/* ─────────────────────────────────────────────────────────────────────────
   Tư vấn son — design tokens + layout
   Style: Minimalism / Swiss (clean, dày thông tin, tương phản cao)
   Font : Rubik (tiêu đề) + Nunito Sans (nội dung)
   ───────────────────────────────────────────────────────────────────────── */

:root {
  --color-primary: #be185d;
  --color-primary-hover: #9d174d;
  --color-on-primary: #ffffff;
  --color-primary-soft: #fdf2f7;
  --color-accent: #7c3aed;

  --color-background: #fbf9fa;
  --color-foreground: #2a1a22;
  --color-card: #ffffff;
  --color-muted: #f5f0f2;
  --color-muted-foreground: #695a62;
  --color-border: #ebe1e5;
  --color-border-strong: #d9cad1;
  --color-ring: #be185d;

  --color-good: #15803d;
  --color-good-soft: #eefaf1;
  --color-fair: #a16207;
  --color-fair-soft: #fdf7e7;
  --color-weak: #9f1239;
  --color-weak-soft: #fdf0f3;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(42, 26, 34, .06), 0 1px 3px rgba(42, 26, 34, .04);
  --shadow-md: 0 4px 16px rgba(42, 26, 34, .08);
  --shadow-lg: 0 18px 48px rgba(42, 26, 34, .18);

  /* Be Vietnam Pro tự host — đủ dấu tiếng Việt ở mọi độ đậm */
  --font-head: "Be Vietnam Pro", "Segoe UI", system-ui, sans-serif;
  --font-body: "Be Vietnam Pro", "Segoe UI", system-ui, sans-serif;

  --t-fast: 150ms cubic-bezier(.4, 0, .2, 1);
  --t-base: 220ms cubic-bezier(.4, 0, .2, 1);
}

:root[data-theme="dark"] {
  --color-primary: #f472b6;
  --color-primary-hover: #f9a8d4;
  --color-on-primary: #2b0b1a;
  --color-primary-soft: #2c1b25;

  --color-background: #161214;
  --color-foreground: #f7eef2;
  --color-card: #211b20;
  --color-muted: #2a2229;
  --color-muted-foreground: #bcaab4;
  --color-border: #3a2f37;
  --color-border-strong: #4d3f48;
  --color-ring: #f472b6;

  --color-good: #6ee7a0;
  --color-good-soft: #17301f;
  --color-fair: #fbbf5c;
  --color-fair-soft: #322616;
  --color-weak: #fda4af;
  --color-weak-soft: #351a21;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, .45);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, .6);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--color-background);
  color: var(--color-foreground);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body.is-embed { background: transparent; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.25;
  margin: 0;
}

button, input, select { font: inherit; color: inherit; }

a { color: var(--color-primary); }

:focus-visible {
  outline: 3px solid var(--color-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ───────────────────────────── App shell ──────────────────────────────── */

.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-4) var(--space-6);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--color-background) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  margin: 0 calc(var(--space-4) * -1) var(--space-4);
  padding: var(--space-3) var(--space-4);
}

.topbar__row {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.brandmark {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-right: auto;
  min-width: 0;
}

.brandmark__dot {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(140deg, #f472b6, var(--color-primary) 60%, #7c3aed);
  flex: none;
}

.brandmark h1 {
  font-size: 17px;
  letter-spacing: -.01em;
  white-space: nowrap;
}

.brandmark small {
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  color: var(--color-muted-foreground);
}

/* ───────────────────────────── Controls ───────────────────────────────── */

.search {
  position: relative;
  flex: 1 1 260px;
  max-width: 420px;
}

.search svg {
  position: absolute;
  left: 10px; top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted-foreground);
  pointer-events: none;
}

.search input {
  width: 100%;
  height: 44px;
  padding: 0 40px 0 36px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  background: var(--color-card);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.search input:hover { border-color: var(--color-primary); }

.search input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 22%, transparent);
  outline: none;
}

.search kbd {
  position: absolute;
  right: 10px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--color-muted-foreground);
  border: 1px solid var(--color-border-strong);
  border-radius: 6px;
  padding: 1px 6px;
  background: var(--color-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  background: var(--color-card);
  color: var(--color-foreground);
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}

.btn:hover { background: var(--color-muted); border-color: var(--color-primary); }
.btn:active { transform: scale(.98); }

.btn--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-on-primary);
}

.btn--primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }

.btn--sm { min-height: 36px; font-size: 13px; padding: 0 var(--space-3); }
/* Nút chỉ có icon luôn giữ vùng chạm 44×44 kể cả khi ở cỡ nhỏ */
.btn--icon { padding: 0; width: 44px; min-height: 44px; flex: none; }
.btn--ghost { background: transparent; border-color: transparent; }
.btn--ghost:hover { background: var(--color-muted); border-color: var(--color-border); }

.btn[disabled] { opacity: .55; cursor: not-allowed; }

/* ───────────────────────────── Layout ─────────────────────────────────── */

.layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
}

.panel {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.sidebar {
  position: sticky;
  top: 84px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding: var(--space-4);
  display: grid;
  gap: var(--space-4);
}

.sidebar__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.sidebar__head h2 { font-size: 15px; margin-right: auto; }

/* Tay nắm + nút đóng + nút xác nhận: chỉ dùng cho bottom sheet trên mobile */
.sheet-grip,
.sheet-close,
.sheet-cta { display: none; }

.fieldset { border: 0; margin: 0; padding: 0; }

.fieldset + .fieldset { border-top: 1px dashed var(--color-border); padding-top: var(--space-4); }

.fieldset legend {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  padding: 0;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: 6px;
}

.fieldset legend span {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  color: var(--color-muted-foreground);
}

.chips { display: flex; flex-wrap: wrap; gap: var(--space-2); }

.chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  background: var(--color-card);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--t-fast);
}

.chip:hover { border-color: var(--color-primary); background: var(--color-primary-soft); }

.chip input { position: absolute; opacity: 0; width: 0; height: 0; }

.chip:has(input:checked) {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 600;
}

.chip:has(input:focus-visible) {
  outline: 3px solid var(--color-ring);
  outline-offset: 2px;
}

.chip__swatch {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, .18);
  flex: none;
}

.select {
  width: 100%;
  min-height: 42px;
  padding: 0 var(--space-3);
  border-radius: var(--radius);
  border: 1px solid var(--color-border-strong);
  background: var(--color-card);
  cursor: pointer;
}

.select:hover { border-color: var(--color-primary); }

/* ───────────────────────────── Results ───────────────────────────────── */

.results__head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-3);
}

.results__count { font-family: var(--font-head); font-size: 18px; font-weight: 600; }
.results__hint { color: var(--color-muted-foreground); font-size: 14px; }

.active-filters { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-3); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-muted);
  border: 1px solid var(--color-border);
  font-size: 13px;
}

.tag button {
  border: 0;
  background: transparent;
  cursor: pointer;
  line-height: 1;
  border-radius: 50%;
  width: 22px; height: 22px;
  display: grid;
  place-items: center;
  color: var(--color-muted-foreground);
}

.tag button:hover { background: var(--color-border-strong); color: var(--color-foreground); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-3);
}

.card {
  position: relative;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-3);
  text-align: left;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.card__swatch {
  width: 56px; height: 56px;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, .12);
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  color: rgba(255, 255, 255, .92);
  text-shadow: 0 1px 2px rgba(0, 0, 0, .35);
  background: var(--color-muted);
  flex: none;
}

.card__swatch--empty { color: var(--color-muted-foreground); text-shadow: none; }

/* Ảnh môi thật (trích từ bảng màu hãng gửi) thay cho ô màu phẳng */
.card__swatch--photo { padding: 0; overflow: hidden; }
.card__swatch--photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

.card__top { display: flex; align-items: flex-start; gap: var(--space-2); }

.card__code {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -.01em;
}

.card__name { color: var(--color-muted-foreground); font-size: 14px; }

.card__model {
  font-size: 12px;
  color: var(--color-muted-foreground);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card__note {
  font-size: 13px;
  color: var(--color-muted-foreground);
  margin-top: var(--space-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__reasons { display: flex; flex-wrap: wrap; gap: 4px; margin-top: var(--space-2); }

.score {
  margin-left: auto;
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid transparent;
  white-space: nowrap;
}

.score--good { background: var(--color-good-soft); color: var(--color-good); border-color: color-mix(in srgb, var(--color-good) 35%, transparent); }
.score--fair { background: var(--color-fair-soft); color: var(--color-fair); border-color: color-mix(in srgb, var(--color-fair) 35%, transparent); }
.score--weak { background: var(--color-weak-soft); color: var(--color-weak); border-color: color-mix(in srgb, var(--color-weak) 35%, transparent); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: 11.5px;
  font-weight: 600;
  background: var(--color-muted);
  color: var(--color-muted-foreground);
  border: 1px solid var(--color-border);
}

.pill--match { background: var(--color-good-soft); color: var(--color-good); border-color: color-mix(in srgb, var(--color-good) 30%, transparent); }
.pill--near  { background: var(--color-fair-soft); color: var(--color-fair); border-color: color-mix(in srgb, var(--color-fair) 30%, transparent); }
.pill--miss  { background: var(--color-weak-soft); color: var(--color-weak); border-color: color-mix(in srgb, var(--color-weak) 30%, transparent); }
.pill--star  { background: color-mix(in srgb, var(--color-accent) 12%, var(--color-card)); color: var(--color-accent); border-color: color-mix(in srgb, var(--color-accent) 30%, transparent); }

:root[data-theme="dark"] .pill--star { color: #c4b5fd; }

.empty {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--color-card);
}

.empty h3 { font-size: 17px; margin-bottom: var(--space-2); }
.empty p { color: var(--color-muted-foreground); margin: 0 0 var(--space-4); }

.more {
  margin-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
}

.more > summary {
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
}

.more > summary::-webkit-details-marker { display: none; }
.more > summary::before { content: "▸"; color: var(--color-muted-foreground); transition: transform var(--t-fast); }
.more[open] > summary::before { transform: rotate(90deg); }
.more > summary small { font-weight: 400; color: var(--color-muted-foreground); font-family: var(--font-body); }

/* ───────────────────────────── Drawer ────────────────────────────────── */

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(30, 15, 22, .45);
  z-index: 40;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base);
}

.drawer-backdrop.is-open { opacity: 1; pointer-events: auto; }

.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(520px, 100%);
  background: var(--color-card);
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  z-index: 41;
  transform: translateX(100%);
  transition: transform var(--t-base);
  display: flex;
  flex-direction: column;
}

.drawer.is-open { transform: none; }

.drawer__head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.drawer__body { padding: var(--space-4); overflow-y: auto; flex: 1; }

.drawer__foot {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
  background: var(--color-card);
  flex-wrap: wrap;
}

.attr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.attr {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  background: var(--color-muted);
}

.attr dt { font-size: 11.5px; color: var(--color-muted-foreground); text-transform: uppercase; letter-spacing: .04em; }
.attr dd { margin: 2px 0 0; font-weight: 600; font-size: 14px; }

.info-block { margin-bottom: var(--space-4); }
.info-block h4 { font-size: 14px; margin-bottom: var(--space-2); color: var(--color-primary); }
.info-block p { margin: 0 0 var(--space-2); font-size: 14.5px; }

.quote {
  border-left: 3px solid var(--color-primary);
  background: var(--color-primary-soft);
  padding: var(--space-3);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14.5px;
  white-space: pre-line;
}

/* ───────────────────────────── Toast & misc ──────────────────────────── */

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 16px);
  background: var(--color-foreground);
  color: var(--color-background);
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base), transform var(--t-base);
  z-index: 60;
}

.toast.is-open { opacity: 1; transform: translate(-50%, 0); }

.meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-muted-foreground);
}

.filter-toggle { display: none; }

/* ───────────────────────────── Responsive ────────────────────────────── */

@media (max-width: 1024px) {
  .layout { grid-template-columns: 1fr; }

  /* ── Hồ sơ khách = bottom sheet ────────────────────────────────────────
     Cao tối đa 76% màn hình, nội dung cuộn riêng, luôn có tay nắm + nút
     đóng + nút "Xem kết quả" nên không bao giờ bị kẹt trong bảng lọc. */
  .sidebar {
    position: fixed;
    inset: auto 0 0 0;
    display: block;
    max-height: 76dvh;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    border-radius: 20px 20px 0 0;
    border-bottom: 0;
    box-shadow: var(--shadow-lg);
    z-index: 46;
    transform: translateY(101%);
    transition: transform var(--t-base);
    padding: 0 var(--space-4);
  }

  .sidebar.is-open { transform: none; }

  .sheet-grip {
    display: block;
    width: 44px;
    height: 20px;
    margin: 6px auto 0;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    position: relative;
  }

  .sheet-grip::before {
    content: "";
    position: absolute;
    inset: 8px 0 auto 0;
    height: 4px;
    border-radius: 2px;
    background: var(--color-border-strong);
  }

  .sidebar__head {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--color-card);
    padding: var(--space-2) 0 var(--space-3);
  }

  .sheet-close { display: inline-flex; }

  .sidebar .fieldset + .fieldset { margin-top: var(--space-3); padding-top: var(--space-3); }

  .sheet-cta {
    display: block;
    position: sticky;
    bottom: 0;
    margin: var(--space-3) calc(var(--space-4) * -1) 0;
    padding: var(--space-3) var(--space-4) calc(var(--space-3) + env(safe-area-inset-bottom, 0px));
    background: var(--color-card);
    border-top: 1px solid var(--color-border);
  }

  .filter-toggle {
    display: inline-flex;
    position: fixed;
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    z-index: 44;
    box-shadow: var(--shadow-md);
  }

  .drawer { width: 100%; }

  /* Khoá cuộn nền khi bottom sheet / drawer đang mở */
  body.is-locked { overflow: hidden; }

  /* Ẩn nút nổi khi đã mở bảng lọc / chi tiết để không che nội dung */
  body.is-locked .filter-toggle { opacity: 0; pointer-events: none; }
}

@media (max-width: 560px) {
  .app { padding: 0 12px var(--space-6); }
  .topbar { margin: 0 -12px var(--space-3); padding: var(--space-2) 12px; }
  .brandmark small { display: none; }
  .brandmark__dot { width: 26px; height: 26px; }
  .brandmark h1 { font-size: 16px; }

  .search { max-width: none; order: 3; flex-basis: 100%; }
  .search input { height: 42px; }
  .search kbd { display: none; }

  .grid { grid-template-columns: 1fr; gap: var(--space-2); }

  /* Thẻ màu gọn hơn để nhìn được nhiều màu trong 1 màn hình */
  .card { grid-template-columns: 46px minmax(0, 1fr); padding: 10px; gap: 10px; }
  .card__swatch { width: 46px; height: 46px; font-size: 10px; }
  .card__note { -webkit-line-clamp: 2; font-size: 12.5px; }
  .card__model { font-size: 11.5px; }

  .results__head { margin-bottom: var(--space-2); }
  .results__count { font-size: 16px; }
  .results__hint { font-size: 13px; }

  /* Chừa chỗ cho nút "Hồ sơ khách" nổi ở góc dưới */
  .meta-row { padding-bottom: 64px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* Chế độ nhúng: bỏ nền, thu gọn khoảng cách */
body.is-embed .topbar { position: static; backdrop-filter: none; background: transparent; }
body.is-embed .app { padding-top: var(--space-3); }

@media (min-width: 1025px) {
  /* Trong iframe không có thanh cuộn riêng nên cột trái không cần dính */
  body.is-embed .sidebar { position: static; max-height: none; }
}