/* ============================================================
   NUMBER ANALYTICS — Dark Futuristik Glassmorphism Theme
   ============================================================ */

:root {
    --na-bg-1: #0a0e1a;
    --na-bg-2: #0f172a;
    --na-bg-3: #111827;
    --na-card: rgba(255, 255, 255, 0.045);
    --na-card-border: rgba(255, 255, 255, 0.09);
    --na-text: #e2e8f0;
    --na-muted: #94a3b8;
    --na-primary: #22d3ee;
    --na-secondary: #a78bfa;
    --na-accent: #f472b6;
    --na-success: #34d399;
    --na-warning: #fbbf24;
    --na-danger: #f87171;
    --na-gradient: linear-gradient(135deg, #22d3ee 0%, #a78bfa 55%, #f472b6 100%);
    --na-radius: 18px;
    --na-shadow: 0 10px 40px rgba(2, 6, 23, 0.55);
    --na-font: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
}

* { scrollbar-width: thin; scrollbar-color: rgba(148, 163, 184, 0.35) transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: rgba(148, 163, 184, 0.35); border-radius: 8px; }
*::-webkit-scrollbar-track { background: transparent; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--na-font);
    color: var(--na-text);
    min-height: 100vh;
    background:
        radial-gradient(1100px 600px at 85% -10%, rgba(167, 139, 250, 0.16), transparent 60%),
        radial-gradient(900px 500px at -10% 20%, rgba(34, 211, 238, 0.13), transparent 55%),
        radial-gradient(800px 600px at 50% 110%, rgba(244, 114, 182, 0.10), transparent 60%),
        linear-gradient(160deg, var(--na-bg-1) 0%, var(--na-bg-2) 45%, var(--na-bg-3) 100%);
    background-attachment: fixed;
    overflow-x: hidden;
}

/* ---------- Navbar ---------- */
.na-navbar {
    background: rgba(10, 14, 26, 0.72);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--na-card-border);
    transition: box-shadow 0.3s ease;
    z-index: 1030;
}
.na-navbar.scrolled { box-shadow: 0 8px 30px rgba(2, 6, 23, 0.6); }

.na-brand {
    font-weight: 800;
    letter-spacing: 1.5px;
    font-size: 1.15rem;
    color: var(--na-text) !important;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.na-brand .brand-icon {
    width: 38px; height: 38px;
    display: grid; place-items: center;
    border-radius: 12px;
    background: var(--na-gradient);
    color: #0a0e1a;
    font-size: 1.05rem;
    box-shadow: 0 6px 18px rgba(34, 211, 238, 0.35);
}
.na-brand .brand-text {
    background: var(--na-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.na-nav .nav-link {
    color: var(--na-muted);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.5rem 0.9rem;
    border-radius: 10px;
    transition: all 0.25s ease;
    position: relative;
}
.na-nav .nav-link:hover,
.na-nav .nav-link.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}
.na-nav .nav-link.active::after {
    content: '';
    position: absolute;
    left: 0.9rem; right: 0.9rem; bottom: 2px;
    height: 2px;
    border-radius: 2px;
    background: var(--na-gradient);
}

/* ---------- Glass Card ---------- */
.na-card {
    background: var(--na-card);
    border: 1px solid var(--na-card-border);
    border-radius: var(--na-radius);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: var(--na-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.na-card.hoverable:hover {
    transform: translateY(-4px);
    border-color: rgba(34, 211, 238, 0.35);
    box-shadow: 0 16px 50px rgba(2, 6, 23, 0.7);
}
.na-card .card-head {
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid var(--na-card-border);
    display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
}
.na-card .card-body { padding: 1.25rem; }

/* ---------- Typography ---------- */
.na-title {
    background: var(--na-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
    letter-spacing: 0.5px;
}
.na-subtitle { color: var(--na-muted); font-weight: 500; }

.gradient-text {
    background: var(--na-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ---------- Buttons ---------- */
.na-btn {
    border: none;
    border-radius: 12px;
    font-weight: 700;
    letter-spacing: 0.4px;
    padding: 0.65rem 1.4rem;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}
.na-btn-primary {
    background: var(--na-gradient);
    color: #0a0e1a;
    box-shadow: 0 8px 24px rgba(34, 211, 238, 0.35);
}
.na-btn-primary:hover { color: #0a0e1a; transform: translateY(-2px); box-shadow: 0 12px 32px rgba(167, 139, 250, 0.45); }
.na-btn-outline {
    background: transparent;
    border: 1px solid var(--na-card-border);
    color: var(--na-text);
}
.na-btn-outline:hover { border-color: var(--na-primary); color: var(--na-primary); background: rgba(34, 211, 238, 0.08); }
.na-btn-danger { background: rgba(248, 113, 113, 0.15); border: 1px solid rgba(248, 113, 113, 0.4); color: var(--na-danger); }
.na-btn-danger:hover { background: rgba(248, 113, 113, 0.25); color: #fff; }

/* ---------- Form controls ---------- */
.na-input, .na-select, .na-textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--na-card-border);
    border-radius: 12px;
    color: var(--na-text);
    padding: 0.65rem 0.9rem;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
    width: 100%;
}
.na-input:focus, .na-select:focus, .na-textarea:focus {
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--na-primary);
    box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.12);
    color: #fff;
    outline: none;
}
.na-input::placeholder, .na-textarea::placeholder { color: #64748b; }
.na-select option { background: #111827; color: var(--na-text); }
label.na-label { color: var(--na-muted); font-size: 0.85rem; font-weight: 600; letter-spacing: 0.3px; }

/* ---------- Tables ---------- */
.na-table { color: var(--na-text); --bs-table-bg: transparent; --bs-table-color: var(--na-text); }
.na-table thead th {
    color: var(--na-muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    border-bottom: 1px solid var(--na-card-border);
    background: rgba(255, 255, 255, 0.03);
    padding: 0.85rem 0.9rem;
    white-space: nowrap;
}
.na-table tbody td { border-color: rgba(255, 255, 255, 0.05); padding: 0.8rem 0.9rem; vertical-align: middle; }
.na-table tbody tr { transition: background 0.2s ease; }
.na-table tbody tr:hover { background: rgba(255, 255, 255, 0.04); }

.digit-badge {
    font-family: 'Consolas', 'Menlo', monospace;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.14), rgba(167, 139, 250, 0.14));
    border: 1px solid rgba(34, 211, 238, 0.3);
    color: #fff;
    border-radius: 10px;
    padding: 0.3rem 0.75rem;
    display: inline-block;
    min-width: 64px;
    text-align: center;
}
.score-pill {
    display: inline-block;
    min-width: 58px;
    text-align: center;
    font-weight: 700;
    border-radius: 999px;
    padding: 0.25rem 0.6rem;
    font-size: 0.85rem;
    background: rgba(52, 211, 153, 0.12);
    color: var(--na-success);
    border: 1px solid rgba(52, 211, 153, 0.3);
}
.score-pill.low { background: rgba(251, 191, 36, 0.1); color: var(--na-warning); border-color: rgba(251, 191, 36, 0.3); }

/* ---------- Stat cards ---------- */
.stat-card { position: relative; overflow: hidden; }
.stat-card .stat-icon {
    width: 52px; height: 52px;
    display: grid; place-items: center;
    border-radius: 14px;
    font-size: 1.35rem;
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.16), rgba(167, 139, 250, 0.16));
    border: 1px solid rgba(34, 211, 238, 0.25);
    color: var(--na-primary);
}
.stat-card .stat-value { font-size: 1.9rem; font-weight: 800; letter-spacing: 0.5px; }
.stat-card .stat-label { color: var(--na-muted); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.6px; text-transform: uppercase; }
.stat-card::before {
    content: '';
    position: absolute;
    top: -40px; right: -40px;
    width: 140px; height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.12), transparent 70%);
    pointer-events: none;
}

/* ---------- Hero ---------- */
.na-hero { padding: 4.5rem 0 3rem; text-align: center; position: relative; }
.na-hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: 1px; }
.na-hero .hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--na-card-border);
    border-radius: 999px;
    padding: 0.4rem 1rem;
    color: var(--na-muted);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
}

/* ---------- Skeleton ---------- */
.skeleton {
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 10px;
}
.skeleton::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.09), transparent);
    animation: na-shimmer 1.4s infinite;
}
@keyframes na-shimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }

/* ---------- Animations ---------- */
@keyframes na-fade-up {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: na-fade-up 0.55s ease both; }
.fade-up-1 { animation-delay: 0.05s; }
.fade-up-2 { animation-delay: 0.12s; }
.fade-up-3 { animation-delay: 0.2s; }
.fade-up-4 { animation-delay: 0.28s; }

@keyframes na-pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.35); }
    50% { box-shadow: 0 0 0 10px rgba(34, 211, 238, 0); }
}
.pulse-glow { animation: na-pulse-glow 2.2s infinite; }

@keyframes na-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.na-float { animation: na-float 5s ease-in-out infinite; }

/* ---------- Toast ---------- */
.na-toast-container { position: fixed; top: 1rem; right: 1rem; z-index: 2000; display: flex; flex-direction: column; gap: 0.6rem; }
.na-toast {
    min-width: 300px;
    background: rgba(17, 24, 39, 0.92);
    backdrop-filter: blur(16px);
    border: 1px solid var(--na-card-border);
    border-radius: 14px;
    color: var(--na-text);
    box-shadow: 0 14px 40px rgba(2, 6, 23, 0.6);
    animation: na-fade-up 0.35s ease;
    overflow: hidden;
}
.na-toast .toast-bar { height: 3px; width: 100%; }
.na-toast.success .toast-bar { background: var(--na-success); }
.na-toast.error .toast-bar { background: var(--na-danger); }
.na-toast.info .toast-bar { background: var(--na-primary); }
.na-toast.warning .toast-bar { background: var(--na-warning); }

/* ---------- Modal ---------- */
.na-modal .modal-content {
    background: rgba(17, 24, 39, 0.96);
    backdrop-filter: blur(20px);
    border: 1px solid var(--na-card-border);
    border-radius: 20px;
    color: var(--na-text);
    box-shadow: 0 20px 60px rgba(2, 6, 23, 0.8);
}
.na-modal .modal-header, .na-modal .modal-footer { border-color: var(--na-card-border); }

/* ---------- Pagination ---------- */
.pagination .page-link {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--na-card-border);
    color: var(--na-text);
    margin: 0 0.2rem;
    border-radius: 10px !important;
    transition: all 0.2s ease;
}
.pagination .page-link:hover { background: rgba(34, 211, 238, 0.12); color: var(--na-primary); }
.pagination .page-item.active .page-link { background: var(--na-gradient); border-color: transparent; color: #0a0e1a; font-weight: 700; }
.pagination .page-item.disabled .page-link { color: #475569; background: transparent; }

/* ---------- Footer ---------- */
.na-footer {
    border-top: 1px solid var(--na-card-border);
    background: rgba(10, 14, 26, 0.6);
    backdrop-filter: blur(14px);
    padding: 2.2rem 0;
    margin-top: 4rem;
    color: var(--na-muted);
}
.na-footer .disclaimer-box {
    background: rgba(251, 191, 36, 0.06);
    border: 1px solid rgba(251, 191, 36, 0.22);
    border-radius: 14px;
    padding: 0.9rem 1.1rem;
    font-size: 0.85rem;
    color: #fde68a;
}

/* ---------- Admin sidebar ---------- */
.na-sidebar {
    min-height: 100vh;
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(18px);
    border-right: 1px solid var(--na-card-border);
}
.na-sidebar .nav-link {
    color: var(--na-muted);
    font-weight: 600;
    border-radius: 12px;
    padding: 0.65rem 1rem;
    margin-bottom: 0.25rem;
    transition: all 0.2s ease;
    display: flex; align-items: center; gap: 0.7rem;
}
.na-sidebar .nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
.na-sidebar .nav-link.active {
    color: #0a0e1a;
    background: var(--na-gradient);
    font-weight: 700;
}

/* ---------- Misc ---------- */
.chart-box { position: relative; height: 320px; }
.chart-box-sm { position: relative; height: 240px; }
.text-muted-na { color: var(--na-muted) !important; }
.bg-gradient-chip {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(167, 139, 250, 0.12));
    border: 1px solid rgba(34, 211, 238, 0.25);
    color: var(--na-text);
    border-radius: 999px;
    padding: 0.3rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 600;
}
.disclaimer-note {
    background: rgba(251, 191, 36, 0.05);
    border-left: 3px solid var(--na-warning);
    border-radius: 0 12px 12px 0;
    padding: 0.8rem 1rem;
    color: #fcd34d;
    font-size: 0.88rem;
}
.badge-role-admin { background: rgba(244, 114, 182, 0.15); color: var(--na-accent); border: 1px solid rgba(244, 114, 182, 0.35); }
.badge-role-user { background: rgba(34, 211, 238, 0.12); color: var(--na-primary); border: 1px solid rgba(34, 211, 238, 0.3); }

@media (max-width: 991.98px) {
    .na-nav .nav-link { padding: 0.55rem 0.9rem; }
    .na-hero { padding: 3rem 0 2rem; }
}