/* ==========================================================================
   Umonda AI Assistant
   Uses the revamp design tokens (--um-*) with fallbacks, scoped under
   .um-ai / .um-ai-* so nothing leaks into the storefront.
   ========================================================================== */

.um-ai, .um-ai-dock {
    --ai-primary: var(--um-primary, #3288a3);
    --ai-primary-dark: var(--um-primary-dark, #276c82);
    --ai-primary-tint: var(--um-primary-tint, #e8f2f5);
    --ai-accent: var(--um-accent, #f5480a);
    --ai-ink: var(--um-ink, #1a1a1a);
    --ai-ink-soft: var(--um-ink-soft, #404040);
    --ai-muted: var(--um-muted, #6b7280);
    --ai-line: var(--um-line, #e5e7eb);
    --ai-surface: var(--um-surface, #fff);
    --ai-surface-alt: var(--um-surface-alt, #f7f8fa);
    --ai-sunken: var(--um-surface-sunken, #f1f3f5);
    --ai-danger: var(--um-danger, #d93025);
    --ai-radius: var(--um-radius-md, 10px);
    --ai-radius-lg: var(--um-radius-lg, 16px);
    font-family: var(--um-font, "Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
    font-size: var(--um-text-base, 14px);
    line-height: 1.5;
    color: var(--ai-ink);
}
.um-ai *, .um-ai *::before, .um-ai *::after { box-sizing: border-box; }
.um-ai :focus-visible { outline: none; box-shadow: var(--um-focus-ring, 0 0 0 3px rgba(50, 136, 163, .35)); border-radius: 6px; }
.um-ai .visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Shell ---------- */
.um-ai { display: flex; flex-direction: column; background: var(--ai-surface); min-height: 0; }
.um-ai--page {
    border: 1px solid var(--ai-line); border-radius: var(--ai-radius-lg);
    height: calc(100vh - 220px); min-height: 560px; max-width: 980px; margin: 0 auto;
    box-shadow: 0 8px 30px rgba(15, 37, 48, .06);
}
.um-ai-page { background: var(--ai-surface-alt, #f7f8fa); padding: 32px 0 56px; }

.um-ai__head {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 14px 16px; border-bottom: 1px solid var(--ai-line); flex: 0 0 auto;
}
.um-ai__brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.um-ai__logo {
    width: 36px; height: 36px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--ai-primary), var(--ai-primary-dark)); color: #fff; flex: 0 0 auto;
}
.um-ai__title { font-weight: 700; font-size: 15px; line-height: 1.2; }
.um-ai__subtitle { color: var(--ai-muted); font-size: 12px; }
.um-ai__head-actions { display: flex; gap: 4px; }
.um-ai__icon-btn {
    width: 34px; height: 34px; border: 0; background: transparent; border-radius: 8px; color: var(--ai-ink-soft);
    display: inline-flex; align-items: center; justify-content: center; cursor: pointer; text-decoration: none !important;
}
.um-ai__icon-btn:hover { background: var(--ai-sunken); color: var(--ai-ink); }

.um-ai__log { flex: 1 1 auto; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 14px; scroll-behavior: smooth; }

/* ---------- Welcome ---------- */
.um-ai__welcome { margin: auto 0; text-align: center; padding: 12px 4px; }
.um-ai__welcome-title { font-size: 20px; font-weight: 700; margin: 0 0 6px; }
.um-ai__welcome-text { color: var(--ai-muted); margin: 0 auto 16px; max-width: 520px; }
.um-ai__suggestions { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.um-ai__suggestion {
    border: 1px solid var(--ai-line); background: var(--ai-surface); color: var(--ai-ink-soft); border-radius: 999px;
    padding: 8px 14px; font: inherit; font-size: 13px; cursor: pointer; transition: border-color .2s, color .2s;
}
.um-ai__suggestion:hover { border-color: var(--ai-primary); color: var(--ai-primary-dark); }
.um-ai__notice { background: var(--ai-sunken); border-radius: var(--ai-radius); padding: 10px 14px; color: var(--ai-ink-soft); display: inline-block; }

/* ---------- Messages ---------- */
.um-ai__msg { display: flex; flex-direction: column; gap: 10px; max-width: 100%; }
.um-ai__msg--user { align-items: flex-end; }
.um-ai__bubble { padding: 10px 14px; border-radius: 14px; max-width: 85%; overflow-wrap: anywhere; }
.um-ai__msg--user .um-ai__bubble { background: var(--ai-primary); color: #fff; border-bottom-right-radius: 4px; white-space: pre-wrap; }
.um-ai__msg--assistant .um-ai__bubble { background: var(--ai-sunken); border-bottom-left-radius: 4px; }
.um-ai__msg--error .um-ai__bubble { background: #fce8e6; color: #8c1d18; }
.um-ai__bubble p { margin: 0 0 8px; }
.um-ai__bubble p:last-child, .um-ai__bubble ul:last-child { margin-bottom: 0; }
.um-ai__bubble ul { margin: 0 0 8px; padding-left: 18px; }
.um-ai__bubble li { margin: 2px 0; }

.um-ai__typing { display: inline-flex; gap: 4px; align-items: center; }
.um-ai__typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--ai-muted); animation: um-ai-dot 1.2s infinite ease-in-out; }
.um-ai__typing span:nth-child(2) { animation-delay: .15s; }
.um-ai__typing span:nth-child(3) { animation-delay: .3s; }
.um-ai__typing-label { margin-left: 8px; color: var(--ai-muted); font-size: 13px; }
@keyframes um-ai-dot { 0%, 80%, 100% { opacity: .3; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }
@media (prefers-reduced-motion: reduce) { .um-ai__typing span { animation: none; } .um-ai__log { scroll-behavior: auto; } }

/* ---------- Applied filters ---------- */
.um-ai__search { border: 1px dashed var(--ai-line); border-radius: var(--ai-radius); padding: 8px 10px; font-size: 13px; }
.um-ai__search-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px; margin-bottom: 6px; }
.um-ai__search-source { font-weight: 600; color: var(--ai-ink-soft); }
.um-ai__search-count { color: var(--ai-muted); }
.um-ai__search-link { font-weight: 600; color: var(--ai-primary-dark) !important; white-space: nowrap; }
.um-ai__chips { display: flex; flex-wrap: wrap; gap: 6px; }
.um-ai__chip { background: var(--ai-primary-tint); color: var(--um-primary-darker, #1e5364); border-radius: 999px; padding: 2px 10px; font-size: 12px; }
.um-ai__chip b { font-weight: 600; }

/* ---------- Cards ---------- */
.um-ai__cards-head { font-weight: 700; font-size: 14px; margin: 2px 0 -2px; }
.um-ai__cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px; }
.um-ai--widget .um-ai__cards { grid-template-columns: 1fr; }
.um-ai__card {
    display: flex; flex-direction: column; background: var(--ai-surface); border: 1px solid var(--ai-line);
    border-radius: var(--ai-radius); overflow: hidden; color: inherit !important; text-decoration: none !important;
    transition: border-color .2s, box-shadow .2s;
}
.um-ai__card:hover { border-color: var(--ai-primary); box-shadow: 0 6px 18px rgba(15, 37, 48, .08); }
.um-ai--widget .um-ai__card { flex-direction: row; }
.um-ai__card-media { position: relative; aspect-ratio: 4 / 3; background: var(--ai-sunken); display: flex; align-items: center; justify-content: center; color: var(--ai-muted); font-size: 28px; }
.um-ai--widget .um-ai__card-media { width: 112px; flex: 0 0 112px; aspect-ratio: auto; font-size: 22px; }
.um-ai__card-media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.um-ai__card-badge { position: absolute; top: 8px; left: 8px; background: rgba(15, 37, 48, .78); color: #fff; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; z-index: 1; }
.um-ai__card-body { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.um-ai__card-price { font-weight: 700; font-size: 16px; color: var(--ai-ink); }
.um-ai__card-price s { color: var(--ai-muted); font-weight: 400; font-size: 13px; margin-left: 6px; }
.um-ai__card-title { font-weight: 600; font-size: 14px; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.um-ai__card-facts { color: var(--ai-muted); font-size: 12px; }
.um-ai__card-loc { color: var(--ai-muted); font-size: 12px; }
.um-ai__card-ref { color: var(--ai-muted); font-size: 11px; }

/* ---------- Compare ---------- */
.um-ai__compare-wrap { overflow-x: auto; border: 1px solid var(--ai-line); border-radius: var(--ai-radius); background: var(--ai-surface); }
.um-ai__compare { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 420px; }
.um-ai__compare th, .um-ai__compare td { padding: 8px 10px; border-bottom: 1px solid var(--ai-line); text-align: left; vertical-align: top; }
.um-ai__compare tr:last-child th, .um-ai__compare tr:last-child td { border-bottom: 0; }
.um-ai__compare tbody th { color: var(--ai-muted); font-weight: 500; white-space: nowrap; width: 1%; }
.um-ai__compare thead th { font-weight: 600; }
.um-ai__compare thead a { color: var(--ai-primary-dark) !important; }
.um-ai__compare img { width: 100%; max-width: 160px; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 8px; display: block; margin-bottom: 6px; }

/* ---------- Composer ---------- */
.um-ai__form { display: flex; gap: 8px; align-items: flex-end; padding: 12px 16px 6px; border-top: 1px solid var(--ai-line); flex: 0 0 auto; }
.um-ai__input {
    flex: 1 1 auto; resize: none; border: 1px solid var(--ai-line); border-radius: 12px; padding: 10px 12px;
    font: inherit; max-height: 140px; min-height: 44px; color: var(--ai-ink); background: var(--ai-surface);
}
.um-ai__input:focus { border-color: var(--ai-primary); outline: none; box-shadow: var(--um-focus-ring, 0 0 0 3px rgba(50, 136, 163, .35)); }
.um-ai__send {
    width: 44px; height: 44px; border-radius: 12px; border: 0; background: var(--ai-primary); color: #fff; cursor: pointer; flex: 0 0 auto;
}
.um-ai__send:hover { background: var(--ai-primary-dark); }
.um-ai__send:disabled, .um-ai__input:disabled { opacity: .55; cursor: not-allowed; }
.um-ai__disclaimer { margin: 0; padding: 0 16px 12px; color: var(--ai-muted); font-size: 11px; }

/* ---------- Floating dock ---------- */
.um-ai-dock { position: fixed; right: 20px; bottom: 20px; z-index: 1040; display: flex; flex-direction: column; align-items: flex-end; gap: 12px; pointer-events: none; }
.um-ai-dock > * { pointer-events: auto; }
.um-ai-launcher {
    display: inline-flex; align-items: center; gap: 8px; border: 0; border-radius: 999px; padding: 0 18px; height: 48px;
    background: linear-gradient(135deg, var(--ai-primary), var(--ai-primary-dark)); color: #fff; font: 600 14px/1 var(--um-font, sans-serif);
    box-shadow: 0 10px 24px rgba(15, 37, 48, .22); cursor: pointer;
}
.um-ai-launcher:hover { filter: brightness(1.05); }
.um-ai-launcher[aria-expanded="true"] { display: none; }
.um-ai-panel { width: 400px; height: min(640px, calc(100vh - 110px)); border-radius: var(--ai-radius-lg); overflow: hidden; box-shadow: 0 18px 50px rgba(15, 37, 48, .25); background: var(--ai-surface); }
.um-ai-panel[hidden] { display: none; }
.um-ai-panel .um-ai { height: 100%; }

@media (max-width: 575px) {
    .um-ai-dock { right: 12px; bottom: 12px; left: 12px; }
    .um-ai-panel { width: 100%; height: calc(100vh - 24px); }
    .um-ai-launcher span { display: none; }
    .um-ai-launcher { width: 52px; height: 52px; padding: 0; justify-content: center; }
    .um-ai--page { height: calc(100vh - 140px); border-radius: 12px; }
    .um-ai-page { padding: 12px 0 24px; }
    .um-ai__bubble { max-width: 95%; }
}
@media print { .um-ai-dock { display: none; } }