:root {
    --bg: #0f1720;
    --panel: #182432;
    --panel-soft: #223246;
    --text: #ecf3fb;
    --muted: #92a6bb;
    --accent: #3bc1a6;
    --accent-2: #45a1ff;
    --danger: #ff6b6b;
    --warning: #ffb454;
    --border: rgba(255, 255, 255, 0.08);
}
body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top left, rgba(69,161,255,.18), transparent 30%), linear-gradient(135deg, #0b1118 0%, #111a24 35%, #0f1720 100%);
    color: var(--text);
    font-family: "Manrope", sans-serif;
}
.app-shell {
    display: flex;
    min-height: 100vh;
}
.sidebar {
    width: 280px;
    padding: 28px;
    background: rgba(8, 14, 22, 0.82);
    border-right: 1px solid var(--border);
    backdrop-filter: blur(18px);
}
.brand {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: .04em;
}
.sidebar .nav-link {
    color: var(--text);
    background: rgba(255,255,255,.03);
    border-radius: 14px;
    padding: 12px 16px;
}
.sidebar .nav-link:hover { background: rgba(59,193,166,.14); }
.content {
    flex: 1;
    padding: 32px;
}
.auth-content {
    display: flex;
    justify-content: center;
    align-items: center;
}
.auth-card, .panel-card, .stat-card {
    background: rgba(24, 36, 50, 0.9);
    border: 1px solid var(--border);
    border-radius: 24px;
    color: var(--text);
}
.auth-card {
    width: min(460px, 100%);
}
.stat-card {
    padding: 24px;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.stat-card span { color: var(--muted); }
.stat-card strong { font-size: 2.4rem; }
.table-dark {
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(255,255,255,.02);
    --bs-table-hover-bg: rgba(69,161,255,.08);
    --bs-table-color: var(--text);
    margin: 0;
}
.form-control, .form-select {
    background: #101923;
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 14px;
    padding: 12px 14px;
}
.form-control:focus, .form-select:focus {
    background: #101923;
    color: var(--text);
    border-color: var(--accent-2);
    box-shadow: 0 0 0 .2rem rgba(69,161,255,.15);
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border: none;
    color: #07131b;
    font-weight: 800;
}
.btn-outline-light, .btn-outline-info, .btn-outline-danger {
    border-radius: 14px;
}
.alert {
    border-radius: 16px;
    border: none;
}
.meta-box {
    background: #0d141d;
    color: #cce3ff;
    padding: 16px;
    border-radius: 16px;
    min-height: 220px;
}
.operators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.operator-card {
    position: relative;
    overflow: hidden;
    padding: 22px;
    border-radius: 24px;
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(25,36,51,.95), rgba(16,24,34,.95));
    box-shadow: 0 16px 40px rgba(0, 0, 0, .24);
}
.operator-card::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 5px;
    opacity: .95;
}
.operator-card-live::before { background: linear-gradient(90deg, #ff6b6b, #ffb454); }
.operator-card-ready::before { background: linear-gradient(90deg, #3bc1a6, #45a1ff); }
.operator-card-offline::before { background: linear-gradient(90deg, #6b7a90, #49586d); }
.operator-card-top {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: start;
    margin-bottom: 18px;
}
.operator-name {
    font-size: 1.2rem;
    font-weight: 800;
}
.operator-login {
    color: var(--muted);
    margin-top: 4px;
}
.operator-extension {
    min-width: 64px;
    text-align: center;
    padding: 10px 14px;
    border-radius: 16px;
    background: rgba(255,255,255,.05);
    font-weight: 800;
    font-size: 1.1rem;
}
.operator-status-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}
.operator-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    font-weight: 700;
    font-size: .92rem;
}
.badge-account-on { background: rgba(59,193,166,.16); color: #8ef0dc; }
.badge-account-off { background: rgba(107,122,144,.18); color: #c1cfdf; }
.badge-call-live { background: rgba(255,107,107,.16); color: #ffb1b1; }
.badge-call-free { background: rgba(69,161,255,.14); color: #add4ff; }
.operator-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.metric-box {
    padding: 14px;
    border-radius: 18px;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.05);
}
.metric-box span {
    display: block;
    color: var(--muted);
    font-size: .86rem;
    margin-bottom: 6px;
}
.metric-box strong {
    display: block;
    font-size: 1.05rem;
    font-weight: 800;
    word-break: break-word;
}
.metric-wide {
    grid-column: 1 / -1;
}
@media (max-width: 992px) {
    .app-shell { flex-direction: column; }
    .sidebar { width: 100%; }
    .content { padding: 20px; }
}