:root {
    --maskfi-bg: #0c1118;
    --maskfi-panel: #151b24;
    --maskfi-panel-2: #1b2230;
    --maskfi-line: #2b3444;
    --maskfi-text: #f5f7fb;
    --maskfi-muted: #9aa6b8;
    --maskfi-green: #35e27b;
    --maskfi-blue: #4f8cff;
    --maskfi-gold: #f4b840;
    --maskfi-red: #ff6575;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at 15% 0%, rgba(79, 140, 255, .16), transparent 28rem),
        radial-gradient(circle at 90% 20%, rgba(53, 226, 123, .10), transparent 28rem),
        var(--maskfi-bg);
    color: var(--maskfi-text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    letter-spacing: 0;
}

a { color: inherit; }

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.5rem;
}

.auth-card,
.panel,
.stat-card,
.table-shell {
    background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.018)), var(--maskfi-panel);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 8px;
    box-shadow: 0 18px 45px rgba(0,0,0,.24);
}

.auth-card {
    width: min(100%, 430px);
    padding: 2rem;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border: 1px solid rgba(53, 226, 123, .65);
    border-radius: 8px;
    display: grid;
    place-items: center;
    color: var(--maskfi-green);
    font-weight: 800;
}

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 270px;
    flex: 0 0 270px;
    background: rgba(12, 17, 24, .86);
    border-right: 1px solid rgba(255,255,255,.08);
    padding: 1.25rem;
    position: sticky;
    top: 0;
    height: 100vh;
}

.main {
    flex: 1;
    min-width: 0;
    padding: 1.5rem;
}

.nav-pill {
    display: flex;
    align-items: center;
    gap: .75rem;
    min-height: 44px;
    padding: .65rem .8rem;
    color: var(--maskfi-muted);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: .35rem;
}

.nav-pill:hover,
.nav-pill.active {
    color: var(--maskfi-text);
    background: rgba(79, 140, 255, .12);
    border: 1px solid rgba(79, 140, 255, .20);
}

.nav-icon {
    width: 22px;
    height: 22px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 6px;
    font-size: .78rem;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.text-muted-2 { color: var(--maskfi-muted); }
.panel { padding: 1.25rem; }
.stat-card { padding: 1.1rem; min-height: 126px; }

.stat-value {
    font-size: clamp(1.6rem, 2.3vw, 2.15rem);
    font-weight: 800;
}

.table-shell { overflow: hidden; }
.table { --bs-table-bg: transparent; --bs-table-color: var(--maskfi-text); --bs-table-border-color: rgba(255,255,255,.08); margin-bottom: 0; }
.table thead th { color: var(--maskfi-muted); font-size: .78rem; font-weight: 700; text-transform: uppercase; }
.table td, .table th { padding: .9rem 1rem; vertical-align: middle; }

.form-control,
.form-select {
    background-color: #0f141c;
    border-color: var(--maskfi-line);
    color: var(--maskfi-text);
}

.form-control:focus,
.form-select:focus {
    background-color: #0f141c;
    border-color: var(--maskfi-green);
    color: var(--maskfi-text);
    box-shadow: 0 0 0 .2rem rgba(53, 226, 123, .12);
}

.form-control::placeholder { color: #687386; }
.btn-primary { --bs-btn-bg: var(--maskfi-blue); --bs-btn-border-color: var(--maskfi-blue); }
.btn-success { --bs-btn-bg: #20c96b; --bs-btn-border-color: #20c96b; --bs-btn-color: #061108; }
.btn-outline-light { --bs-btn-border-color: rgba(255,255,255,.2); }

.badge-soft {
    border: 1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.06);
    color: var(--maskfi-text);
}

.license-key {
    font-family: Consolas, Monaco, monospace;
    color: var(--maskfi-green);
    font-size: clamp(1.35rem, 3vw, 2rem);
    font-weight: 800;
    overflow-wrap: anywhere;
}

.code {
    font-family: Consolas, Monaco, monospace;
    color: #cbd5e1;
}

.modal-content {
    background: var(--maskfi-panel);
    color: var(--maskfi-text);
    border: 1px solid rgba(255,255,255,.08);
}

.page-link {
    background: #0f141c;
    color: var(--maskfi-text);
    border-color: var(--maskfi-line);
}

.page-item.active .page-link {
    background: var(--maskfi-blue);
    border-color: var(--maskfi-blue);
}

@media (max-width: 991.98px) {
    .app-shell { display: block; }
    .sidebar {
        position: relative;
        height: auto;
        width: 100%;
        border-right: 0;
        border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .main { padding: 1rem; }
}