/* ============================================================
   LiTing AI — Dashboard Design System
   Responsive, dark theme, category-colored navigation.
   ============================================================ */

/* ── Foundation ─────────────────────────────────────────────── */

:root {
    /* Base palette */
    --bg:          #0f1117;
    --bg-raised:   #151820;
    --card:        #1a1d27;
    --card-hover:  #1f2233;
    --border:      #2a2d3a;
    --border-light:#363a4a;
    --text:        #e1e4ed;
    --text-dim:    #8b8fa3;
    --text-faint:  #5a5e72;

    /* Status colors */
    --green:       #34d399;
    --green-dim:   #0d3d2e;
    --yellow:      #fbbf24;
    --yellow-dim:  #3d3010;
    --red:         #f87171;
    --red-dim:     #3d1515;
    --orange:      #fb923c;
    --blue:        #4f8cff;
    --blue-dim:    #1e3a5f;
    --purple:      #a78bfa;
    --purple-dim:  #2d2050;
    --teal:        #2dd4bf;
    --pink:        #f472b6;

    /* Category colors — each nav section gets its own accent */
    --cat-overview:  #4f8cff;   /* blue */
    --cat-people:    #a78bfa;   /* purple */
    --cat-tasks:     #4f8cff;   /* blue */
    --cat-agents:    #34d399;   /* green */
    --cat-location:  #fb923c;   /* orange */
    --cat-banking:   #fbbf24;   /* yellow */
    --cat-settings:  #8b8fa3;   /* gray */
    --cat-hotel:     #2dd4bf;   /* teal */

    /* Layout */
    --nav-width:     220px;
    --header-height: 56px;
    --radius:        8px;
    --radius-sm:     4px;

    /* Typography */
    --font:      -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans TC', sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    font-size: 14px;
    line-height: 1.5;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Header ────────────────────────────────────────────────── */

.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-height);
    background: var(--card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo {
    height: 32px;
    width: auto;
}

.header-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.header-title span { color: var(--blue); }

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 12px;
    color: var(--text-dim);
}

.header-live {
    color: var(--green);
    font-size: 11px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-live::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.lang-toggle {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    padding: 4px 8px;
    font-size: 11px;
    cursor: pointer;
}

.lang-toggle:hover {
    border-color: var(--blue);
    color: var(--text);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
}

/* ── Sidebar Nav ───────────────────────────────────────────── */

.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: var(--nav-width);
    background: var(--bg-raised);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    z-index: 90;
    padding: 12px 0;
}

.nav-section {
    margin-bottom: 4px;
}

.nav-section-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-faint);
    padding: 12px 16px 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    color: var(--text-dim);
    font-size: 13px;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: all 0.15s;
}

.nav-item:hover {
    background: var(--card);
    color: var(--text);
}

.nav-item.active {
    color: var(--text);
    background: var(--card);
    font-weight: 500;
}

.nav-item.active[data-cat="overview"]  { border-left-color: var(--cat-overview); }
.nav-item.active[data-cat="people"]    { border-left-color: var(--cat-people); }
.nav-item.active[data-cat="tasks"]     { border-left-color: var(--cat-tasks); }
.nav-item.active[data-cat="agents"]    { border-left-color: var(--cat-agents); }
.nav-item.active[data-cat="location"]  { border-left-color: var(--cat-location); }
.nav-item.active[data-cat="banking"]   { border-left-color: var(--cat-banking); }
.nav-item.active[data-cat="settings"]  { border-left-color: var(--cat-settings); }
.nav-item.active[data-cat="hotel"]     { border-left-color: var(--cat-hotel); }

.nav-icon {
    font-size: 15px;
    width: 20px;
    text-align: center;
}

.nav-badge {
    margin-left: auto;
    background: var(--red);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

/* ── Main Content ──────────────────────────────────────────── */

.main {
    margin-left: var(--nav-width);
    margin-top: var(--header-height);
    padding: 20px;
    min-height: calc(100vh - var(--header-height));
}

.page { display: none; }
.page.active { display: block; }

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.page-title {
    font-size: 20px;
    font-weight: 600;
}

.page-subtitle {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 2px;
}

/* ── Cards ─────────────────────────────────────────────────── */

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}

.card-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    margin-bottom: 8px;
}

.card-value {
    font-size: 28px;
    font-weight: 700;
    font-family: var(--font-mono);
}

.card-detail {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
}

/* ── Tables ────────────────────────────────────────────────── */

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th {
    text-align: left;
    padding: 8px 12px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
    font-weight: 500;
}

td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

tr:hover td {
    background: var(--card-hover);
}

/* ── Badges & Status ───────────────────────────────────────── */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
}

.badge-green  { background: var(--green-dim);  color: var(--green); }
.badge-red    { background: var(--red-dim);    color: var(--red); }
.badge-yellow { background: var(--yellow-dim); color: var(--yellow); }
.badge-blue   { background: var(--blue-dim);   color: var(--blue); }
.badge-purple { background: var(--purple-dim); color: var(--purple); }
.badge-dim    { background: var(--border);     color: var(--text-dim); }

.status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.green  { background: var(--green); }
.status-dot.red    { background: var(--red); }
.status-dot.yellow { background: var(--yellow); }
.status-dot.orange { background: var(--orange); }
.status-dot.blue   { background: var(--blue); }

/* ── Buttons ───────────────────────────────────────────────── */

.btn {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text);
    transition: all 0.15s;
}

.btn:hover { border-color: var(--blue); }
.btn-primary { background: var(--blue); border-color: var(--blue); color: white; }
.btn-primary:hover { opacity: 0.85; }
.btn-danger  { background: var(--red-dim); border-color: var(--red); color: var(--red); }
.btn-danger:hover { background: var(--red); color: white; }
.btn-sm { padding: 3px 8px; font-size: 11px; }

/* ── Forms ─────────────────────────────────────────────────── */

.input, select {
    padding: 6px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 13px;
    font-family: var(--font);
}

.input:focus, select:focus {
    outline: none;
    border-color: var(--blue);
}

/* ── Footer ────────────────────────────────────────────────── */

.footer {
    margin-left: var(--nav-width);
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-faint);
    text-align: center;
}

.footer-logo {
    height: 20px;
    opacity: 0.4;
    margin-bottom: 6px;
}

/* ── Utility ───────────────────────────────────────────────── */

.mono { font-family: var(--font-mono); }
.dim  { color: var(--text-dim); }
.faint{ color: var(--text-faint); }
.green{ color: var(--green); }
.red  { color: var(--red); }
.yellow{color: var(--yellow); }
.orange{color: var(--orange); }
.blue { color: var(--blue); }
.purple{color: var(--purple); }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16{ margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16{ margin-bottom: 16px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.text-right { text-align: right; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hidden { display: none !important; }

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-dim);
    font-size: 13px;
}

.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-faint);
}

.loading::after {
    content: '';
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 8px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

@media (max-width: 768px) {
    :root {
        --nav-width: 0px;
    }

    .sidebar {
        transform: translateX(-100%);
        width: 260px;
        transition: transform 0.25s;
        z-index: 200;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 150;
    }

    .sidebar-overlay.open {
        display: block;
    }

    .mobile-menu-btn {
        display: block;
    }

    .main, .footer {
        margin-left: 0;
    }

    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

@media (min-width: 769px) and (max-width: 1100px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* ── Platforms Page — Accordion Hierarchy ──────────────────── */

.name-unconfirmed { color: var(--red); font-weight: 600; }
.name-confirmed { color: var(--text); }
.name-editable { cursor: pointer; border-bottom: 1px dashed var(--border); }
.name-editable:hover { border-bottom-color: var(--blue); }

.acc-platform { margin-bottom: 4px; }
.acc-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 12px; cursor: pointer; border-radius: 6px;
    user-select: none; transition: background 0.15s;
}
.acc-header:hover { background: rgba(79,140,255,0.06); }
.acc-header-left { display: flex; align-items: center; gap: 8px; }
.acc-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.acc-dot.red { background: var(--red); }
.acc-dot.green { background: var(--green); }
.acc-dot.gray { background: #6b7280; }
.acc-arrow { color: var(--text-dim); font-size: 12px; transition: transform 0.15s; flex-shrink: 0; }
.acc-arrow.open { transform: rotate(90deg); }
.acc-name { font-size: 14px; font-weight: 600; }
.acc-count { font-size: 11px; color: var(--text-dim); }
.acc-body { padding-left: 20px; display: none; }
.acc-body.open { display: block; }

.acc-group { margin-bottom: 2px; }
.acc-group .acc-header { padding: 6px 12px; }
.acc-group .acc-name { font-size: 13px; font-weight: 500; }

.acc-person {
    display: flex; align-items: flex-start; justify-content: space-between;
    padding: 6px 12px; border-radius: 4px; margin-bottom: 2px; gap: 8px;
}
.acc-person:hover { background: rgba(79,140,255,0.04); }
.acc-person-info { flex: 1; min-width: 0; }
.acc-person-name { font-size: 13px; }
.acc-person-meta { font-size: 10px; color: var(--text-dim); }
.acc-person-ids { font-size: 11px; color: var(--text-dim); }
.acc-person-actions { display: flex; gap: 4px; flex-wrap: wrap; flex-shrink: 0; }

.btn-confirm { background: var(--green-dim); color: var(--green); }
.btn-merge { background: var(--blue-dim); color: var(--blue); }
.btn-match { background: var(--yellow-dim); color: var(--yellow); }
.btn-link { background: var(--green-dim); color: var(--green); }
.btn-dismiss { background: #3d2a1a; color: var(--text-dim); }
.btn-info { background: var(--blue-dim); color: var(--blue); border: none; border-radius: 3px; padding: 2px 8px; font-size: 10px; cursor: pointer; }
.btn-reject { background: var(--red-dim); color: var(--red); border: none; border-radius: 3px; padding: 2px 8px; font-size: 10px; cursor: pointer; }

.fc-badge {
    font-size: 10px; color: var(--blue); background: rgba(79,140,255,0.1);
    padding: 1px 5px; border-radius: 3px; font-family: var(--font-mono); margin-left: 4px;
}
.plat-badges { display: inline-flex; gap: 3px; }
.plat-badge {
    font-size: 9px; background: rgba(79,140,255,0.15); color: var(--blue);
    padding: 1px 5px; border-radius: 3px; font-weight: 600;
}
.plat-tag {
    font-size: 9px; background: rgba(79,140,255,0.15); color: var(--blue);
    padding: 1px 5px; border-radius: 3px; font-weight: 600; margin-right: 4px;
}
.gen-badge {
    font-size: 10px; color: var(--text-dim); background: rgba(255,255,255,0.05);
    padding: 1px 6px; border-radius: 4px;
}

.dm-section-title {
    font-size: 13px; font-weight: 600; color: var(--text-dim);
    padding: 8px 12px; border-top: 1px solid var(--border); margin-top: 8px;
}

/* ── Review Section (Dedup Clusters) ──────────────────────── */

.review-header {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 12px; font-size: 14px; font-weight: 600;
    border-bottom: 1px solid var(--border); margin-bottom: 8px;
}
.review-badge {
    background: var(--red); color: #fff; font-size: 10px; font-weight: 700;
    padding: 1px 7px; border-radius: 10px; min-width: 18px; text-align: center;
}
.review-cluster {
    border: 1px solid var(--border); border-radius: 8px;
    padding: 10px 12px; margin-bottom: 8px; background: rgba(79,140,255,0.02);
}
.review-parent {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; font-weight: 600; margin-bottom: 6px;
}
.review-candidate { margin-left: 24px; padding: 5px 8px; border-radius: 4px; margin-bottom: 4px; }
.review-candidate:hover { background: rgba(79,140,255,0.04); }
.review-cand-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.review-cand-info { flex: 1; min-width: 0; }
.review-cand-name { font-size: 13px; font-weight: 500; }
.review-cand-reason { font-size: 10px; color: var(--text-dim); display: block; margin-top: 1px; }
.review-cand-actions { display: flex; gap: 4px; flex-shrink: 0; align-items: center; }
.review-empty { color: var(--text-dim); font-size: 12px; padding: 8px 12px; }

/* ── Group Settings Overlay ───────────────────────────────── */

.group-settings-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); z-index: 999; display: none;
    align-items: center; justify-content: center;
}
.group-settings-overlay.show { display: flex; }
.group-settings-panel {
    background: var(--card); border: 1px solid var(--border); border-radius: 12px;
    padding: 24px; width: 380px; max-width: 95vw; max-height: 90vh; overflow-y: auto;
}
.group-settings-panel h3 { font-size: 15px; margin-bottom: 16px; }
.gs-field { margin-bottom: 14px; }
.gs-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.gs-toggle { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.gs-toggle input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--blue); }
.gs-desc { font-size: 11px; color: var(--text-dim); margin-top: 4px; }

/* ── Owner Search Modal ───────────────────────────────────── */

.modal-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); z-index: 999; display: none;
}
.modal-overlay.show { display: block; }

.owner-search-modal {
    background: var(--card); border: 1px solid var(--border); border-radius: 8px;
    padding: 16px; position: fixed; top: 50%; left: 50%;
    transform: translate(-50%, -50%); z-index: 1000; width: 400px;
    max-height: 400px; overflow-y: auto; display: none;
}
.owner-search-modal.show { display: block; }
.owner-result { padding: 8px; border-bottom: 1px solid var(--border); cursor: pointer; }
.owner-result:hover { background: rgba(79,140,255,0.08); }
.owner-result-name { font-weight: 600; }
.owner-result-detail { font-size: 11px; color: var(--text-dim); }

/* ── Contact Detail Panel (slide-out) ─────────────────────── */

.contact-detail-panel {
    position: fixed; top: 0; right: -460px; width: 440px; height: 100vh;
    background: var(--card); border-left: 1px solid var(--border); z-index: 1001;
    overflow-y: auto; transition: right 0.25s ease; padding: 20px;
    box-shadow: -4px 0 20px rgba(0,0,0,0.3);
}
.contact-detail-panel.open { right: 0; }

.detail-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.detail-header h2 { font-size: 16px; font-weight: 600; }
.detail-close { background: none; border: none; color: var(--text-dim); font-size: 20px; cursor: pointer; padding: 4px 8px; }
.detail-close:hover { color: var(--text); }
.detail-field { margin-bottom: 14px; }
.detail-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.detail-input { width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 8px 10px; font-size: 13px; font-family: inherit; }
.detail-input:focus { border-color: var(--blue); outline: none; }
.detail-select { width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 8px 10px; font-size: 13px; }
.detail-platform-list { font-size: 12px; font-family: var(--font-mono); }
.detail-platform-item { padding: 3px 0; display: flex; justify-content: space-between; align-items: center; }
.detail-platform-id { color: var(--text-dim); font-size: 11px; word-break: break-all; }
.detail-save-row { margin-top: 20px; display: flex; gap: 8px; }
.detail-family-code { display: flex; align-items: center; gap: 8px; padding: 6px 0 2px 0; }
.family-code-value { font-size: 18px; font-weight: 700; color: var(--blue); font-family: var(--font-mono); letter-spacing: 1px; }
.btn-save { background: var(--blue); color: #fff; border: none; border-radius: 6px; padding: 8px 20px; font-size: 13px; font-weight: 600; cursor: pointer; flex: 1; }
.btn-save:hover { opacity: 0.85; }
.btn-cancel { background: var(--bg); color: var(--text-dim); border: 1px solid var(--border); border-radius: 6px; padding: 8px 20px; font-size: 13px; cursor: pointer; }
.detail-id { font-size: 11px; color: var(--text-dim); font-family: var(--font-mono); margin-top: 4px; cursor: pointer; }
.detail-id:hover { color: var(--blue); }
.detail-timestamps { font-size: 11px; color: var(--text-dim); margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }

/* ── Conversation Log in Contact Detail ───────────────────── */

.convo-toggle { display: flex; align-items: center; gap: 6px; cursor: pointer; padding: 8px 0 4px 0; color: var(--blue); font-size: 12px; font-weight: 600; }
.convo-toggle:hover { text-decoration: underline; }
.convo-count { font-size: 10px; color: var(--text-dim); font-weight: 400; }
.convo-log { max-height: 400px; overflow-y: auto; padding: 8px 0; display: none; }
.convo-log.open { display: block; }
.convo-msg { margin-bottom: 8px; max-width: 85%; }
.convo-msg.user { margin-left: auto; text-align: right; }
.convo-msg.assistant { margin-right: auto; text-align: left; }
.convo-bubble { display: inline-block; padding: 6px 10px; border-radius: 10px; font-size: 12px; line-height: 1.4; word-break: break-word; max-width: 100%; text-align: left; }
.convo-msg.user .convo-bubble { background: rgba(79,140,255,0.15); color: var(--text); border-bottom-right-radius: 3px; }
.convo-msg.assistant .convo-bubble { background: rgba(255,255,255,0.08); color: var(--text); border-bottom-left-radius: 3px; }
.convo-meta { font-size: 9px; color: var(--text-dim); margin-top: 2px; }
.convo-date-sep { text-align: center; font-size: 10px; color: var(--text-dim); padding: 4px 0; margin: 4px 0; border-top: 1px solid var(--border); }
.convo-empty { color: var(--text-dim); font-size: 12px; padding: 12px 0; text-align: center; }

/* ── Toast ────────────────────────────────────────────────── */

.toast {
    position: fixed; bottom: 24px; right: 24px; background: var(--green-dim); color: var(--green);
    padding: 10px 20px; border-radius: 8px; font-size: 14px; z-index: 9999;
    opacity: 0; transition: opacity 0.3s; pointer-events: none;
}
.toast.show { opacity: 1; }