/* ───────────────────────────────────────────────────────────────────────────
   VG Application — Warm/Friendly Design System
   Single source of truth for layouts + all views.
   Class names preserved from previous inline styles for backwards-compat.
   ─────────────────────────────────────────────────────────────────────────── */

:root {
    /* Aqua palette — cyan & teal on pale aqua-cream */
    --ink: #0b3a4f;             /* deep aqua-slate */
    --ink-soft: #155e75;
    --paper: #f0fafd;           /* pale aqua background */
    --paper-2: #e0f7fa;         /* slightly deeper aqua */
    --white: #ffffff;
    --accent: #06b6d4;          /* cyan-500 (primary) */
    --accent-deep: #0891b2;     /* cyan-600 */
    --accent-soft: #a5f3fc;     /* cyan-200 */
    --accent-lt: #ecfeff;       /* cyan-50 */
    --rose: #14b8a6;            /* teal-500 (secondary accent) */
    --amber: #fbbf24;
    --teal: #0ea5e9;            /* sky-500 */
    --muted: #64748b;           /* slate */
    --muted-2: #94a3b8;
    --border: #cffafe;          /* cyan-100 */
    --border-strong: #a5f3fc;
    --success: #15803d;
    --success-bg: #ecfdf5;
    --success-border: #bbf7d0;
    --danger: #be123c;
    --danger-bg: #fff1f2;
    --danger-border: #fecdd3;
    --warn: #b45309;
    --warn-bg: #fffbeb;
    --warn-border: #fde68a;
    --info: #0369a1;
    --info-bg: #f0f9ff;
    --info-border: #bae6fd;

    --shadow-sm: 0 1px 2px rgba(11, 58, 79, .04), 0 1px 3px rgba(11, 58, 79, .06);
    --shadow-md: 0 4px 12px rgba(11, 58, 79, .06), 0 2px 4px rgba(11, 58, 79, .04);
    --shadow-lg: 0 16px 40px rgba(11, 58, 79, .10), 0 4px 12px rgba(11, 58, 79, .06);
    --shadow-glow: 0 8px 24px rgba(6, 182, 212, .28);

    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;

    --sidebar-w: 252px;
    --topbar-h: 64px;

    --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

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

html { font-size: 14px; }   /* shrinks all rem-based sizes app-wide */

body {
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    line-height: 1.55;
}

a { color: var(--accent-deep); }
a:hover { color: var(--accent); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.01em;
}

::selection { background: var(--accent-soft); color: var(--ink); }

/* ── Decorative aqua gradient mesh used by auth & cover pages ──────────── */
.warm-bg {
    background:
        radial-gradient(1100px 500px at 10% -10%, #bff0fa 0%, transparent 60%),
        radial-gradient(900px 600px at 110% 110%, #ccfbf1 0%, transparent 55%),
        var(--paper);
    min-height: 100vh;
}

/* ───────────── Sidebar (student/dark) ───────────── */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: linear-gradient(180deg, #0b3a4f 0%, #062330 100%);
    display: flex;
    flex-direction: column;
    z-index: 200;
    transition: transform .3s ease;
    border-right: 1px solid rgba(255,255,255,.04);
}

.sidebar-brand {
    padding: 1.25rem 1.4rem;
    display: flex;
    align-items: center;
    gap: .75rem;
    border-bottom: 1px solid rgba(255,255,255,.06);
}

.brand-mark {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--rose) 100%);
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 1.1rem;
    color: #fff;
    box-shadow: var(--shadow-glow);
    flex-shrink: 0;
}

.brand-text {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.01em;
}
.brand-text small {
    display: block;
    font-size: .65rem;
    font-weight: 500;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--accent-soft);
    margin-top: 2px;
}

.sidebar-profile {
    padding: 1rem 1.4rem;
    border-bottom: 1px solid rgba(255,255,255,.06);
    display: flex;
    align-items: center;
    gap: .75rem;
}
.sidebar-profile img {
    width: 42px; height: 42px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent);
    flex-shrink: 0;
}
.profile-name {
    font-size: .9rem;
    font-weight: 600;
    color: #f5e9dc;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.profile-role {
    font-size: .7rem;
    color: var(--accent-soft);
    letter-spacing: .04em;
    margin-top: 2px;
}

.nav-label {
    padding: 1.1rem 1.4rem .4rem;
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: rgba(255,255,255,.35);
}

.sidebar-nav { flex: 1; padding: .25rem .6rem; overflow-y: auto; }
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: .8rem;
    padding: .7rem .85rem;
    margin: 2px 0;
    color: rgba(255,255,255,.65);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
    border-radius: 10px;
    transition: all .18s ease;
}
.sidebar-nav a i { font-size: 1.05rem; width: 18px; flex-shrink: 0; }
.sidebar-nav a:hover {
    color: #fff;
    background: rgba(255,255,255,.06);
}
.sidebar-nav a.active {
    color: #fff;
    background: linear-gradient(135deg, rgba(6,182,212,.25), rgba(20,184,166,.18));
    box-shadow: inset 0 0 0 1px rgba(6,182,212,.4);
}
.sidebar-nav a.active i { color: var(--accent); }

.sidebar-footer {
    padding: 1rem 1.4rem;
    border-top: 1px solid rgba(255,255,255,.06);
}
.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: .65rem;
    color: rgba(255,255,255,.6);
    text-decoration: none;
    font-size: .88rem;
    transition: color .15s;
}
.sidebar-footer a:hover { color: var(--rose); }

/* ───────────── Sidebar (admin/light variant) ───────────── */
.sidebar.sidebar-light {
    background: var(--white);
    border-right: 1px solid var(--border);
}
.sidebar.sidebar-light .sidebar-brand { border-bottom-color: var(--border); }
.sidebar.sidebar-light .brand-text { color: var(--ink); }
.sidebar.sidebar-light .brand-text small { color: var(--accent-deep); }
.sidebar.sidebar-light .nav-label { color: var(--muted); }
.sidebar.sidebar-light .sidebar-nav a { color: var(--muted); }
.sidebar.sidebar-light .sidebar-nav a:hover {
    color: var(--ink);
    background: var(--accent-lt);
}
.sidebar.sidebar-light .sidebar-nav a.active {
    color: var(--ink);
    background: var(--accent-lt);
    box-shadow: inset 0 0 0 1px var(--accent-soft);
    font-weight: 600;
}
.sidebar.sidebar-light .sidebar-nav a.active i { color: var(--accent-deep); }
.sidebar.sidebar-light .sidebar-footer { border-top-color: var(--border); }
.sidebar.sidebar-light .sidebar-footer a { color: var(--muted); }
.sidebar.sidebar-light .sidebar-footer a:hover { color: var(--danger); }

.admin-badge {
    margin: .75rem 1.4rem 0;
    padding: .45rem .8rem;
    background: linear-gradient(135deg, var(--accent), var(--rose));
    color: #fff;
    border-radius: 10px;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    text-align: center;
    box-shadow: var(--shadow-glow);
}

/* ───────────── Main wrapper + topbar ───────────── */
.main-wrapper {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: var(--topbar-h);
    background: rgba(255,255,255,.85);
    backdrop-filter: saturate(160%) blur(10px);
    -webkit-backdrop-filter: saturate(160%) blur(10px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 1.75rem;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.topbar-right { display: flex; align-items: center; gap: .65rem; }

.topbar-btn {
    width: 38px; height: 38px;
    border-radius: 11px;
    border: 1px solid var(--border);
    background: var(--white);
    display: grid;
    place-items: center;
    color: var(--muted);
    cursor: pointer;
    transition: all .15s;
    text-decoration: none;
}
.topbar-btn:hover {
    background: var(--accent-lt);
    color: var(--accent-deep);
    border-color: var(--accent-soft);
    transform: translateY(-1px);
}

.main-content { padding: 1.75rem; flex: 1; }

/* ───────────── Page header helper ───────────── */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.page-header h1 {
    font-size: 1.65rem;
    font-weight: 800;
    margin: 0 0 .25rem 0;
    letter-spacing: -0.02em;
}
.page-header .subtitle {
    color: var(--muted);
    font-size: .9rem;
    margin: 0;
}

/* ───────────── Cards ───────────── */
.card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--ink);
    padding: 1.1rem 1.4rem;
    letter-spacing: -0.01em;
}
.card-body { padding: 1.4rem; }
.card-footer {
    background: transparent;
    border-top: 1px solid var(--border);
    padding: 1rem 1.4rem;
}

/* ───────────── Stat cards ───────────── */
.stat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.4rem 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: transform .18s ease, box-shadow .18s ease;
    position: relative;
    overflow: hidden;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--rose));
    opacity: .8;
}

.stat-label {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: .55rem;
}
.stat-value {
    font-family: var(--font-display);
    font-size: 1.95rem;
    font-weight: 800;
    color: var(--ink);
    line-height: 1;
    letter-spacing: -0.02em;
}
.stat-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 1.15rem;
    background: var(--accent-lt);
    color: var(--accent-deep);
}
.stat-icon.rose { background: #ccfbf1; color: var(--rose); }
.stat-icon.amber { background: #fef3c7; color: var(--warn); }
.stat-icon.teal { background: #ccfbf1; color: var(--teal); }
.stat-icon.ink { background: #efe7df; color: var(--ink); }

/* ───────────── Status badges ───────────── */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .3rem .75rem;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .02em;
    border: 1px solid transparent;
}
.badge-status.paid, .badge-status.success {
    background: var(--success-bg);
    color: var(--success);
    border-color: var(--success-border);
}
.badge-status.unpaid, .badge-status.danger {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: var(--danger-border);
}
.badge-status.pending, .badge-status.warn {
    background: var(--warn-bg);
    color: var(--warn);
    border-color: var(--warn-border);
}
.badge-status.done, .badge-status.info {
    background: var(--info-bg);
    color: var(--info);
    border-color: var(--info-border);
}
.badge-status.accent {
    background: var(--accent-lt);
    color: var(--accent-deep);
    border-color: var(--accent-soft);
}

/* ───────────── Alerts ───────────── */
.alert-float {
    position: fixed;
    top: 1rem; right: 1rem;
    z-index: 9999;
    min-width: 320px;
    max-width: 420px;
}
.vg-alert {
    padding: .9rem 1.15rem;
    border-radius: var(--radius);
    font-size: .9rem;
    display: flex;
    align-items: center;
    gap: .65rem;
    margin-bottom: .55rem;
    border: 1px solid;
    box-shadow: var(--shadow-md);
    animation: slideIn .35s ease;
}
@keyframes slideIn {
    from { transform: translateX(20px); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}
.vg-alert.success {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success);
}
.vg-alert.error {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: var(--danger);
}
.vg-alert.info {
    background: var(--info-bg);
    border-color: var(--info-border);
    color: var(--info);
}
.vg-alert.warn {
    background: var(--warn-bg);
    border-color: var(--warn-border);
    color: var(--warn);
}

/* ───────────── Tables ───────────── */
.table {
    font-size: .9rem;
    color: var(--ink);
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
}
.table th {
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    padding: .85rem 1rem;
    background: var(--paper-2);
    text-align: left;
}
.table td {
    padding: .9rem 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
    color: var(--ink);
}
.table tbody tr:hover { background: var(--accent-lt); }
.table tr:last-child td { border-bottom: none; }
.table.table-striped tbody tr:nth-child(odd) { background: rgba(253,246,238,.4); }
.table.table-striped tbody tr:hover { background: var(--accent-lt); }

/* ───────────── Buttons ───────────── */
.btn-ink, .btn-accent, .btn-ghost, .btn-rose, .btn-soft {
    border: none;
    border-radius: var(--radius);
    padding: .65rem 1.3rem;
    font-family: var(--font-display);
    font-size: .9rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform .12s ease, box-shadow .15s ease, background .15s, color .15s, filter .15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    line-height: 1.2;
    letter-spacing: -0.005em;
    white-space: nowrap;
}
.btn-ink {
    background: var(--ink);
    color: #fff;
}
.btn-ink:hover {
    background: var(--ink-soft);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
    color: #fff;
    box-shadow: var(--shadow-glow);
}
.btn-accent:hover {
    color: #fff;
    transform: translateY(-1px);
    filter: brightness(1.04);
    box-shadow: 0 12px 28px rgba(6,182,212, .35);
}
.btn-rose {
    background: linear-gradient(135deg, var(--rose), #e11d48);
    color: #fff;
}
.btn-rose:hover { color: #fff; transform: translateY(-1px); }

.btn-ghost {
    background: var(--white);
    color: var(--ink);
    border: 1px solid var(--border-strong);
}
.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent-deep);
    background: var(--accent-lt);
    transform: translateY(-1px);
}
.btn-soft {
    background: var(--accent-lt);
    color: var(--accent-deep);
}
.btn-soft:hover { background: var(--accent-soft); color: var(--accent-deep); }

.btn-sm { padding: .45rem .9rem; font-size: .82rem; border-radius: 10px; }
.btn-lg { padding: .85rem 1.6rem; font-size: 1rem; border-radius: 16px; }

.btn-icon {
    width: 36px; height: 36px;
    padding: 0;
    border-radius: 11px;
    background: var(--white);
    color: var(--muted);
    border: 1px solid var(--border);
    cursor: pointer;
    display: inline-grid;
    place-items: center;
    transition: all .15s;
    text-decoration: none;
}
.btn-icon:hover { background: var(--accent-lt); color: var(--accent-deep); border-color: var(--accent-soft); }

/* Bootstrap btn overrides for harmony */
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
    border: none;
    color: #fff;
    border-radius: var(--radius);
    font-weight: 700;
    padding: .6rem 1.25rem;
    box-shadow: var(--shadow-glow);
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--accent-deep);
    border: none;
    filter: brightness(1.05);
    color: #fff;
}
.btn-success { background: var(--success); border: none; border-radius: var(--radius); font-weight: 600; }
.btn-danger  { background: var(--danger);  border: none; border-radius: var(--radius); font-weight: 600; }
.btn-warning { background: var(--warn);    border: none; border-radius: var(--radius); font-weight: 600; color:#fff; }
.btn-secondary { background: var(--ink-soft); border: none; border-radius: var(--radius); font-weight: 600; }
.btn-outline-primary { color: var(--accent-deep); border-color: var(--accent); border-radius: var(--radius); font-weight:600; }
.btn-outline-primary:hover { background: var(--accent); border-color: var(--accent); color:#fff; }
.btn-outline-secondary { border-radius: var(--radius); font-weight: 600; }

/* ───────────── Forms ───────────── */
.form-control, .form-select, input.form-control, textarea.form-control {
    font-family: var(--font-body);
    font-size: .92rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    padding: .7rem .95rem;
    background: var(--white);
    color: var(--ink);
    transition: border-color .15s, box-shadow .15s, background .15s;
    width: 100%;
}
.form-control:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(6,182,212,.15);
    background: var(--white);
    outline: none;
}
.form-control::placeholder { color: var(--muted-2); }
.form-control:disabled, .form-select:disabled {
    background: var(--paper-2);
    color: var(--muted);
    cursor: not-allowed;
}

.form-label, label.form-label {
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .02em;
    color: var(--ink-soft);
    margin-bottom: .4rem;
    display: block;
}

.form-check-input {
    width: 1.1em; height: 1.1em;
    border: 1.5px solid var(--border-strong);
    border-radius: 5px;
    cursor: pointer;
}
.form-check-input:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}
.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(6,182,212,.18);
    border-color: var(--accent);
}

/* Validation helpers */
.validation-msg, .field-validation-error, .text-danger {
    font-size: .78rem;
    color: var(--danger);
    margin-top: .25rem;
    display: block;
}

/* ───────────── Hamburger / mobile ───────────── */
.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--ink);
    cursor: pointer;
    padding: .25rem .5rem;
    border-radius: 8px;
}
.hamburger:hover { background: var(--accent-lt); color: var(--accent-deep); }

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(45, 29, 17, .5);
    backdrop-filter: blur(2px);
    z-index: 199;
}

@media (max-width: 992px) {
    :root { --sidebar-w: 240px; }
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
    .sidebar-overlay.open { display: block; }
    .main-wrapper { margin-left: 0; }
    .hamburger { display: block; }
    .main-content { padding: 1.1rem; }
    .topbar { padding: 0 1rem; }
    .page-header h1 { font-size: 1.35rem; }
}

/* ───────────── DataTables harmony ───────────── */
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    border: 1px solid var(--border-strong) !important;
    border-radius: 10px !important;
    padding: .4rem .75rem !important;
    background: var(--white) !important;
    font-size: .85rem;
}
.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 8px !important;
    margin: 0 2px;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent-deep)) !important;
    color: #fff !important;
    border: none !important;
}

/* ───────────── Misc helpers ───────────── */
.text-muted, .muted { color: var(--muted) !important; }
.text-accent { color: var(--accent-deep) !important; }
.bg-accent-lt { background: var(--accent-lt) !important; }
.divider-soft { height: 1px; background: var(--border); margin: 1.25rem 0; border: 0; }

.chip {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .25rem .65rem;
    border-radius: 999px;
    background: var(--accent-lt);
    color: var(--accent-deep);
    font-size: .75rem;
    font-weight: 600;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--muted);
}
.empty-state i { font-size: 3rem; color: var(--muted-2); margin-bottom: .75rem; display: block; }
.empty-state h3 { color: var(--ink); margin: .5rem 0 .25rem; font-size: 1.1rem; }

/* ── Illustrated empty-state blobs ──────────────────────────────────────────── */
.illust {
    width: 140px; height: 140px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-lt) 0%, #ccfbf1 100%);
    box-shadow: 0 12px 32px rgba(6,182,212,.15);
}
.illust::before {
    content: '';
    position: absolute;
    width: 170px; height: 170px;
    border-radius: 50%;
    border: 2px dashed var(--accent-soft);
    animation: illuSpin 25s linear infinite;
}
@keyframes illuSpin { to { transform: rotate(360deg); } }
.illust i { font-size: 3.2rem; color: var(--accent-deep); z-index: 1; }
.illust .blob {
    position: absolute;
    border-radius: 50%;
    opacity: .6;
}
.illust .blob-1 { width: 28px; height: 28px; background: var(--accent-soft); top: 8px; right: 6px; animation: blobFloat 3s ease-in-out infinite; }
.illust .blob-2 { width: 18px; height: 18px; background: #ccfbf1; bottom: 12px; left: 4px; animation: blobFloat 3.5s ease-in-out infinite .5s; }
.illust .blob-3 { width: 12px; height: 12px; background: var(--accent); top: 30px; left: 10px; animation: blobFloat 4s ease-in-out infinite 1s; }
@keyframes blobFloat {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Modal harmony (Bootstrap) */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
.modal-header { border-bottom: 1px solid var(--border); padding: 1.1rem 1.4rem; }
.modal-title { font-family: var(--font-display); font-weight: 700; }
.modal-footer { border-top: 1px solid var(--border); padding: 1rem 1.4rem; }

/* List groups (Bootstrap) */
.list-group-item {
    border-color: var(--border);
    color: var(--ink);
    padding: .85rem 1.1rem;
}
.list-group-item.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
    border-color: var(--accent-deep);
    color: #fff;
}

/* Nav tabs */
.nav-tabs { border-bottom: 1px solid var(--border); }
.nav-tabs .nav-link {
    color: var(--muted);
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    font-weight: 600;
    padding: .65rem 1rem;
}
.nav-tabs .nav-link:hover { color: var(--accent-deep); border-color: transparent; }
.nav-tabs .nav-link.active {
    color: var(--accent-deep);
    background: transparent;
    border-bottom-color: var(--accent);
}

/* ───────────── Select2 (aqua theme overrides) ───────────── */
.select2-container { width: 100% !important; }
.select2-container--default .select2-selection--single {
    height: auto !important;
    min-height: 42px;
    border: 1px solid var(--border-strong) !important;
    border-radius: var(--radius) !important;
    background: var(--white) !important;
    padding: .35rem .5rem .35rem .55rem;
    font-family: var(--font-body);
    transition: border-color .15s, box-shadow .15s;
}
.select2-container--default.select2-container--focus .select2-selection--single,
.select2-container--default.select2-container--open .select2-selection--single {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 4px rgba(6,182,212,.15);
    outline: none;
}
.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--ink) !important;
    line-height: 32px !important;
    padding-left: .35rem !important;
    padding-right: 1.6rem !important;
    font-size: .92rem;
}
.select2-container--default .select2-selection--single .select2-selection__placeholder {
    color: var(--muted-2) !important;
}
.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 100% !important;
    top: 0 !important;
    right: .5rem !important;
}
.select2-container--default .select2-selection--single .select2-selection__arrow b {
    border-color: var(--muted) transparent transparent transparent !important;
    border-width: 6px 5px 0 5px !important;
    margin-left: -5px !important;
    margin-top: -2px !important;
}
.select2-container--default.select2-container--open .select2-selection--single .select2-selection__arrow b {
    border-color: transparent transparent var(--accent-deep) transparent !important;
    border-width: 0 5px 6px 5px !important;
}

/* Multi-select */
.select2-container--default .select2-selection--multiple {
    min-height: 42px;
    border: 1px solid var(--border-strong) !important;
    border-radius: var(--radius) !important;
    background: var(--white) !important;
    padding: .25rem .4rem;
}
.select2-container--default.select2-container--focus .select2-selection--multiple,
.select2-container--default.select2-container--open .select2-selection--multiple {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 4px rgba(6,182,212,.15);
}
.select2-container--default .select2-selection--multiple .select2-selection__choice {
    background: var(--accent-lt) !important;
    border: 1px solid var(--accent-soft) !important;
    color: var(--accent-deep) !important;
    border-radius: 999px !important;
    padding: .15rem .65rem !important;
    font-size: .8rem;
    font-weight: 600;
    margin-top: 4px !important;
}
.select2-container--default .select2-selection--multiple .select2-selection__choice__remove {
    color: var(--accent-deep) !important;
    margin-right: .35rem !important;
}

/* Dropdown panel */
.select2-container--default .select2-dropdown {
    border: 1px solid var(--border-strong) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-top: 4px;
}
.select2-container--default .select2-search--dropdown .select2-search__field {
    border: 1px solid var(--border-strong) !important;
    border-radius: 10px !important;
    padding: .5rem .75rem !important;
    font-size: .88rem;
    outline: none !important;
}
.select2-container--default .select2-search--dropdown .select2-search__field:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px rgba(6,182,212,.15);
}
.select2-container--default .select2-results__option {
    padding: .55rem .85rem !important;
    font-size: .9rem;
    color: var(--ink);
}
.select2-container--default .select2-results__option--highlighted[aria-selected],
.select2-container--default .select2-results__option--highlighted {
    background: var(--accent-lt) !important;
    color: var(--accent-deep) !important;
}
.select2-container--default .select2-results__option[aria-selected=true] {
    background: var(--white) !important;
    color: var(--accent-deep) !important;
    font-weight: 700;
}
.select2-container--default .select2-results__option--selected {
    background: var(--accent-lt) !important;
}

/* Default z-index — only raise the *open* dropdown so page-level Select2
   containers don't poke through modals (Bootstrap 5 modal backdrop = 1055). */
.select2-container--open { z-index: 1070; }

/* ───────────── Intro.js tour (aqua theme overrides) ───────────── */
.introjs-tooltip {
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-lg) !important;
    border: 1px solid var(--border) !important;
    max-width: 380px;
    font-family: var(--font-body) !important;
}
.introjs-tooltip-title {
    font-family: var(--font-display) !important;
    font-weight: 800 !important;
    font-size: 1.05rem !important;
    color: var(--ink) !important;
}
.introjs-tooltiptext {
    font-size: .9rem !important;
    line-height: 1.55 !important;
    color: var(--ink-soft) !important;
    padding: .5rem 0 !important;
}
.introjs-button {
    border-radius: 10px !important;
    font-family: var(--font-display) !important;
    font-weight: 700 !important;
    font-size: .85rem !important;
    padding: .5rem 1rem !important;
    text-shadow: none !important;
    transition: all .15s !important;
}
.introjs-button:focus { box-shadow: 0 0 0 3px rgba(6,182,212,.2) !important; }
.introjs-nextbutton, .introjs-donebutton {
    background: linear-gradient(135deg, var(--accent), var(--accent-deep)) !important;
    color: #fff !important;
    border: none !important;
    box-shadow: 0 4px 12px rgba(6,182,212,.3) !important;
}
.introjs-nextbutton:hover, .introjs-donebutton:hover {
    filter: brightness(1.06) !important;
    transform: translateY(-1px) !important;
}
.introjs-prevbutton {
    background: var(--white) !important;
    color: var(--ink) !important;
    border: 1px solid var(--border-strong) !important;
}
.introjs-prevbutton:hover {
    border-color: var(--accent) !important;
    color: var(--accent-deep) !important;
}
.introjs-skipbutton {
    color: var(--muted) !important;
    font-weight: 600 !important;
}
.introjs-helperLayer {
    border-radius: var(--radius) !important;
    box-shadow: rgba(11, 58, 79, 0.55) 0px 0px 0px 5000px,
                rgba(6, 182, 212, 0.4) 0px 0px 12px 2px !important;
}
.introjs-arrow.top { border-bottom-color: #fff !important; }
.introjs-arrow.bottom { border-top-color: #fff !important; }
.introjs-arrow.left { border-right-color: #fff !important; }
.introjs-arrow.right { border-left-color: #fff !important; }
.introjs-progressbar {
    background: linear-gradient(90deg, var(--accent), var(--accent-deep)) !important;
}
.introjs-progress { background: var(--paper-2) !important; border-radius: 999px !important; height: 4px !important; }
.introjs-bullets ul li a.active { background: var(--accent) !important; }

/* ── Lazy-loaded doc thumbnails ─────────────────────────────────────────────── */
img[loading="lazy"] {
    background: var(--paper-2);
    transition: opacity .3s ease;
}
img.doc-thumb {
    width: 56px; height: 56px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: transform .15s, box-shadow .15s;
    background: var(--paper-2);
}
img.doc-thumb:hover { transform: scale(1.05); box-shadow: var(--shadow-md); }

/* ── Button loading state (double-click guard) ─────────────────────────────── */
button.is-loading, a.is-loading {
    pointer-events: none !important;
    opacity: .7 !important;
    position: relative !important;
}
button.is-loading::after, a.is-loading::after {
    content: '';
    position: absolute;
    width: 16px; height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin .6s linear infinite;
    right: .75rem;
    top: calc(50% - 8px);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Print niceties */
@media print {
    .sidebar, .topbar, .hamburger, .alert-float { display: none !important; }
    .main-wrapper { margin-left: 0 !important; }
    .main-content { padding: 0 !important; }
    body { background: #fff !important; }
}