/* ============================================================
   FMCSMS — Stylesheet  |  Light default, Dark-mode toggle
   ============================================================ */

/* ── Light mode (default) ──────────────────────────────────── */
:root {
    --bg-primary:     #f1f5f9;
    --bg-secondary:   #ffffff;
    --bg-card:        rgba(255, 255, 255, 0.85);
    --bg-input:       #f8fafc;
    --border:         rgba(99, 102, 241, 0.15);
    --border-hover:   rgba(99, 102, 241, 0.35);
    --accent:         #6366f1;
    --accent-light:   #818cf8;
    --accent-glow:    rgba(99, 102, 241, 0.12);
    --text-primary:   #0f172a;
    --text-secondary: #475569;
    --text-muted:     #64748b;
    --text-dim:       #94a3b8;
    --success:        #059669;
    --success-bg:     rgba(5, 150, 105, 0.1);
    --success-border: rgba(5, 150, 105, 0.25);
    --danger:         #dc2626;
    --danger-light:   #ef4444;
    --danger-bg:      rgba(220, 38, 38, 0.08);
    --danger-border:  rgba(220, 38, 38, 0.2);
    --warning:        #d97706;
    --warning-bg:     rgba(217, 119, 6, 0.1);
    --warning-border: rgba(217, 119, 6, 0.25);
    --shadow:         0 4px 24px rgba(15, 23, 42, 0.08);
    --shadow-lg:      0 20px 50px rgba(15, 23, 42, 0.12);
    --radius:         12px;
    --radius-lg:      16px;
    --radius-xl:      20px;
    --topbar-bg:      rgba(255, 255, 255, 0.9);
    --glow-opacity:   0.06;
    --bg-item-card:   rgba(248, 250, 252, 0.8);
    --bg-req-form:    rgba(241, 245, 249, 0.7);
    --bg-stat-card:   rgba(255, 255, 255, 0.7);
    --bg-quick-guide: rgba(248, 250, 252, 0.9);
    --bg-code:        #f1f5f9;
    --code-color:     #6366f1;
    --modal-bg:       #ffffff;
    --scrollbar-track:#f1f5f9;
    --scrollbar-thumb:#c7d2fe;
    color-scheme: light;
}

/* ── Dark mode ─────────────────────────────────────────────── */
[data-theme="dark"] {
    --bg-primary:     #0f172a;
    --bg-secondary:   #1e293b;
    --bg-card:        rgba(30, 41, 59, 0.75);
    --bg-input:       rgba(15, 23, 42, 0.6);
    --border:         rgba(99, 102, 241, 0.15);
    --border-hover:   rgba(99, 102, 241, 0.3);
    --accent:         #6366f1;
    --accent-light:   #818cf8;
    --accent-glow:    rgba(99, 102, 241, 0.15);
    --text-primary:   #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted:     #64748b;
    --text-dim:       #475569;
    --success:        #34d399;
    --success-bg:     rgba(52, 211, 153, 0.15);
    --success-border: rgba(52, 211, 153, 0.3);
    --danger:         #f87171;
    --danger-light:   #fca5a5;
    --danger-bg:      rgba(248, 113, 113, 0.1);
    --danger-border:  rgba(248, 113, 113, 0.25);
    --warning:        #fbbf24;
    --warning-bg:     rgba(251, 191, 36, 0.15);
    --warning-border: rgba(251, 191, 36, 0.3);
    --shadow:         0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg:      0 25px 60px rgba(0, 0, 0, 0.4);
    --topbar-bg:      rgba(30, 41, 59, 0.92);
    --glow-opacity:   0.12;
    --bg-item-card:   rgba(30, 41, 59, 0.6);
    --bg-req-form:    rgba(30, 41, 59, 0.5);
    --bg-stat-card:   rgba(30, 41, 59, 0.6);
    --bg-quick-guide: rgba(30, 41, 59, 0.5);
    --bg-code:        var(--bg-input);
    --code-color:     var(--accent-light);
    --modal-bg:       var(--bg-secondary);
    --scrollbar-track:#1e293b;
    --scrollbar-thumb:#4f46e5;
    color-scheme: dark;
}

/* ── Transitions for mode switch ───────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box; margin: 0; padding: 0;
    transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

/* ── Base ───────────────────────────────────────────────────── */
body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }

/* ── Animated Glow Background ──────────────────────────────── */
.bg-glow {
    position: fixed; inset: 0;
    pointer-events: none; z-index: 0; overflow: hidden;
}
.bg-glow::before, .bg-glow::after {
    content: ''; position: absolute; border-radius: 50%;
    filter: blur(120px); opacity: var(--glow-opacity);
    animation: bgFloat 20s ease-in-out infinite;
}
.bg-glow::before { width: 600px; height: 600px; background: var(--accent); top: -200px; left: -100px; }
.bg-glow::after  { width: 500px; height: 500px; background: #06b6d4; bottom: -150px; right: -100px; animation-delay: -10s; }
@keyframes bgFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50%       { transform: translateY(40px) scale(1.1); }
}

/* ── Centered Layout ────────────────────────────────────────── */
.page-center {
    position: relative; z-index: 1;
    min-height: 100vh; display: flex;
    align-items: center; justify-content: center;
    padding: 40px 20px;
}
.page-center .container      { width: 100%; max-width: 480px; }
.page-center .container.wide { max-width: 560px; }

/* ── Card ───────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}
.card-sm { padding: 32px; }

/* ── Typography ─────────────────────────────────────────────── */
.text-center { text-align: center; }
.logo {
    font-size: 2rem; font-weight: 800;
    margin-bottom: 8px; letter-spacing: -0.02em;
}
.logo span {
    background: linear-gradient(135deg, var(--accent-light), #06b6d4);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.subtitle { color: var(--text-muted); font-size: 0.85rem; }
h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: 4px; }

/* ── Forms ──────────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block; font-size: 0.78rem; font-weight: 600;
    color: var(--text-secondary); text-transform: uppercase;
    letter-spacing: 0.06em; margin-bottom: 6px;
}
.form-group label .req { color: var(--danger); margin-left: 2px; }
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%; padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 10px; color: var(--text-primary);
    font-size: 0.9rem; font-family: 'Inter', sans-serif;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group .hint { font-size: 0.72rem; color: var(--text-dim); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Buttons ─────────────────────────────────────────────────  */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 6px; padding: 10px 20px; border-radius: 10px;
    font-size: 0.85rem; font-weight: 600; cursor: pointer;
    border: 1px solid transparent; font-family: 'Inter', sans-serif;
    transition: all 0.2s; text-decoration: none;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: white; border: none;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 25px rgba(99,102,241,0.3); }
.btn-full { width: 100%; padding: 13px; font-size: 0.95rem; }
.btn-success { background: var(--success-bg); border-color: var(--success-border); color: var(--success); }
.btn-success:hover { background: rgba(5,150,105,0.18); }
[data-theme="dark"] .btn-success:hover { background: rgba(52,211,153,0.25); }
.btn-danger  { background: var(--danger-bg); border-color: var(--danger-border); color: var(--danger); }
.btn-danger:hover  { background: rgba(220,38,38,0.15); }
[data-theme="dark"] .btn-danger:hover  { background: rgba(248,113,113,0.2); }
.btn-warning { background: var(--warning-bg); border-color: var(--warning-border); color: var(--warning); }
.btn-warning:hover { background: rgba(217,119,6,0.18); }
[data-theme="dark"] .btn-warning:hover { background: rgba(251,191,36,0.25); }
.btn-ghost   { background: rgba(148,163,184,0.1); border-color: rgba(148,163,184,0.2); color: var(--text-secondary); }
.btn-ghost:hover { background: rgba(148,163,184,0.2); }
.btn-sm { padding: 6px 14px; font-size: 0.78rem; border-radius: 8px; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none !important; }

/* ── Theme Toggle Button ────────────────────────────────────── */
.theme-toggle {
    width: 36px; height: 36px; border-radius: 10px;
    background: var(--bg-input); border: 1px solid var(--border);
    color: var(--text-secondary); cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    transition: all 0.2s; flex-shrink: 0;
}
.theme-toggle:hover {
    border-color: var(--accent); color: var(--accent);
    background: var(--accent-glow);
}
/* Show sun in dark, moon in light */
.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun  { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }

/* ── Alerts ──────────────────────────────────────────────────  */
.alert {
    padding: 14px 18px; border-radius: var(--radius);
    font-size: 0.85rem; margin-bottom: 20px; line-height: 1.5;
    display: flex; align-items: flex-start; gap: 10px;
}
.alert-icon { flex-shrink: 0; margin-top: 1px; }
.alert-success { background: var(--success-bg); border: 1px solid var(--success-border); color: var(--success); }
.alert-error   { background: var(--danger-bg);  border: 1px solid var(--danger-border);  color: var(--danger-light); }
.alert-warning { background: var(--warning-bg); border: 1px solid var(--warning-border); color: var(--warning); }

/* ── Status Badges ───────────────────────────────────────────  */
.badge {
    display: inline-block; padding: 4px 12px;
    border-radius: 20px; font-size: 0.72rem;
    font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.04em;
}
.badge-pending  { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }
.badge-approved { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.badge-rejected { background: var(--danger-bg);  color: var(--danger);  border: 1px solid var(--danger-border); }
.badge-revoked  { background: rgba(148,163,184,0.15); color: var(--text-secondary); border: 1px solid rgba(148,163,184,0.3); }

/* ── Top Bar ─────────────────────────────────────────────────  */
.topbar {
    background: var(--topbar-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 14px 32px; display: flex; flex-wrap: wrap;
    align-items: center; justify-content: space-between;
    position: sticky; top: 0; z-index: 100;
    box-shadow: var(--shadow);
}
.topbar h1 {
    font-size: 1.15rem; font-weight: 700;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.topbar-search {
    flex: 1; max-width: 400px; min-width: 250px; margin: 0 24px; position: relative;
}
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-right span { font-size: 0.85rem; color: var(--text-secondary); }

/* ── Links ───────────────────────────────────────────────────  */
.link { color: var(--accent); text-decoration: none; font-weight: 500; }
.link:hover { text-decoration: underline; }

/* ── API Key Display ─────────────────────────────────────────  */
.api-key-box {
    background: var(--bg-input); border: 1px solid var(--success-border);
    border-radius: 10px; padding: 14px 18px;
    display: flex; align-items: center;
    justify-content: space-between; gap: 12px;
    margin: 12px 0;
}
.api-key-box code {
    font-family: 'Courier New', monospace;
    color: var(--success); font-size: 0.85rem;
    word-break: break-all;
}
.btn-copy {
    padding: 6px 14px; background: var(--success-bg);
    border: 1px solid var(--success-border); border-radius: 6px;
    color: var(--success); cursor: pointer; font-size: 0.72rem;
    font-weight: 600; white-space: nowrap;
    font-family: 'Inter', sans-serif; transition: background 0.2s;
    display: inline-flex; align-items: center; gap: 4px;
}
.btn-copy:hover { background: rgba(5,150,105,0.2); }
[data-theme="dark"] .btn-copy:hover { background: rgba(52,211,153,0.25); }

/* ── Stats Grid ──────────────────────────────────────────────  */
.stats-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px; padding: 20px 32px;
}
.stat-card {
    background: var(--bg-stat-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px;
    text-align: center; transition: border-color 0.2s, transform 0.15s;
    box-shadow: var(--shadow);
}
.stat-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.stat-value { font-size: 1.8rem; font-weight: 700; line-height: 1; margin-bottom: 4px; }
.stat-label { font-size: 0.72rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }



/* ── Content Area ────────────────────────────────────────────  */
.content { padding: 0 32px 40px; }

/* ── Client/User Cards ───────────────────────────────────────  */
.item-card {
    background: var(--bg-item-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px;
    margin-bottom: 14px; transition: border-color 0.2s, box-shadow 0.2s;
    box-shadow: var(--shadow);
}
.item-card:hover { border-color: var(--border-hover); box-shadow: 0 8px 30px rgba(99,102,241,0.1); }
.item-header {
    display: flex; justify-content: space-between;
    align-items: flex-start; margin-bottom: 14px;
    flex-wrap: wrap; gap: 10px;
}
.item-header h3 { font-size: 1.05rem; font-weight: 600; }
.item-meta { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }
.item-details {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px; margin-bottom: 14px;
}
.detail .label {
    color: var(--text-muted); font-size: 0.68rem;
    text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 2px;
}
.detail .value { color: var(--text-secondary); font-size: 0.85rem; word-break: break-all; }
.item-actions {
    display: flex; gap: 8px; flex-wrap: wrap;
    margin-top: 14px; padding-top: 14px;
    border-top: 1px solid var(--border);
}

/* ── Modal ───────────────────────────────────────────────────  */
.modal-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.4); backdrop-filter: blur(4px);
    z-index: 200; align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal {
    background: var(--modal-bg); border: 1px solid var(--border-hover);
    border-radius: var(--radius-xl); padding: 32px;
    max-width: 480px; width: 90%;
    box-shadow: var(--shadow-lg);
}
.modal h3 { margin-bottom: 12px; font-size: 1.1rem; }
.modal textarea {
    width: 100%; min-height: 80px; padding: 12px;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: 8px; color: var(--text-primary);
    font-family: 'Inter', sans-serif; font-size: 0.85rem;
    resize: vertical; margin-bottom: 16px;
}
.modal textarea:focus { outline: none; border-color: var(--accent); }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ── Dashboard-specific ─────────────────────────────────────── */
.welcome-section { padding: 28px 32px 0; }
.welcome-section h2 { font-size: 1.4rem; margin-bottom: 4px; }
.welcome-section p  { color: var(--text-secondary); font-size: 0.88rem; }
.section-title {
    font-size: 1rem; font-weight: 700;
    color: var(--text-primary); margin-bottom: 14px;
    display: flex; align-items: center; gap: 8px;
}
.request-form-card {
    background: var(--bg-req-form);
    border: 1px dashed rgba(99,102,241,0.25);
    border-radius: var(--radius-lg); padding: 28px; margin-bottom: 20px;
}
.quick-guide {
    background: var(--bg-quick-guide); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 24px; margin-bottom: 20px;
}
.quick-guide h4 {
    font-size: 0.85rem; font-weight: 700;
    color: var(--text-primary); margin-bottom: 12px;
}
.code-block {
    background: var(--bg-code); border: 1px solid var(--border);
    border-radius: 8px; padding: 16px;
    font-family: 'Courier New', monospace;
    font-size: 0.78rem; color: var(--code-color);
    overflow-x: auto; white-space: pre; line-height: 1.6;
}
.usage-bar {
    display: flex; gap: 20px; font-size: 0.8rem;
    color: var(--text-muted); margin-top: 8px; flex-wrap: wrap;
}
.usage-bar strong { color: var(--accent); }

/* ── Purpose box (admin/dashboard) ─────────────────────────── */
.purpose-box {
    background: var(--bg-input); border-radius: 8px;
    padding: 12px 16px; margin-bottom: 12px;
    font-size: 0.85rem; color: var(--text-secondary);
}
.purpose-box strong { color: var(--text-primary); }

/* ── Empty State ─────────────────────────────────────────────  */
.empty-state {
    text-align: center; padding: 50px 20px; color: var(--text-muted);
}
.empty-state .icon {
    display: flex; justify-content: center;
    margin-bottom: 12px; color: var(--text-dim);
}

/* ── Spinner ─────────────────────────────────────────────────  */
.spinner {
    display: inline-block; width: 16px; height: 16px;
    border: 2px solid rgba(99,102,241,0.3);
    border-top-color: var(--accent); border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle; margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Footer ──────────────────────────────────────────────────  */
.footer {
    text-align: center; margin-top: 28px;
    font-size: 0.72rem; color: var(--text-dim);
}
.footer a { color: var(--accent); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* ── Responsive ──────────────────────────────────────────────  */
@media (max-width: 950px) {
    .topbar { flex-wrap: nowrap; gap: 8px; }
    .topbar-search  { margin: 0; flex: 1; min-width: 0; max-width: none; }
}
@media (max-width: 768px) {
    .topbar         { padding: 12px 16px; }
    .stats-grid     { padding: 16px; grid-template-columns: repeat(2, 1fr); }
    .content        { padding: 0 16px 40px; }
    .welcome-section{ padding: 20px 16px 0; }
    .form-row       { grid-template-columns: 1fr; }
    .card           { padding: 28px 22px; }
    .topbar-right span { display: none; }
}

/* ════════════════════════════════════════════════════════════════ */
/* ── MOBILE-FIRST SIDEBAR LAYOUT ───────────────────────────────── */
/* ════════════════════════════════════════════════════════════════ */

.dashboard-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
    position: relative;
    background: var(--bg-primary);
}

/* Base Mobile Sidebar (Hidden by default) */
.sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 270px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--border);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.sidebar.active {
    transform: translateX(0);
}

.sidebar-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-nav {
    flex: 1;
    padding: 24px 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-label {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    margin: 8px 8px 6px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: all 0.2s ease;
}
.sidebar-link:hover {
    background: var(--bg-input);
    color: var(--text-primary);
    transform: translateX(4px);
}
.sidebar-link.active {
    background: rgba(99,102,241,0.12);
    color: var(--accent);
    font-weight: 600;
    border: 1px solid rgba(99,102,241,0.2);
}

.sidebar-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border);
    background: var(--bg-input);
}
.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.sidebar-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    width: 100vw;
    height: 100vh;
    overflow-y: auto;
}

.d-md-none { display: inline-flex; align-items: center; justify-content: center; cursor: pointer; }

/* Desktop overrides using min-width (Mobile-First approach) */
@media (min-width: 950px) {
    .sidebar {
        position: relative; /* Lock to screen flow */
        transform: translateX(0);
        z-index: 10;
        box-shadow: 4px 0 24px rgba(0,0,0,0.03);
    }
    .sidebar-backdrop {
        display: none !important;
    }
    .main-wrapper {
        width: auto;
    }
    .d-md-none { display: none !important; }
}

/* ── Pagination ──────────────────────────────────────────────  */
.pagination {
    display: flex; align-items: center; justify-content: center;
    gap: 8px; margin-top: 24px; padding-top: 20px;
    border-top: 1px solid var(--border);
}
.page-btn {
    padding: 8px 16px; border: 1px solid var(--border);
    background: var(--bg-card); border-radius: 8px;
    font-size: 0.85rem; font-weight: 500; color: var(--text-secondary);
    text-decoration: none; transition: all 0.2s;
    display: inline-flex; align-items: center; justify-content: center;
}
.page-btn:hover:not(.disabled) {
    background: var(--bg-input); color: var(--text-primary);
    border-color: var(--border-hover);
}
.page-btn.disabled {
    opacity: 0.5; pointer-events: none;
}
.page-info {
    font-size: 0.85rem; font-weight: 500; color: var(--text-secondary);
    margin: 0 12px;
}

/* ── Theme toggle script helper ─────────────────────────────── */
/* Applied by JS: adds data-theme="dark" to <html> */