
.card__title { font-size: var(--fs-lg); line-height: var(--lh-lg); font-weight: var(--fw-semibold); }
.card__subtitle { font-size: var(--fs-sm); color: var(--color-text-3); }
.card__body { padding: var(--space-5); }
.card__footer { display: flex; align-items: center; justify-content: flex-end; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-top: 1px solid var(--color-border); background: var(--color-surface-2); border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
.card--pad { padding: var(--space-5); }
.card--hover { transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.card--hover:hover { border-color: var(--color-border-strong); box-shadow: var(--shadow-md); }
.card--dashed { border-style: dashed; box-shadow: none; background: transparent; }

/* Definition list trong thẻ */
.dl { display: grid; grid-template-columns: minmax(120px, max-content) 1fr; gap: var(--space-3) var(--space-6); font-size: var(--fs-md); }
.dl dt { color: var(--color-text-3); }
.dl dd { color: var(--color-text); font-weight: var(--fw-medium); min-width: 0; }
@media (max-width: 520px) { .dl { grid-template-columns: 1fr; gap: 2px; } .dl dd { margin-bottom: var(--space-3); } }

/* ---------- KPI ---------- */
.kpi { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-5); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); text-decoration: none !important; color: inherit; }
a.kpi:hover { border-color: var(--color-border-strong); }
.kpi__head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); font-size: var(--fs-sm); color: var(--color-text-3); font-weight: var(--fw-medium); }
.kpi__icon { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--color-primary-soft); color: var(--color-primary-text); }
.kpi__icon--sm { width: 32px; height: 32px; border-radius: 9px; }
.kpi__icon--danger { background: var(--color-danger-soft); color: var(--color-danger-text); }
.kpi__icon--success { background: var(--color-success-soft); color: var(--color-success-text); }
.kpi__icon--warning { background: var(--color-warning-soft); color: var(--color-warning-text); }
.kpi__icon--info { background: var(--color-info-soft); color: var(--color-info-text); }
.kpi__value { font-size: var(--fs-3xl); line-height: var(--lh-3xl); font-weight: var(--fw-bold); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.kpi__foot { font-size: var(--fs-xs); color: var(--color-text-3); }
.kpi__delta { font-weight: var(--fw-semibold); }
@media (max-width: 639px) {
  .grid--kpi { gap: var(--space-3); }
  .kpi { display: grid; grid-template-columns: 1fr auto; gap: 2px var(--space-4); padding: var(--space-4); }
  .kpi__head { grid-column: 1; }
  .kpi__head .kpi__icon { display: none; }
  .kpi__value { grid-column: 2; grid-row: 1 / span 2; align-self: center; font-size: var(--fs-2xl); }
  .kpi__foot { grid-column: 1; }
}
.kpi__delta--up { color: var(--color-success-text); } .kpi__delta--down { color: var(--color-danger-text); }

/* ---------- Progress (hạn dùng / hạn mức) ---------- */
.progress { display: flex; flex-direction: column; gap: 6px; }
.progress__track { height: 6px; border-radius: var(--radius-full); background: var(--color-border); overflow: hidden; }
.progress__bar { height: 100%; width: var(--value, 50%); border-radius: inherit; background: var(--color-primary); transition: width .4s var(--ease); }
.progress--success .progress__bar { background: var(--color-success); }
.progress--warning .progress__bar { background: var(--color-warning); }
.progress--danger  .progress__bar { background: var(--color-danger); }
.progress--muted   .progress__bar { background: var(--color-text-3); }
.progress--lg .progress__track { height: 10px; }
.progress__meta { display: flex; justify-content: space-between; gap: var(--space-2); font-size: var(--fs-xs); color: var(--color-text-3); font-variant-numeric: tabular-nums; }
.progress__meta strong { color: var(--color-text); font-weight: var(--fw-semibold); }

/* ---------- Table ---------- */
.table-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); }
.table-toolbar__search { flex: 1 1 260px; max-width: 360px; }
.table-toolbar__bulk { display: none; align-items: center; gap: var(--space-3); padding: 6px 6px 6px 14px; border-radius: var(--radius-md); background: var(--color-primary-soft); color: var(--color-primary-text); font-size: var(--fs-sm); font-weight: var(--fw-medium); }
.table-toolbar__bulk.is-active { display: flex; }
.table-wrap { width: 100%; overflow-x: auto; }
.table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: var(--fs-md); }
.table th { position: sticky; top: 0; text-align: left; font-size: var(--fs-xs); font-weight: var(--fw-semibold); color: var(--color-text-3); text-transform: uppercase; letter-spacing: .04em; padding: 10px var(--space-4); background: var(--color-surface-2); border-bottom: 1px solid var(--color-border); white-space: nowrap; }
.table th:first-child, .table td:first-child { padding-left: var(--space-5); }
.table th:last-child, .table td:last-child { padding-right: var(--space-5); }
.table td { padding: 14px var(--space-4); border-bottom: 1px solid var(--color-border); vertical-align: middle; color: var(--color-text-2); }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr { transition: background var(--dur) var(--ease); }
.table tbody tr:hover { background: var(--color-surface-hover); }
.table tbody tr.is-selected { background: var(--color-primary-soft); }
.table .col-check { width: 44px; }
.table .col-num { text-align: right; font-variant-numeric: tabular-nums; }
.table .col-actions { text-align: right; white-space: nowrap; width: 1%; }
.table .col-stt { width: 56px; color: var(--color-text-3); font-variant-numeric: tabular-nums; }
.th-sort { display: inline-flex; align-items: center; gap: 4px; background: none; border: 0; padding: 0; font: inherit; color: inherit; text-transform: inherit; letter-spacing: inherit; cursor: pointer; }
.th-sort:hover { color: var(--color-text); }
.th-sort[aria-sort="ascending"], .th-sort[aria-sort="descending"] { color: var(--color-primary-text); }
.cell-main { display: flex; align-items: center; gap: var(--space-3); min-width: 0; }
.cell-main__title { font-weight: var(--fw-semibold); color: var(--color-text); }
.cell-main__sub { font-size: var(--fs-xs); color: var(--color-text-3); }
.table-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-3) var(--space-5); border-top: 1px solid var(--color-border); font-size: var(--fs-sm); color: var(--color-text-3); }

/* Bảng → thẻ trên mobile: thêm .table--stack, mỗi td có data-label */
@media (max-width: 767px) {
  .table--stack thead { display: none; }
  .table--stack, .table--stack tbody, .table--stack tr, .table--stack td { display: block; width: 100%; }
  .table--stack tr { padding: var(--space-4) var(--space-4); border-bottom: 1px solid var(--color-border); }
  .table--stack tbody tr:last-child { border-bottom: 0; }
  .table--stack td { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); padding: 6px 0 !important; border: 0; text-align: right; }
  .table--stack td::before { content: attr(data-label); flex: none; font-size: var(--fs-xs); color: var(--color-text-3); text-align: left; }
  .table--stack td[data-label=""]::before, .table--stack td:not([data-label])::before { display: none; }
  .table--stack td.td-primary { justify-content: flex-start; text-align: left; padding-bottom: 10px !important; }
  .table--stack td.td-primary::before { display: none; }
  .table--stack td.col-actions { justify-content: flex-end; padding-top: 12px !important; width: 100%; flex-wrap: wrap; }
  .table--stack td.col-check, .table--stack td.col-stt { display: none; }
  .table-toolbar__search { max-width: none; }
}

/* Pagination */
.pagination { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.pagination__pages { display: flex; gap: 4px; }
.pagination__btn { min-width: 32px; height: 32px; padding: 0 8px; display: inline-grid; place-items: center; border-radius: var(--radius-sm); border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text-2); font-size: var(--fs-sm); font-variant-numeric: tabular-nums; }
.pagination__btn:hover:not([disabled]) { background: var(--color-surface-hover); }
.pagination__btn[aria-current="page"] { background: var(--color-primary); border-color: var(--color-primary); color: #fff; font-weight: var(--fw-semibold); }
.pagination__btn[disabled] { opacity: .45; cursor: default; }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: var(--space-1); border-bottom: 1px solid var(--color-border); overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs__tab { position: relative; display: inline-flex; align-items: center; gap: var(--space-2); padding: 12px var(--space-3); background: none; border: 0; color: var(--color-text-3); font-weight: var(--fw-medium); white-space: nowrap; text-decoration: none !important; }
.tabs__tab:hover { color: var(--color-text); }
.tabs__tab[aria-selected="true"], .tabs__tab[aria-current="page"] { color: var(--color-primary-text); }
.tabs__tab[aria-selected="true"]::after, .tabs__tab[aria-current="page"]::after { content: ""; position: absolute; left: 8px; right: 8px; bottom: -1px; height: 2px; border-radius: 2px 2px 0 0; background: var(--color-primary); }
.tabs__count { min-width: 20px; height: 20px; padding: 0 6px; border-radius: var(--radius-full); display: inline-grid; place-items: center; background: var(--color-muted-soft); color: var(--color-muted-text); font-size: 11px; font-weight: var(--fw-semibold); }
.tabs__tab[aria-selected="true"] .tabs__count { background: var(--color-primary-soft); color: var(--color-primary-text); }
.tab-panel[hidden] { display: none; }
/* Tabs dạng segmented */
.segmented { display: inline-flex; padding: 3px; gap: 2px; border-radius: var(--radius-md); background: var(--color-surface-2); border: 1px solid var(--color-border); }
.segmented__btn { height: 30px; padding: 0 12px; border: 0; border-radius: 7px; background: transparent; color: var(--color-text-3); font-size: var(--fs-sm); font-weight: var(--fw-medium); }
.segmented__btn[aria-pressed="true"], .segmented__btn[aria-selected="true"] { background: var(--color-surface); color: var(--color-text); box-shadow: var(--shadow-sm); }

/* ---------- Breadcrumb ---------- */
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: var(--fs-sm); color: var(--color-text-3); }
.breadcrumb a { color: var(--color-text-3); }
.breadcrumb a:hover { color: var(--color-text); }
.breadcrumb__sep { opacity: .6; }
.breadcrumb [aria-current="page"] { color: var(--color-text-2); font-weight: var(--fw-medium); }

/* ---------- Stepper ---------- */
.stepper { display: flex; align-items: center; gap: var(--space-2); counter-reset: step; }
.stepper__step { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-sm); color: var(--color-text-3); font-weight: var(--fw-medium); white-space: nowrap; }
.stepper__dot { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; border: 1.5px solid var(--color-border-strong); background: var(--color-surface); font-size: var(--fs-sm); font-weight: var(--fw-semibold); font-variant-numeric: tabular-nums; }
.stepper__line { flex: 1; min-width: 16px; height: 2px; border-radius: 2px; background: var(--color-border); }
.stepper__step.is-current { color: var(--color-text); }
.stepper__step.is-current .stepper__dot { border-color: var(--color-primary); background: var(--color-primary); color: #fff; box-shadow: var(--ring); }
.stepper__step.is-done .stepper__dot { border-color: var(--color-primary); background: var(--color-primary-soft); color: var(--color-primary-text); }
.stepper__line.is-done { background: var(--color-primary); }
@media (max-width: 560px) { .stepper__step:not(.is-current) .stepper__label { display: none; } }

/* ---------- Timeline ---------- */
.timeline { position: relative; display: flex; flex-direction: column; gap: var(--space-5); }
.timeline__item { position: relative; display: grid; grid-template-columns: 32px 1fr; gap: var(--space-3); }
.timeline__item:not(:last-child)::before { content: ""; position: absolute; left: 15px; top: 34px; bottom: calc(-1 * var(--space-5) + 2px); width: 2px; background: var(--color-border); }
.timeline__icon { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--color-muted-soft); color: var(--color-text-3); }
.timeline__icon .icon { width: 16px; height: 16px; }
.timeline__icon--success { background: var(--color-success-soft); color: var(--color-success-text); }
.timeline__icon--brand { background: var(--color-primary-soft); color: var(--color-primary-text); }
.timeline__icon--warning { background: var(--color-warning-soft); color: var(--color-warning-text); }
.timeline__icon--info { background: var(--color-info-soft); color: var(--color-info-text); }
.timeline__title { font-weight: var(--fw-medium); color: var(--color-text); }
.timeline__meta { font-size: var(--fs-xs); color: var(--color-text-3); font-variant-numeric: tabular-nums; }

/* ---------- Alert (inline) & Banner (đầu trang) ---------- */
.alert { display: flex; gap: var(--space-3); padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); border: 1px solid; font-size: var(--fs-sm); line-height: var(--lh-sm); }
.alert .icon { margin-top: 1px; }
.alert__title { font-weight: var(--fw-semibold); color: inherit; }
.alert__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.alert--info    { background: var(--color-info-soft);    border-color: var(--info-200);    color: var(--color-info-text); }
.alert--success { background: var(--color-success-soft); border-color: var(--success-200); color: var(--color-success-text); }
.alert--warning { background: var(--color-warning-soft); border-color: var(--warning-200); color: var(--color-warning-text); }
.alert--danger  { background: var(--color-danger-soft);  border-color: var(--danger-200);  color: var(--color-danger-text); }
.alert--neutral { background: var(--color-surface-2); border-color: var(--color-border); color: var(--color-text-2); }
[data-theme="dark"] .alert { border-color: transparent; }
.alert p { color: inherit; }
.alert a, .alert .link-btn { color: inherit; text-decoration: underline; text-underline-offset: 2px; font-weight: var(--fw-semibold); }

.banner { display: flex; align-items: center; gap: var(--space-3); padding: 10px var(--space-6); font-size: var(--fs-sm); border-bottom: 1px solid; }
.banner__text { flex: 1; min-width: 0; }
.banner--warning { background: var(--color-warning-soft); color: var(--color-warning-text); border-color: var(--warning-200); }
.banner--info { background: var(--color-info-soft); color: var(--color-info-text); border-color: var(--info-200); }
.banner--brand { background: var(--color-primary); color: #fff; border-color: transparent; }
[data-theme="dark"] .banner { border-color: var(--color-border); }
.banner a { color: inherit; font-weight: var(--fw-semibold); text-decoration: underline; text-underline-offset: 2px; }
.banner__close { background: none; border: 0; color: inherit; opacity: .7; padding: 4px; border-radius: 6px; display: grid; }
.banner__close:hover { opacity: 1; }
@media (max-width: 640px) { .banner { padding: 10px var(--space-4); } }

/* ---------- Dropdown / menu ---------- */
.dropdown { position: relative; display: inline-flex; }
.menu {
  position: absolute; top: calc(100% + 6px); right: 0; z-index: var(--z-dropdown);
  min-width: 220px; padding: 6px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  display: none; flex-direction: column; gap: 2px;
}
.menu--left { right: auto; left: 0; }
.menu--up { top: auto; bottom: calc(100% + 6px); }
.dropdown.is-open > .menu { display: flex; animation: pop .14s var(--ease); }
.menu__item { display: flex; align-items: center; gap: 10px; width: 100%; padding: 8px 10px; border: 0; border-radius: var(--radius-sm); background: none; color: var(--color-text-2); font-size: var(--fs-md); text-align: left; text-decoration: none !important; white-space: nowrap; }
.menu__item:hover, .menu__item:focus-visible { background: var(--color-surface-hover); color: var(--color-text); outline: none; }
.menu__item .icon { color: var(--color-text-3); }
.menu__item--danger, .menu__item--danger .icon { color: var(--color-danger-text); }
.menu__item--danger:hover { background: var(--color-danger-soft); }
.menu__item .switch { margin-left: auto; }
.menu__sep { height: 1px; margin: 4px -6px; background: var(--color-border); }
.menu__label { padding: 6px 10px 4px; font-size: var(--fs-xs); color: var(--color-text-3); font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: .04em; }
.menu__head { padding: 8px 10px 10px; display: flex; gap: 10px; align-items: center; border-bottom: 1px solid var(--color-border); margin: -6px -6px 4px; padding: 14px 16px; }
@keyframes pop { from { opacity: 0; transform: translateY(-4px) scale(.98); } }

/* Thông báo (chuông) */
.notif { width: min(380px, calc(100vw - 24px)); padding: 0; gap: 0; }
.notif__head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--color-border); }
.notif__list { max-height: 360px; overflow-y: auto; }
.notif__item { display: grid; grid-template-columns: 32px 1fr auto; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--color-border); color: inherit; text-decoration: none !important; }
.notif__item:hover { background: var(--color-surface-hover); }
.notif__item.is-unread { background: linear-gradient(90deg, var(--color-primary-soft), transparent 60%); }
.notif__item.is-unread::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); margin-top: 6px; }
.notif__title { display: block; font-size: var(--fs-sm); font-weight: var(--fw-medium); color: var(--color-text); }
.notif__time { display: block; font-size: var(--fs-xs); color: var(--color-text-3); }
.notif__foot { padding: 10px 16px; text-align: center; font-size: var(--fs-sm); }

/* ---------- Avatar ---------- */
.avatar { width: 36px; height: 36px; border-radius: 50%; display: inline-grid; place-items: center; flex: none; background: linear-gradient(135deg, var(--brand-400), var(--brand-700)); color: #fff; font-weight: var(--fw-semibold); font-size: var(--fs-sm); overflow: hidden; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar--sm { width: 28px; height: 28px; font-size: 11px; }
.avatar--lg { width: 64px; height: 64px; font-size: var(--fs-xl); }
.avatar--xl { width: 88px; height: 88px; font-size: var(--fs-3xl); }

/* Tool icon */
.tool-icon { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; flex: none; color: #fff; background: linear-gradient(135deg, var(--brand-500), var(--brand-800)); box-shadow: inset 0 0 0 1px rgba(255,255,255,.12); }
.tool-icon--sm { width: 32px; height: 32px; border-radius: 9px; }
.tool-icon--sm .icon { width: 16px; height: 16px; }
.tool-icon--lg { width: 56px; height: 56px; border-radius: 15px; }
.tool-icon--lg .icon { width: 26px; height: 26px; }
.tool-icon--sub { background: linear-gradient(135deg, #0ea5e9, #1d4ed8); }
.tool-icon--cut { background: linear-gradient(135deg, #f97316, #c2410c); }

/* ---------- Modal ---------- */
.modal { position: fixed; inset: 0; z-index: var(--z-modal); display: none; align-items: center; justify-content: center; padding: var(--space-4); background: var(--color-overlay); backdrop-filter: blur(2px); }
.modal.is-open { display: flex; animation: fade .16s var(--ease); }
.modal__dialog { width: 100%; max-width: 480px; max-height: calc(100vh - 32px); overflow-y: auto; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); animation: rise .2s var(--ease); }
.modal__dialog--lg { max-width: 640px; }
.modal__header { display: flex; align-items: flex-start; gap: var(--space-4); padding: var(--space-5) var(--space-5) 0; }
.modal__icon { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; flex: none; background: var(--color-primary-soft); color: var(--color-primary-text); }
.modal__icon--danger { background: var(--color-danger-soft); color: var(--color-danger-text); }
.modal__icon--warning { background: var(--color-warning-soft); color: var(--color-warning-text); }
.modal__icon--success { background: var(--color-success-soft); color: var(--color-success-text); }
.modal__title { font-size: var(--fs-xl); line-height: var(--lh-xl); }
.modal__close { margin-left: auto; }
.modal__body { padding: var(--space-4) var(--space-5) var(--space-5); display: flex; flex-direction: column; gap: var(--space-4); color: var(--color-text-2); }
.modal__footer { display: flex; justify-content: flex-end; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-top: 1px solid var(--color-border); background: var(--color-surface-2); border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
@media (max-width: 520px) {
  .modal { align-items: flex-end; padding: 0; }
  .modal__dialog { max-width: none; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
  .modal__footer { flex-direction: column-reverse; border-radius: 0; }
  .modal__footer .btn { width: 100%; }
}
@keyframes fade { from { opacity: 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(8px) scale(.99); } }

/* ---------- Drawer (phải) ---------- */
.drawer { position: fixed; inset: 0; z-index: var(--z-drawer); display: none; background: var(--color-overlay); }
.drawer.is-open { display: block; animation: fade .16s var(--ease); }
.drawer__panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(560px, 100vw); display: flex; flex-direction: column; background: var(--color-surface); border-left: 1px solid var(--color-border); box-shadow: var(--shadow-lg); animation: slide-in .22s var(--ease); }
.drawer__panel--wide { width: min(760px, 100vw); }
.drawer__header { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); }
.drawer__title { font-size: var(--fs-lg); }
.drawer__body { flex: 1; overflow-y: auto; padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-5); }
.drawer__footer { display: flex; justify-content: flex-end; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-top: 1px solid var(--color-border); }
@keyframes slide-in { from { transform: translateX(24px); opacity: .4; } }

/* ---------- Toast ---------- */
.toast-region { position: fixed; z-index: var(--z-toast); right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: var(--space-2); pointer-events: none; }
@media (max-width: 640px) { .toast-region { left: 12px; right: 12px; bottom: 76px; } }
.toast { pointer-events: auto; display: flex; align-items: flex-start; gap: var(--space-3); width: 360px; max-width: 100%; padding: 12px 14px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); font-size: var(--fs-sm); animation: rise .2s var(--ease); }
.toast__icon { color: var(--color-success); }
.toast--danger .toast__icon { color: var(--color-danger); }
.toast--info .toast__icon { color: var(--color-info); }
.toast--warning .toast__icon { color: var(--color-warning); }
.toast__title { font-weight: var(--fw-semibold); color: var(--color-text); }
.toast__text { color: var(--color-text-3); }
.toast.is-leaving { opacity: 0; transform: translateY(6px); transition: all .2s var(--ease); }

/* ---------- Skeleton ---------- */
.skeleton { display: block; border-radius: 6px; background: linear-gradient(90deg, var(--skeleton-a) 0%, var(--skeleton-b) 50%, var(--skeleton-a) 100%); background-size: 200% 100%; animation: shimmer 1.3s infinite linear; }
.skeleton--text { height: 12px; width: 100%; }
.skeleton--title { height: 20px; width: 40%; }
.skeleton--circle { border-radius: 50%; }
.skeleton--block { height: 120px; border-radius: var(--radius-lg); }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) { .skeleton { animation: none; } *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }

/* ---------- Empty / Error state ---------- */
.empty { display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--space-3); padding: var(--space-12) var(--space-6); }
.empty__art { width: 120px; height: 96px; margin-bottom: var(--space-2); color: var(--color-primary); }
.empty__title { font-size: var(--fs-lg); font-weight: var(--fw-semibold); }
.empty__text { max-width: 380px; color: var(--color-text-3); }
.empty--error .empty__art { color: var(--color-danger); }

/* ---------- Divider "hoặc" ---------- */
.divider-text { display: flex; align-items: center; gap: var(--space-3); font-size: var(--fs-xs); color: var(--color-text-3); text-transform: uppercase; letter-spacing: .06em; }
.divider-text::before, .divider-text::after { content: ""; flex: 1; height: 1px; background: var(--color-border); }

/* ---------- Page header ---------- */
.page-header { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--space-4); }
.page-header__title { font-size: var(--fs-2xl); line-height: var(--lh-2xl); font-weight: var(--fw-bold); letter-spacing: -0.02em; }
.page-header__desc { color: var(--color-text-3); margin-top: 4px; }
.section-title { font-size: var(--fs-lg); line-height: var(--lh-lg); font-weight: var(--fw-semibold); }

/* ==========================================================================
   Layout: Xác thực (chia đôi)
   ========================================================================== */
.auth { min-height: 100vh; display: grid; grid-template-columns: 1fr; background: var(--color-surface); }
@media (min-width: 1024px) { .auth { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.auth__main { display: flex; flex-direction: column; padding: var(--space-6) var(--space-4); }
@media (min-width: 640px) { .auth__main { padding: var(--space-8) var(--space-10); } }
.auth__top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.auth__body { flex: 1; display: flex; align-items: center; justify-content: center; padding: var(--space-10) 0; }
.auth__form { width: 100%; max-width: 420px; display: flex; flex-direction: column; gap: var(--space-6); }
.auth__head { display: flex; flex-direction: column; gap: var(--space-2); }
.auth__title { font-size: var(--fs-3xl); line-height: var(--lh-3xl); font-weight: var(--fw-bold); letter-spacing: -0.025em; }
.auth__desc { color: var(--color-text-3); font-size: var(--fs-md); }
.auth__switch { text-align: center; color: var(--color-text-3); }
.auth__foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); font-size: var(--fs-xs); color: var(--color-text-3); }
.auth__foot a { color: var(--color-text-3); }
.auth__aside { display: none; position: relative; overflow: hidden; background: var(--brand-700); color: #fff; padding: var(--space-12); }
@media (min-width: 1024px) { .auth__aside { display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-8); } }
.auth__aside::before { content: ""; position: absolute; inset: 0; background: radial-gradient(1200px 600px at 110% -10%, var(--brand-400) 0%, transparent 55%), radial-gradient(800px 500px at -20% 120%, var(--brand-900) 0%, transparent 60%); opacity: .9; }
.auth__aside > * { position: relative; }
.auth__aside-title { color: #fff; font-size: 32px; line-height: 40px; font-weight: var(--fw-bold); letter-spacing: -0.02em; max-width: 480px; }
.auth__aside-text { color: rgba(255,255,255,.78); max-width: 440px; font-size: var(--fs-lg); line-height: var(--lh-lg); }
.auth__benefits { display: flex; flex-direction: column; gap: var(--space-4); }
.auth__benefit { display: flex; gap: var(--space-3); align-items: flex-start; color: rgba(255,255,255,.9); }
.auth__benefit-icon { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; flex: none; background: rgba(255,255,255,.12); box-shadow: inset 0 0 0 1px rgba(255,255,255,.16); }
.auth__benefit strong { display: block; color: #fff; font-weight: var(--fw-semibold); }
.auth__benefit span { font-size: var(--fs-sm); color: rgba(255,255,255,.7); }
.auth__preview { width: 100%; max-width: 520px; }

/* Logo */
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--color-text); font-weight: var(--fw-bold); font-size: var(--fs-lg); letter-spacing: -0.02em; text-decoration: none !important; }
.logo__mark { width: 32px; height: 32px; flex: none; object-fit: contain; }
.logo__tld { color: var(--color-text-3); font-weight: var(--fw-medium); }
.logo--inverse { color: #fff; }
.logo--inverse .logo__tld { color: rgba(255,255,255,.6); }

/* Status hero (thành công / lỗi trong auth, checkout) */
.status-hero { display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--space-3); }
.status-hero__icon { width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center; background: var(--color-success-soft); color: var(--color-success); }
.status-hero__icon .icon { width: 36px; height: 36px; stroke-width: 2.4; }
.status-hero__icon--danger { background: var(--color-danger-soft); color: var(--color-danger); }
.status-hero__icon--warning { background: var(--color-warning-soft); color: var(--color-warning-text); }
.status-hero__icon--brand { background: var(--color-primary-soft); color: var(--color-primary); }
.status-hero__icon--muted { background: var(--color-muted-soft); color: var(--color-text-3); }
.status-hero__icon.is-pop { animation: popin .4s var(--ease); }
@keyframes popin { 0% { transform: scale(.6); opacity: 0; } 70% { transform: scale(1.06); } }

/* Countdown chip */
.countdown { display: inline-flex; align-items: center; gap: 6px; font-variant-numeric: tabular-nums; font-weight: var(--fw-semibold); }

/* ==========================================================================
   Layout: App (Khách hàng / Quản trị) — sidebar + topbar
   ========================================================================== */
.app { min-height: 100vh; display: grid; grid-template-columns: 1fr; }
@media (min-width: 1024px) {
  .app { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
  .app.is-collapsed { grid-template-columns: var(--sidebar-w-collapsed) minmax(0, 1fr); }
}
.sidebar { position: fixed; inset: 0 auto 0 0; z-index: var(--z-drawer); width: 280px; display: flex; flex-direction: column; background: var(--color-surface); border-right: 1px solid var(--color-border); transform: translateX(-100%); transition: transform .22s var(--ease); }
.app.is-nav-open .sidebar { transform: none; box-shadow: var(--shadow-lg); }
.sidebar-backdrop { position: fixed; inset: 0; z-index: calc(var(--z-drawer) - 1); background: var(--color-overlay); display: none; }
.app.is-nav-open .sidebar-backdrop { display: block; }
@media (min-width: 1024px) {
  .sidebar { position: sticky; top: 0; height: 100vh; width: auto; transform: none; }
  .sidebar-backdrop { display: none !important; }
}
.sidebar__brand { height: var(--topbar-h); display: flex; align-items: center; justify-content: space-between; padding: 0 var(--space-4) 0 var(--space-5); border-bottom: 1px solid var(--color-border); }
.sidebar__nav { flex: 1; overflow-y: auto; padding: var(--space-4) var(--space-3); display: flex; flex-direction: column; gap: 2px; }
.sidebar__group { margin-top: var(--space-4); padding: 0 var(--space-3) var(--space-2); font-size: 11px; font-weight: var(--fw-semibold); color: var(--color-text-3); text-transform: uppercase; letter-spacing: .06em; }
.nav-link { position: relative; display: flex; align-items: center; gap: 12px; height: 40px; padding: 0 var(--space-3); border-radius: var(--radius-md); color: var(--color-text-2); font-weight: var(--fw-medium); text-decoration: none !important; white-space: nowrap; }
.nav-link .icon { color: var(--color-text-3); }
.nav-link:hover { background: var(--color-surface-hover); color: var(--color-text); }
.nav-link[aria-current="page"] { background: var(--color-primary-soft); color: var(--color-primary-text); }
.nav-link[aria-current="page"] .icon { color: var(--color-primary-text); }
.nav-link__count { margin-left: auto; min-width: 20px; height: 20px; padding: 0 6px; border-radius: var(--radius-full); display: grid; place-items: center; background: var(--color-warning-soft); color: var(--color-warning-text); font-size: 11px; font-weight: var(--fw-bold); }
.sidebar__footer { padding: var(--space-3); border-top: 1px solid var(--color-border); display: flex; flex-direction: column; gap: var(--space-2); }
.sidebar__promo { padding: var(--space-4); border-radius: var(--radius-md); background: var(--color-primary-soft); display: flex; flex-direction: column; gap: var(--space-2); font-size: var(--fs-sm); }
.sidebar .sidebar__collapse { display: none; }
@media (min-width: 1024px) {
  .sidebar .sidebar__collapse { display: inline-flex; }
  .sidebar .sidebar__close { display: none; }
  .app { background: linear-gradient(to right, var(--color-surface) calc(var(--sidebar-w) - 1px), var(--color-border) calc(var(--sidebar-w) - 1px) var(--sidebar-w), transparent var(--sidebar-w)); }
  .app.is-collapsed { background: linear-gradient(to right, var(--color-surface) calc(var(--sidebar-w-collapsed) - 1px), var(--color-border) calc(var(--sidebar-w-collapsed) - 1px) var(--sidebar-w-collapsed), transparent var(--sidebar-w-collapsed)); }
  .app.is-collapsed .nav-link__text, .app.is-collapsed .nav-link__count, .app.is-collapsed .sidebar__group, .app.is-collapsed .sidebar__promo, .app.is-collapsed .logo__text { display: none; }
  .app.is-collapsed .nav-link { justify-content: center; padding: 0; }
  .app.is-collapsed .sidebar__brand { padding: 0; justify-content: center; flex-direction: column; gap: 0; }
  .app.is-collapsed .sidebar .sidebar__collapse { display: none; }
  .app.is-collapsed .sidebar__expand { display: inline-flex !important; }
}
.sidebar__expand { display: none !important; }

.app__main { display: flex; flex-direction: column; min-width: 0; min-height: 100vh; }
.topbar { position: sticky; top: 0; z-index: var(--z-sticky); height: var(--topbar-h); display: flex; align-items: center; gap: var(--space-3); padding: 0 var(--space-4); background: color-mix(in srgb, var(--color-bg) 82%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--color-border); }
@media (min-width: 640px) { .topbar { padding: 0 var(--space-6); } }
.topbar .topbar__menu { display: inline-grid; }
@media (min-width: 1024px) { .topbar .topbar__menu { display: none; } }
.topbar__search { flex: 1; max-width: 420px; }
.topbar__search .input { background: var(--color-surface); }
.topbar__kbd { position: absolute; right: 10px; font-size: 11px; color: var(--color-text-3); border: 1px solid var(--color-border); border-radius: 5px; padding: 1px 6px; font-family: var(--font-mono); }
.topbar__actions { margin-left: auto; display: flex; align-items: center; gap: var(--space-2); }
.icon-btn { position: relative; width: 38px; height: 38px; display: inline-grid; place-items: center; border-radius: var(--radius-md); border: 0; background: transparent; color: var(--color-text-2); }
.icon-btn:hover { background: var(--color-surface-hover); color: var(--color-text); }
.icon-btn:focus-visible { outline: none; box-shadow: var(--ring); }
.icon-btn__badge { position: absolute; top: 3px; right: 3px; min-width: 14px; height: 14px; padding: 0 3px; line-height: 14px; border-radius: var(--radius-full); background: var(--color-danger); color: #fff; font-size: 10px; font-weight: var(--fw-bold); display: grid; place-items: center; border: 2px solid var(--color-bg); box-sizing: content-box; }
.user-chip { display: inline-flex; align-items: center; gap: 10px; padding: 3px 8px 3px 3px; border: 0; border-radius: var(--radius-full); background: transparent; color: var(--color-text); }
.user-chip:hover { background: var(--color-surface-hover); }
.user-chip__name { font-size: var(--fs-sm); font-weight: var(--fw-semibold); }
@media (max-width: 1100px) { .topbar__kbd { display: none; } }
@media (max-width: 767px) { .user-chip__name, .user-chip > .icon, .topbar__buy-text, .topbar__kbd { display: none; } .topbar__search { max-width: none; } }
@media (max-width: 479px) { .topbar__search { display: none; } }
.app__content { flex: 1; width: 100%; max-width: var(--content-max); margin: 0 auto; padding: var(--space-6) var(--space-4) calc(var(--space-16) + 24px); display: flex; flex-direction: column; gap: var(--space-6); }
@media (min-width: 640px) { .app__content { padding: var(--space-8) var(--space-6) var(--space-16); } }
@media (min-width: 1024px) { .app__content { padding: var(--space-8) var(--space-8) var(--space-16); } }

/* Thanh điều hướng dưới (mobile) */
.bottom-nav { position: fixed; z-index: var(--z-sticky); left: 0; right: 0; bottom: 0; height: 64px; display: grid; grid-template-columns: repeat(5, 1fr); background: var(--color-surface); border-top: 1px solid var(--color-border); padding-bottom: env(safe-area-inset-bottom); }
@media (min-width: 1024px) { .bottom-nav { display: none; } }
.bottom-nav__item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; font-size: 11px; font-weight: var(--fw-medium); color: var(--color-text-3); text-decoration: none !important; }
.bottom-nav__item[aria-current="page"] { color: var(--color-primary-text); }

/* ==========================================================================
   Demo state switcher (CHỈ DÙNG KHI XEM MẪU — xoá khi tích hợp)
   ========================================================================== */
.demo-bar { position: fixed; z-index: 70; left: 50%; bottom: 16px; transform: translateX(-50%); display: flex; align-items: center; gap: 4px; padding: 4px 4px 4px 12px; border-radius: var(--radius-full); background: #111827; color: #e5e7eb; box-shadow: var(--shadow-lg); font-size: 12px; max-width: calc(100vw - 24px); overflow-x: auto; }
.demo-bar__label { color: #9ca3af; white-space: nowrap; margin-right: 4px; }
.demo-bar button { height: 28px; padding: 0 10px; border: 0; border-radius: var(--radius-full); background: transparent; color: #d1d5db; white-space: nowrap; font-size: 12px; }
.demo-bar button[aria-pressed="true"] { background: #fff; color: #111827; font-weight: 600; }
.demo-bar button:hover:not([aria-pressed="true"]) { background: rgba(255,255,255,.1); }
@media (max-width: 1023px) { .app .demo-bar { bottom: 76px; } }
@media print { .demo-bar { display: none; } }

/* ---------- Service card (thẻ dịch vụ) ---------- */
.service-card { display: flex; flex-direction: column; gap: var(--space-4); padding: var(--space-5); }
.service-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); }
.service-card__title { display: flex; flex-direction: column; gap: 2px; margin-top: calc(-1 * var(--space-1)); }
.service-card__name { font-size: var(--fs-lg); line-height: var(--lh-lg); font-weight: var(--fw-semibold); color: var(--color-text); }
.service-card__plan { font-size: var(--fs-sm); color: var(--color-text-3); }
.service-card__meta { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); font-size: var(--fs-sm); color: var(--color-text-3); }
.service-card__meta > span { display: inline-flex; align-items: center; gap: 6px; }
.service-card__meta strong { color: var(--color-text); font-weight: var(--fw-semibold); font-variant-numeric: tabular-nums; }
.service-card__actions { display: flex; gap: var(--space-2); margin-top: auto; }
.service-card__actions .btn { flex: 1; }
.service-card.is-expired { background: var(--color-surface-2); }
.service-card.is-expired .tool-icon { filter: grayscale(1); opacity: .6; }
.service-card--add { align-items: center; justify-content: center; text-align: center; min-height: 220px; color: var(--color-text-3); text-decoration: none !important; }
.service-card--add:hover { border-color: var(--color-primary); color: var(--color-primary-text); background: var(--color-primary-soft); }
.service-card--add .kpi__icon { width: 44px; height: 44px; border-radius: 50%; }

/* ==========================================================================
   ĐỢT 2 — Public site, accordion, dropzone, thread, rating, lightbox
   ========================================================================== */

/* ---------- Public layout ---------- */
.site { min-height: 100vh; display: flex; flex-direction: column; background: var(--color-surface); }
.site__main { flex: 1; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-4); }
@media (min-width: 640px) { .container { padding: 0 var(--space-6); } }
.container--narrow { max-width: 880px; }
.section { padding: var(--space-16) 0; }
.section--tint { background: var(--color-bg); }
.section--tight { padding: var(--space-10) 0; }
@media (min-width: 1024px) { .section { padding: 96px 0; } }
.section__head { display: flex; flex-direction: column; gap: var(--space-3); max-width: 640px; margin-bottom: var(--space-10); }
.section__head--center { margin-left: auto; margin-right: auto; text-align: center; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: var(--fs-sm); font-weight: var(--fw-semibold); color: var(--color-primary-text); }
.section__title { font-size: var(--fs-3xl); line-height: var(--lh-3xl); font-weight: var(--fw-bold); letter-spacing: -0.025em; }
@media (min-width: 1024px) { .section__title { font-size: var(--fs-4xl); line-height: var(--lh-4xl); } }
.section__desc { font-size: var(--fs-lg); line-height: var(--lh-lg); color: var(--color-text-3); }

.site-header { position: sticky; top: 0; z-index: var(--z-sticky); background: color-mix(in srgb, var(--color-surface) 86%, transparent); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--color-border); }
.site-header__bar { height: 68px; display: flex; align-items: center; gap: var(--space-6); }
.site-nav { display: none; align-items: center; gap: 2px; }
.site-nav__link { padding: 8px 12px; border-radius: var(--radius-sm); color: var(--color-text-2); font-weight: var(--fw-medium); text-decoration: none !important; }
.site-nav__link:hover { background: var(--color-surface-hover); color: var(--color-text); }
.site-nav__link[aria-current="page"] { color: var(--color-primary-text); }
.site-header__actions { margin-left: auto; display: flex; align-items: center; gap: var(--space-2); }
.site-header__login { display: none; }
.site-header__toggle { display: inline-grid; }
.site-mobile { display: none; padding: var(--space-3) 0 var(--space-5); border-top: 1px solid var(--color-border); }
.site-header.is-open .site-mobile { display: flex; flex-direction: column; gap: 2px; }
.site-mobile .site-nav__link { padding: 12px; }
@media (min-width: 960px) {
  .site-nav { display: flex; }
  .site-header__login { display: inline-flex; }
  .site-header .site-header__toggle { display: none; }
  .site-header.is-open .site-mobile { display: none; }
}

.site-footer { background: var(--color-bg); border-top: 1px solid var(--color-border); padding: var(--space-12) 0 var(--space-8); font-size: var(--fs-sm); }
.site-footer__grid { display: grid; gap: var(--space-8); grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 900px) { .site-footer__grid { grid-template-columns: 1.6fr repeat(3, 1fr); } }
.site-footer__brand { grid-column: 1 / -1; display: flex; flex-direction: column; gap: var(--space-3); max-width: 340px; color: var(--color-text-3); }
@media (min-width: 900px) { .site-footer__brand { grid-column: auto; } }
.site-footer__title { font-size: var(--fs-sm); font-weight: var(--fw-semibold); color: var(--color-text); margin-bottom: var(--space-3); }
.site-footer__links { display: flex; flex-direction: column; gap: 10px; }
.site-footer__links a { color: var(--color-text-3); }
.site-footer__links a:hover { color: var(--color-text); }
.site-footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); margin-top: var(--space-10); padding-top: var(--space-6); border-top: 1px solid var(--color-border); color: var(--color-text-3); font-size: var(--fs-xs); }

/* Minimal layout (trang lỗi / bảo trì) */
.minimal { min-height: 100vh; display: flex; flex-direction: column; background: var(--color-bg); }
.minimal__top { padding: var(--space-6) var(--space-4); display: flex; justify-content: center; }
.minimal__body { flex: 1; display: flex; align-items: center; justify-content: center; padding: var(--space-8) var(--space-4) var(--space-16); }
.minimal__card { width: 100%; max-width: 520px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: var(--space-4); }
.error-code { font-size: 96px; line-height: 1; font-weight: var(--fw-bold); letter-spacing: -0.04em; color: var(--color-primary); font-variant-numeric: tabular-nums; }

/* ---------- Accordion (details/summary, không cần JS) ---------- */
.accordion { display: flex; flex-direction: column; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); overflow: hidden; }
.accordion__item + .accordion__item { border-top: 1px solid var(--color-border); }
.accordion__q { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-4) var(--space-5); cursor: pointer; font-weight: var(--fw-semibold); color: var(--color-text); }
.accordion__q::-webkit-details-marker { display: none; }
.accordion__q::after { content: ""; flex: none; width: 10px; height: 10px; border-right: 2px solid var(--color-text-3); border-bottom: 2px solid var(--color-text-3); transform: rotate(45deg) translateY(-3px); transition: transform var(--dur) var(--ease); }
.accordion__item[open] > .accordion__q::after { transform: rotate(-135deg) translateY(-2px); }
.accordion__q:hover { background: var(--color-surface-hover); }
.accordion__q:focus-visible { outline: none; box-shadow: inset var(--ring); }
.accordion__a { padding: 0 var(--space-5) var(--space-5); color: var(--color-text-2); display: flex; flex-direction: column; gap: var(--space-3); }

/* ---------- Dropzone (đính kèm) ---------- */
.dropzone { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-2); padding: var(--space-8) var(--space-4); border: 1.5px dashed var(--color-border-strong); border-radius: var(--radius-lg); background: var(--color-surface-2); text-align: center; color: var(--color-text-3); font-size: var(--fs-sm); cursor: pointer; transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease); }
.dropzone:hover, .dropzone.is-dragover { border-color: var(--color-primary); background: var(--color-primary-soft); }
.dropzone:focus-within { box-shadow: var(--ring); }
.dropzone input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.dropzone__icon { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--color-surface); color: var(--color-primary-text); box-shadow: var(--shadow-sm); }
.dropzone__title { color: var(--color-text); font-weight: var(--fw-semibold); font-size: var(--fs-md); }
.dropzone.is-invalid { border-color: var(--color-danger); background: var(--color-danger-soft); }
.file-list { display: flex; flex-direction: column; gap: var(--space-2); }
.file-item { display: flex; align-items: center; gap: var(--space-3); padding: 8px 8px 8px 12px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); font-size: var(--fs-sm); }
.file-item__thumb { width: 36px; height: 36px; border-radius: 8px; flex: none; display: grid; place-items: center; background: var(--color-primary-soft); color: var(--color-primary-text); overflow: hidden; }
.file-item__thumb img { width: 100%; height: 100%; object-fit: cover; }
.file-item__name { font-weight: var(--fw-medium); color: var(--color-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item__meta { font-size: var(--fs-xs); color: var(--color-text-3); }
.file-item.is-error { border-color: var(--danger-200); background: var(--color-danger-soft); }

/* ---------- Conversation thread (ticket) ---------- */
.thread { display: flex; flex-direction: column; gap: var(--space-5); }
.message { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: var(--space-3); }
.message__card { border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); overflow: hidden; }
.message__head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px var(--space-3); padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); background: var(--color-surface-2); }
.message__name { font-weight: var(--fw-semibold); color: var(--color-text); }
.message__role { font-size: var(--fs-xs); color: var(--color-text-3); }
.message__time { margin-left: auto; font-size: var(--fs-xs); color: var(--color-text-3); font-variant-numeric: tabular-nums; }
.message__body { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); color: var(--color-text-2); }
.message__body ol, .message__body ul { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
.message__body code { font-family: var(--font-mono); font-size: .92em; padding: 1px 6px; border-radius: 5px; background: var(--color-surface-2); border: 1px solid var(--color-border); }
.message--staff .message__card { border-color: var(--brand-200); }
.message--staff .message__head { background: var(--color-primary-soft); }
[data-theme="dark"] .message--staff .message__card { border-color: var(--color-primary-soft-2); }
.message__foot { padding: var(--space-3) var(--space-4); border-top: 1px solid var(--color-border); font-size: var(--fs-xs); color: var(--color-text-3); display: flex; flex-wrap: wrap; gap: var(--space-4); }
.attachments { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.attachment { width: 120px; border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; background: var(--color-surface-2); padding: 0; text-align: left; font-size: var(--fs-xs); color: var(--color-text-3); }
.attachment__img { display: block; width: 100%; height: 76px; object-fit: cover; background: var(--color-surface-hover); }
.attachment__name { display: block; padding: 6px 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attachment:hover { border-color: var(--color-primary); }
.thread__event { display: flex; align-items: center; gap: var(--space-3); font-size: var(--fs-xs); color: var(--color-text-3); }
.thread__event::before, .thread__event::after { content: ""; flex: 1; height: 1px; background: var(--color-border); }

/* ---------- Rating (5 sao, radio) ---------- */
.rating { display: inline-flex; flex-direction: row-reverse; justify-content: flex-end; gap: 4px; border: 0; padding: 0; margin: 0; }
.rating input { position: absolute; opacity: 0; pointer-events: none; }
.rating label { cursor: pointer; color: var(--color-border-strong); transition: color var(--dur) var(--ease), transform var(--dur) var(--ease); }
.rating label svg { width: 32px; height: 32px; fill: currentColor; stroke: currentColor; }
.rating label:hover, .rating label:hover ~ label, .rating input:checked ~ label { color: var(--color-warning); }
.rating label:hover { transform: scale(1.08); }
.rating input:focus-visible + label { outline: 2px solid var(--color-focus); outline-offset: 2px; border-radius: 4px; }

/* ---------- Lightbox (modal ảnh) ---------- */
.modal--lightbox .modal__dialog { max-width: 960px; background: transparent; border: 0; box-shadow: none; }
.lightbox__img { width: 100%; max-height: 80vh; object-fit: contain; border-radius: var(--radius-md); background: #0b0d12; }
.lightbox__bar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-3) 0; color: #fff; font-size: var(--fs-sm); }
.lightbox__bar .btn--ghost { color: #fff; }
.lightbox__bar .btn--ghost:hover { background: rgba(255,255,255,.12); color: #fff; }

/* ---------- Prose (pháp lý, hướng dẫn) ---------- */
.prose { color: var(--color-text-2); font-size: var(--fs-lg); line-height: 28px; max-width: 72ch; }
.prose > * + * { margin-top: var(--space-4); }
.prose h2 { font-size: var(--fs-2xl); line-height: var(--lh-2xl); margin-top: var(--space-12); scroll-margin-top: 96px; }
.prose h3 { font-size: var(--fs-xl); line-height: var(--lh-xl); margin-top: var(--space-8); scroll-margin-top: 96px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li + li { margin-top: 6px; }
.prose strong { color: var(--color-text); }
.prose a { text-decoration: underline; text-underline-offset: 2px; }
.prose code { font-family: var(--font-mono); font-size: .9em; padding: 1px 6px; border-radius: 5px; background: var(--color-surface-2); border: 1px solid var(--color-border); }
.prose figure img { border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
.prose figcaption { font-size: var(--fs-sm); color: var(--color-text-3); margin-top: var(--space-2); }

/* TOC dính bên trái */
.doc-layout { display: grid; gap: var(--space-10); grid-template-columns: minmax(0, 1fr); }
@media (min-width: 1024px) { .doc-layout { grid-template-columns: 260px minmax(0, 1fr); gap: var(--space-16); } }
.toc { display: flex; flex-direction: column; gap: 2px; font-size: var(--fs-sm); }
@media (min-width: 1024px) { .toc { position: sticky; top: 96px; align-self: start; max-height: calc(100vh - 120px); overflow-y: auto; } }
.toc__title { font-size: var(--fs-xs); font-weight: var(--fw-semibold); color: var(--color-text-3); text-transform: uppercase; letter-spacing: .06em; padding: 0 12px var(--space-2); }
.toc__link { display: block; padding: 6px 12px; border-left: 2px solid var(--color-border); color: var(--color-text-3); text-decoration: none !important; }
.toc__link:hover { color: var(--color-text); border-left-color: var(--color-border-strong); }
.toc__link[aria-current="true"], .toc__link[aria-current="page"] { color: var(--color-primary-text); border-left-color: var(--color-primary); font-weight: var(--fw-medium); }
.toc__link--sub { padding-left: 24px; }

/* ==========================================================================
   ĐỢT 3 — Khu Quản trị
   ========================================================================== */
/* Sidebar tối cố định (cả khi theme sáng) */
.sidebar--dark {
  --color-surface: #11131c; --color-surface-hover: #1b1e2b; --color-border: #232737;
  --color-text: #f1f2f7; --color-text-2: #c4c8d6; --color-text-3: #8a90a6;
  --color-primary-soft: rgba(140, 127, 248, .16); --color-primary-text: #c4bcff;
  background: #11131c; color-scheme: dark; border-right-color: #232737;
}
.sidebar--dark .icon-btn { color: #c4c8d6; }
.sidebar--dark .icon-btn:hover { background: #1b1e2b; color: #fff; }
@media (min-width: 1024px) {
  .app--admin { background: linear-gradient(to right, #11131c var(--sidebar-w), transparent var(--sidebar-w)); }
  .app--admin.is-collapsed { background: linear-gradient(to right, #11131c var(--sidebar-w-collapsed), transparent var(--sidebar-w-collapsed)); }
}
.sidebar--dark .sidebar__group { margin-top: var(--space-5); }
.admin-tag { display: inline-block; margin-left: 4px; padding: 1px 6px; border-radius: 5px; font-size: 10px; font-weight: var(--fw-bold); letter-spacing: .04em; text-transform: uppercase; background: rgba(140,127,248,.22); color: #d4ceff; vertical-align: 2px; }
.admin-env { display: flex; align-items: center; gap: 10px; padding: 8px 12px; font-size: var(--fs-xs); color: var(--color-text-3); }
.nav-link__count--danger { background: rgba(220, 38, 38, .2); color: #fca5a5; }
.avatar--admin { background: linear-gradient(135deg, #0ea5e9, #4338ca); }
.app__content--wide { max-width: 1440px; }
.admin-tool-filter { width: auto; min-width: 150px; }
.admin-session { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 10px; border-radius: var(--radius-full); background: var(--color-surface); border: 1px solid var(--color-border); font-size: var(--fs-xs); color: var(--color-text-3); white-space: nowrap; }
.admin-session strong { color: var(--color-text); }
@media (max-width: 1279px) { .admin-session__text { display: none; } }
@media (max-width: 767px) { .admin-tool-filter, .admin-session { display: none; } }
.user-chip__name .badge { margin-left: 4px; vertical-align: 1px; }
/* Ẩn theo vai trò: thêm data-role-hide="support ctv" vào phần tử; .app[data-role] quyết định */
.app[data-role="support"] [data-role-hide~="support"], .app[data-role="ctv"] [data-role-hide~="ctv"], .app[data-role="admin"] [data-role-hide~="admin"] { display: none !important; }

/* Bảng dày hơn cho admin */
.table--compact td { padding-top: 10px; padding-bottom: 10px; }
.table--compact th { padding-top: 8px; padding-bottom: 8px; }
.row-actions { display: inline-flex; gap: 4px; justify-content: flex-end; }

/* Filter bar & chips */
.filter-chips { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 6px 0 10px; border-radius: var(--radius-full); background: var(--color-primary-soft); color: var(--color-primary-text); font-size: var(--fs-xs); font-weight: var(--fw-medium); }
.chip button { display: grid; place-items: center; width: 18px; height: 18px; border: 0; border-radius: 50%; background: transparent; color: inherit; }
.chip button:hover { background: var(--color-primary-soft-2); }

/* JSON diff (nhật ký) */
.code-block { margin: 0; padding: var(--space-4); border-radius: var(--radius-md); background: #0f111a; color: #e2e5ef; font-family: var(--font-mono); font-size: 12.5px; line-height: 20px; overflow-x: auto; white-space: pre; }
.code-block .k { color: #a5b4fc; } .code-block .s { color: #86efac; } .code-block .n { color: #fcd34d; }
.code-block .del { background: rgba(220,38,38,.18); color: #fca5a5; display: inline-block; width: 100%; }
.code-block .add { background: rgba(22,163,74,.18); color: #86efac; display: inline-block; width: 100%; }

/* Ma trận quyền */
.perm-matrix th, .perm-matrix td { text-align: center; }
.perm-matrix th:first-child, .perm-matrix td:first-child { text-align: left; }
.perm-matrix tr.perm-matrix__group td { background: var(--color-surface-2); font-size: var(--fs-xs); font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: .04em; color: var(--color-text-3); }

/* Legend biểu đồ */
.legend { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); font-size: var(--fs-xs); color: var(--color-text-3); }
.legend__item { display: inline-flex; align-items: center; gap: 6px; }
.legend__swatch { width: 10px; height: 10px; border-radius: 3px; flex: none; }
:root { --chart-1: #5b4cf5; --chart-2: #f97316; --chart-3: #0ea5e9; --chart-4: #16a34a; --chart-grid: var(--color-border); }
[data-theme="dark"] { --chart-1: #8c7ff8; --chart-2: #fb923c; --chart-3: #38bdf8; --chart-4: #4ade80; }
.sidebar--dark .logo__text { white-space: nowrap; }
.sidebar--dark .nav-link__count { background: rgba(245, 158, 11, .2); color: #fcd34d; }
.sidebar--dark .nav-link__count--danger { background: rgba(220, 38, 38, .24); color: #fca5a5; }