/* ═══════════════════════════════════════════════════════
   VBLQ Web App — KD Green Farm
   Design tokens + layout + components
   ═══════════════════════════════════════════════════════ */

/* ── Tokens (Light) ──────────────────────────────────── */
:root {
    --green-900:  #183D2A;
    --green-800:  #1F5238;
    --green-700:  #2A6245;
    --green-500:  #3D8A61;
    --green-200:  #A8D4BA;
    --green-100:  #E0EFE7;
    --green-50:   #F0F7F3;
    --gold:       #C8891F;
    --gold-light: #FBF3E2;
    --gold-muted: #E8A83A;

    --bg:         #F5F7F5;
    --surface:    #FFFFFF;
    --surface-2:  #F0F4F1;
    --border:     #D8E3DB;
    --border-2:   #EBF1ED;

    --text:       #1A1C1A;
    --text-2:     #4A5549;
    --text-3:     #7A8C7E;

    --success-bg: #E6F4ED;
    --success-fg: #1A6B3C;
    --danger-bg:  #FDE8E8;
    --danger-fg:  #B01E1E;
    --warning-bg: #FEF5E2;
    --warning-fg: #8B5E0A;
    --info-bg:    #E6EFF9;
    --info-fg:    #1A4F8A;

    --shadow-sm:  0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
    --shadow:     0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.05);
    --shadow-lg:  0 8px 24px rgba(0,0,0,.1), 0 4px 8px rgba(0,0,0,.06);

    --radius-sm:  6px;
    --radius:     10px;
    --radius-lg:  16px;
    --radius-pill:999px;

    --sidebar-w:  240px;
    --topbar-h:   56px;

    --transition: .2s cubic-bezier(.4,0,.2,1);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --green-900:  #4CAF7A;
        --green-800:  #3D9966;
        --green-700:  #5DBF87;
        --green-500:  #7DCCA0;
        --green-200:  #2A4D38;
        --green-100:  #1E3329;
        --green-50:   #161F1A;
        --gold:       #E8A83A;
        --gold-light: #2D2415;
        --gold-muted: #C8891F;

        --bg:         #0E1410;
        --surface:    #161D18;
        --surface-2:  #1C2620;
        --border:     #2A3830;
        --border-2:   #222E26;

        --text:       #E8F0EA;
        --text-2:     #9DB8A4;
        --text-3:     #5A7A60;

        --success-bg: #0E2E1A;
        --success-fg: #5BC98A;
        --danger-bg:  #2E0E0E;
        --danger-fg:  #F08080;
        --warning-bg: #2D2010;
        --warning-fg: #E8C068;
        --info-bg:    #0E1A2E;
        --info-fg:    #7098D8;
    }
}

:root[data-theme="dark"] {
    --green-900:  #4CAF7A;
    --green-800:  #3D9966;
    --green-700:  #5DBF87;
    --green-500:  #7DCCA0;
    --green-200:  #2A4D38;
    --green-100:  #1E3329;
    --green-50:   #161F1A;
    --gold:       #E8A83A;
    --gold-light: #2D2415;
    --gold-muted: #C8891F;

    --bg:         #0E1410;
    --surface:    #161D18;
    --surface-2:  #1C2620;
    --border:     #2A3830;
    --border-2:   #222E26;

    --text:       #E8F0EA;
    --text-2:     #9DB8A4;
    --text-3:     #5A7A60;

    --success-bg: #0E2E1A;
    --success-fg: #5BC98A;
    --danger-bg:  #2E0E0E;
    --danger-fg:  #F08080;
    --warning-bg: #2D2010;
    --warning-fg: #E8C068;
    --info-bg:    #0E1A2E;
    --info-fg:    #7098D8;
}

/* ── Reset ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; font-size: 15px; }
body {
    height: 100%;
    font-family: 'Be Vietnam Pro', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--green-700); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
img { max-width: 100%; }

/* ── Splash ──────────────────────────────────────────── */
.splash {
    position: fixed; inset: 0;
    background: var(--green-900);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999;
    transition: opacity .4s ease;
}
.splash.fade-out { opacity: 0; pointer-events: none; }

.splash-inner { text-align: center; }
.splash-emoji { font-size: 3rem; display: block; margin-bottom: .75rem; }
.splash-brand {
    display: block;
    font-size: 1.5rem; font-weight: 700;
    color: #fff; letter-spacing: -.02em;
    margin-bottom: .25rem;
}
.splash-sub {
    display: block;
    font-size: .875rem; color: rgba(255,255,255,.6);
    margin-bottom: 2rem;
}
.splash-spinner {
    width: 32px; height: 32px;
    border: 3px solid rgba(255,255,255,.2);
    border-top-color: var(--gold);
    border-radius: 50%;
    margin: 0 auto;
    animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Layout ──────────────────────────────────────────── */
.layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background: var(--green-900);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    z-index: 100;
}

.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

.topbar {
    height: var(--topbar-h);
    flex-shrink: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.5rem;
    box-shadow: var(--shadow-sm);
    z-index: 50;
}

.content {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    background: var(--bg);
}

/* ── Sidebar styles ──────────────────────────────────── */
.sidebar-logo {
    padding: 1.25rem 1.25rem 1rem;
    display: flex;
    align-items: center;
    gap: .6rem;
    border-bottom: 1px solid rgba(255,255,255,.1);
}
.sidebar-logo-icon { font-size: 1.5rem; }
.sidebar-logo-text {
    font-size: .9rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}
.sidebar-logo-sub {
    font-size: .65rem;
    color: rgba(255,255,255,.5);
    font-weight: 400;
}

.sidebar-nav { padding: .75rem 0; flex: 1; }
.nav-section-label {
    font-size: .65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: rgba(255,255,255,.35);
    padding: 1rem 1.25rem .35rem;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .55rem 1.25rem;
    color: rgba(255,255,255,.7);
    font-size: .875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
    border-radius: 0;
    text-decoration: none;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}
.nav-item:hover {
    background: rgba(255,255,255,.08);
    color: #fff;
    text-decoration: none;
}
.nav-item.active {
    background: rgba(255,255,255,.12);
    color: #fff;
    position: relative;
}
.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 4px; bottom: 4px;
    width: 3px;
    background: var(--gold);
    border-radius: 0 2px 2px 0;
}
.nav-icon { width: 18px; text-align: center; font-size: 1rem; }

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255,255,255,.1);
}
.sidebar-user {
    display: flex;
    align-items: center;
    gap: .6rem;
}
.sidebar-avatar {
    width: 32px; height: 32px;
    background: var(--gold);
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: .8rem; font-weight: 700;
    flex-shrink: 0;
}
.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name {
    font-size: .8rem; font-weight: 600;
    color: #fff;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-user-role {
    font-size: .7rem;
    color: rgba(255,255,255,.5);
}
.btn-logout {
    background: none; border: none;
    color: rgba(255,255,255,.4);
    font-size: 1rem;
    padding: .25rem;
    cursor: pointer;
    transition: color var(--transition);
}
.btn-logout:hover { color: #fff; }

/* ── Topbar ──────────────────────────────────────────── */
.topbar-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    flex: 1;
}
.topbar-search {
    display: flex;
    align-items: center;
    gap: .5rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    padding: .35rem .85rem;
    width: 260px;
    transition: border-color var(--transition);
}
.topbar-search:focus-within {
    border-color: var(--green-500);
    background: var(--surface);
}
.topbar-search-icon { color: var(--text-3); font-size: .9rem; }
.topbar-search input {
    border: none;
    background: transparent;
    font-size: .875rem;
    color: var(--text);
    width: 100%;
    outline: none;
}
.topbar-search input::placeholder { color: var(--text-3); }

/* ── Login Page ──────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    background: var(--green-900);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}
.login-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 3rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}
.login-logo { font-size: 3.5rem; margin-bottom: 1rem; }
.login-title {
    font-size: 1.5rem; font-weight: 700;
    color: var(--green-900); margin-bottom: .25rem;
}
.login-sub {
    font-size: .9rem; color: var(--text-2);
    margin-bottom: 2.5rem;
}
.login-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2rem 0;
}
.login-footer {
    font-size: .8rem;
    color: var(--text-3);
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .55rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: .875rem;
    font-weight: 600;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary {
    background: var(--green-900);
    color: #fff;
    border-color: var(--green-900);
}
.btn-primary:hover:not(:disabled) {
    background: var(--green-800);
    border-color: var(--green-800);
}

.btn-ms {
    background: #fff;
    color: #333;
    border: 1.5px solid #ddd;
    width: 100%;
    justify-content: center;
    padding: .75rem 1.5rem;
    font-size: .9375rem;
}
.btn-ms:hover { background: #f5f5f5; border-color: #bbb; }

.btn-secondary {
    background: transparent;
    color: var(--text-2);
    border-color: var(--border);
}
.btn-secondary:hover:not(:disabled) {
    background: var(--surface-2);
    color: var(--text);
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger-fg);
    border-color: transparent;
}
.btn-danger:hover:not(:disabled) {
    background: var(--danger-fg);
    color: #fff;
}

.btn-gold {
    background: var(--gold);
    color: #fff;
    border-color: var(--gold);
}
.btn-gold:hover:not(:disabled) { background: var(--gold-muted); }

.btn-sm {
    padding: .35rem .75rem;
    font-size: .8rem;
}
.btn-icon {
    padding: .5rem;
    border-radius: var(--radius-sm);
}

/* ── Page header ─────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.75rem;
}
.page-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    flex: 1;
}
.page-title span {
    font-size: .875rem;
    font-weight: 400;
    color: var(--text-3);
    margin-left: .5rem;
}

/* ── Stat cards ──────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-sm);
}
.stat-label {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-3);
    margin-bottom: .4rem;
}
.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--green-900);
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
}
.stat-sub {
    font-size: .8rem;
    color: var(--text-3);
    margin-top: .2rem;
}

/* ── Cards ───────────────────────────────────────────── */
.card {
    background: var(--surface);
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-2);
    display: flex;
    align-items: center;
    gap: .75rem;
}
.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    flex: 1;
}
.card-body { padding: 1.5rem; }

/* ── Filters bar ─────────────────────────────────────── */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: 1.5rem;
    align-items: center;
}
.filter-select {
    height: 36px;
    padding: 0 2rem 0 .75rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font-size: .85rem;
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237A8C7E' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .6rem center;
    transition: border-color var(--transition);
}
.filter-select:focus {
    outline: none;
    border-color: var(--green-500);
}
.filter-search {
    display: flex;
    align-items: center;
    gap: .5rem;
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0 .75rem;
    height: 36px;
    flex: 1;
    min-width: 200px;
    transition: border-color var(--transition);
}
.filter-search:focus-within { border-color: var(--green-500); }
.filter-search input {
    border: none;
    background: transparent;
    font-size: .875rem;
    color: var(--text);
    width: 100%;
    outline: none;
}
.filter-search input::placeholder { color: var(--text-3); }

/* ── Document Table ──────────────────────────────────── */
.doc-table-wrap {
    overflow-x: auto;
    background: var(--surface);
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.doc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}
.doc-table th {
    background: var(--surface-2);
    padding: .75rem 1rem;
    text-align: left;
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-3);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.doc-table td {
    padding: .85rem 1rem;
    border-bottom: 1px solid var(--border-2);
    color: var(--text);
    vertical-align: middle;
}
.doc-table tr:last-child td { border-bottom: none; }
.doc-table tr:hover td { background: var(--green-50); }
.doc-table .doc-name {
    font-weight: 500;
    color: var(--green-900);
    cursor: pointer;
    max-width: 280px;
}
.doc-table .doc-name:hover { text-decoration: underline; }
.doc-meta-code {
    font-size: .75rem;
    color: var(--text-3);
    font-family: monospace;
}

/* ── Badges ──────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: .2rem .6rem;
    border-radius: var(--radius-pill);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .02em;
    white-space: nowrap;
}
.badge-green  { background: var(--green-100); color: var(--green-700); }
.badge-blue   { background: var(--info-bg);    color: var(--info-fg);   }
.badge-purple { background: #EDE8F8;           color: #6B21A8;          }
.badge-teal   { background: #E0F2F2;           color: #0F7070;          }
.badge-orange { background: #FEF0E6;           color: #C25A0A;          }
.badge-yellow { background: var(--warning-bg); color: var(--warning-fg);}
.badge-rose   { background: #FDE8EF;           color: #9B1C4A;          }
.badge-grey   { background: var(--surface-2);  color: var(--text-2);    }
.badge-success{ background: var(--success-bg); color: var(--success-fg);}
.badge-danger { background: var(--danger-bg);  color: var(--danger-fg); }
.badge-warning{ background: var(--warning-bg); color: var(--warning-fg);}

.tabs-bar { display: flex; gap: .25rem; border-bottom: 1px solid var(--border); margin-bottom: 1rem; }
.tab-btn {
    background: none; border: none; padding: .6rem 1rem; font-size: .85rem; font-weight: 600;
    color: var(--text-2); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab-btn.active { color: var(--gold-600, var(--text-1)); border-bottom-color: currentColor; }
.tab-btn:hover { color: var(--text-1); }

/* ── Forms ───────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
    display: block;
    font-size: .825rem;
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: .4rem;
}
.form-label .required { color: var(--danger-fg); margin-left: .2rem; }
.form-control {
    display: block;
    width: 100%;
    padding: .6rem .875rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font-size: .9rem;
    transition: border-color var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--green-500);
}
.form-control::placeholder { color: var(--text-3); }
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237A8C7E' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .75rem center;
    padding-right: 2.25rem;
    cursor: pointer;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.form-hint { font-size: .78rem; color: var(--text-3); margin-top: .3rem; }

/* ── File drop zone ──────────────────────────────────── */
.drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--surface);
}
.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--green-500);
    background: var(--green-50);
}
.drop-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.drop-label { font-size: .9rem; font-weight: 500; color: var(--text-2); }
.drop-sub { font-size: .8rem; color: var(--text-3); margin-top: .25rem; }
.drop-file-selected {
    background: var(--green-50);
    border-color: var(--green-500);
}
.file-preview {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border-2);
    border-radius: var(--radius-sm);
    margin-top: .75rem;
}
.file-icon { font-size: 1.5rem; }
.file-info { flex: 1; text-align: left; }
.file-name { font-size: .875rem; font-weight: 500; }
.file-size { font-size: .78rem; color: var(--text-3); }

/* ── Progress bar ────────────────────────────────────── */
.progress-wrap { margin-top: 1rem; }
.progress-bar {
    height: 6px;
    background: var(--border);
    border-radius: var(--radius-pill);
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: var(--green-500);
    border-radius: var(--radius-pill);
    transition: width .3s ease;
}
.progress-label { font-size: .8rem; color: var(--text-3); margin-top: .35rem; text-align: center; }

/* ── Document detail ─────────────────────────────────── */
.doc-detail-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1.5rem;
    align-items: start;
}
.doc-preview-pane {
    background: var(--surface);
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    overflow: hidden;
    min-height: 480px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}
.doc-preview-icon { font-size: 4rem; margin-bottom: 1rem; }
.doc-preview-name { font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: .4rem; }
.doc-preview-size { font-size: .85rem; color: var(--text-3); margin-bottom: 1.5rem; }
.doc-meta-pane { display: flex; flex-direction: column; gap: .75rem; }
.doc-meta-card {
    background: var(--surface);
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.doc-meta-row {
    display: flex;
    padding: .65rem 1rem;
    border-bottom: 1px solid var(--border-2);
    font-size: .85rem;
    gap: .5rem;
}
.doc-meta-row:last-child { border-bottom: none; }
.doc-meta-key {
    color: var(--text-3);
    font-weight: 500;
    width: 100px;
    flex-shrink: 0;
}
.doc-meta-val { color: var(--text); }
.doc-actions { display: flex; flex-direction: column; gap: .5rem; }

/* ── Search ──────────────────────────────────────────── */
.search-bar-big {
    display: flex;
    align-items: center;
    gap: .75rem;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: .75rem 1.25rem;
    margin-bottom: 1.5rem;
    transition: border-color var(--transition);
    box-shadow: var(--shadow-sm);
}
.search-bar-big:focus-within { border-color: var(--green-500); }
.search-bar-big .search-icon { font-size: 1.25rem; color: var(--text-3); }
.search-bar-big input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 1rem;
    color: var(--text);
    outline: none;
}
.search-results-count {
    font-size: .875rem;
    color: var(--text-3);
    margin-bottom: 1rem;
}
.search-hit {
    background: var(--surface);
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: .75rem;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}
.search-hit:hover { border-color: var(--green-500); transform: translateY(-1px); box-shadow: var(--shadow); }
.search-hit-name { font-size: .9375rem; font-weight: 600; color: var(--green-900); margin-bottom: .25rem; }
.search-hit-meta { font-size: .8rem; color: var(--text-3); }
.search-hit-snippet { font-size: .85rem; color: var(--text-2); margin-top: .4rem; }

/* ── Empty state ─────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}
.empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-title { font-size: 1rem; font-weight: 600; color: var(--text-2); margin-bottom: .4rem; }
.empty-sub { font-size: .875rem; color: var(--text-3); }

/* ── Loading spinner inline ──────────────────────────── */
.spinner-inline {
    width: 20px; height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--green-500);
    border-radius: 50%;
    animation: spin .7s linear infinite;
    display: inline-block;
}
.loading-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 3rem;
    color: var(--text-3);
    font-size: .875rem;
}
.loading-block .spinner-inline { width: 32px; height: 32px; }

/* ── Toast ───────────────────────────────────────────── */
#toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: .5rem;
    z-index: 9000;
    pointer-events: none;
}
.toast {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .75rem 1.1rem;
    border-radius: var(--radius);
    font-size: .875rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    pointer-events: all;
    animation: toast-in .3s ease;
    max-width: 360px;
}
@keyframes toast-in { from { transform: translateY(8px); opacity:0; } to { transform: none; opacity:1; } }
.toast-success { background: var(--success-bg); color: var(--success-fg); border: 1px solid var(--success-fg); }
.toast-error   { background: var(--danger-bg);  color: var(--danger-fg);  border: 1px solid var(--danger-fg);  }
.toast-info    { background: var(--info-bg);     color: var(--info-fg);    border: 1px solid var(--info-fg);    }

/* ── Modal ───────────────────────────────────────────── */
.modal-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.4);
    display: flex; align-items: center; justify-content: center;
    z-index: 5000;
    padding: 1rem;
    animation: fade-in .2s ease;
}
@keyframes fade-in { from { opacity:0; } to { opacity:1; } }
.modal {
    background: var(--surface);
    border-radius: var(--radius-lg);
    max-width: 520px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modal-in .25s ease;
}
@keyframes modal-in { from { transform: scale(.96) translateY(8px); opacity:0; } to { transform: none; opacity:1; } }
.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-2);
    display: flex;
    align-items: center;
    gap: .75rem;
}
.modal-title { font-size: 1.05rem; font-weight: 700; flex: 1; }
.modal-close {
    background: none; border: none;
    font-size: 1.25rem;
    color: var(--text-3);
    cursor: pointer;
    padding: .25rem;
    transition: color var(--transition);
}
.modal-close:hover { color: var(--text); }
.modal-body { padding: 1.5rem; }
.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-2);
    display: flex;
    gap: .75rem;
    justify-content: flex-end;
}

/* ── Dashboard grid (mục 51, 28 phát sinh) ────────────── */
.dashboard-grid {
    display: grid;
    gap: 1rem;
}

/* ── Mobile menu controls (ẩn trên desktop, hiện ở @media dưới) ─ */
.menu-toggle-btn,
.sidebar-close-btn,
.topbar-search-icon-btn,
.sidebar-backdrop {
    display: none;
}
.menu-toggle-btn,
.topbar-search-icon-btn {
    background: none;
    border: none;
    font-size: 1.15rem;
    color: var(--text-2);
    padding: .4rem .5rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    flex-shrink: 0;
}
.menu-toggle-btn:hover,
.topbar-search-icon-btn:hover { background: var(--surface-2); }

/* ── Pagination ──────────────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: 1.25rem;
    border-top: 1px solid var(--border-2);
}
.page-info { font-size: .85rem; color: var(--text-3); }

/* ── Responsive: tablet (≤1024px) ─────────────────────── */
@media (max-width: 1024px) {
    :root { --sidebar-w: 220px; }
    .doc-detail-grid { grid-template-columns: 1fr 280px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Responsive: mobile (≤768px) ──────────────────────────
   Sidebar trở thành overlay trượt vào thay vì bị ẩn hoàn toàn
   (bản cũ display:none khiến người dùng điện thoại KHÔNG có
   cách nào vào menu điều hướng) — mở/đóng qua nút ☰ trên topbar. */
@media (max-width: 768px) {
    .menu-toggle-btn,
    .topbar-search-icon-btn { display: inline-flex; align-items: center; justify-content: center; }

    .sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        transform: translateX(-100%);
        transition: transform var(--transition);
        box-shadow: var(--shadow-lg);
    }
    .sidebar-close-btn {
        display: inline-flex; align-items: center; justify-content: center;
        margin-left: auto;
        background: none; border: none; color: rgba(255,255,255,.7);
        font-size: 1.1rem; padding: .3rem; cursor: pointer; flex-shrink: 0;
    }
    .sidebar-close-btn:hover { color: #fff; }
    #app-layout.sidebar-open .sidebar { transform: translateX(0); }
    #app-layout.sidebar-open .sidebar-backdrop {
        display: block;
        position: fixed; inset: 0;
        background: rgba(0,0,0,.45);
        z-index: 99;
        animation: fade-in .2s ease;
    }

    .topbar { padding: 0 .85rem; gap: .6rem; }
    .topbar-title { font-size: .9rem; }
    .topbar-search { display: none; }

    .content { padding: 1rem; }

    .page-header { flex-wrap: wrap; gap: .6rem; margin-bottom: 1.25rem; }
    .page-title { font-size: 1.15rem; }

    .doc-detail-grid { grid-template-columns: 1fr; }
    .doc-preview-pane { min-height: 320px; padding: 1.5rem; }
    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: .75rem; }
    .stat-card { padding: 1rem 1.1rem; }
    .stat-value { font-size: 1.5rem; }
    .dashboard-grid { grid-template-columns: 1fr !important; }

    .filters-bar { flex-direction: column; align-items: stretch; }
    .filter-select, .filter-search { width: 100%; }

    .search-bar-big { padding: .6rem 1rem; }
    .search-bar-big input { font-size: .9rem; }

    .tabs-bar { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; }
    .tab-btn { white-space: nowrap; }

    .doc-table th, .doc-table td { padding: .6rem .75rem; font-size: .8rem; }
    .doc-table .doc-name { max-width: 160px; }

    .card-header { padding: 1rem 1.1rem; flex-wrap: wrap; gap: .5rem; }
    .card-body { padding: 1.1rem; }
    .doc-meta-row { flex-direction: column; gap: .15rem; }
    .doc-meta-key { width: auto; }

    .modal { max-width: 100%; margin: 0 .5rem; }
    .modal-header, .modal-body, .modal-footer { padding: 1rem 1.1rem; }
    .modal-footer { flex-wrap: wrap; }
    .modal-footer .btn { flex: 1; justify-content: center; }

    #toast-container { left: 1rem; right: 1rem; bottom: 1rem; }
    .toast { max-width: none; }

    .login-card { padding: 2rem 1.5rem; }
}

/* ── Responsive: small phones (≤400px) ────────────────── */
@media (max-width: 400px) {
    .stats-grid { grid-template-columns: 1fr; }
    .page-title { font-size: 1.05rem; }
    .btn { padding: .5rem .9rem; font-size: .82rem; }
}