:root {
    --app-blue-900: #0b2f55;
    --app-blue-800: #0e3f74;
    --app-blue-700: #13508f;
    --app-blue-600: #1765b3;
    --app-blue-500: #2f7cc8;
    --app-sky-100: #e9f2ff;
    --app-sky-050: #f6faff;
    --app-text: #132238;
    --app-muted: #50617a;
    --app-success: #11885b;
    --app-danger: #c5324c;
}

html,
body {
    height: 100%;
    min-height: 100%;
}

body {
    font-family: 'Manrope', sans-serif;
    color: var(--app-text);
    background: radial-gradient(circle at 5% -10%, rgba(47, 124, 200, 0.25), transparent 40%),
                radial-gradient(circle at 95% 0%, rgba(23, 101, 179, 0.16), transparent 30%),
                linear-gradient(180deg, #f7fbff 0%, #edf5ff 100%);
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main.container {
    flex: 1 0 auto;
}

.site-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(to right, rgba(19, 80, 143, 0.05) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(19, 80, 143, 0.05) 1px, transparent 1px);
    background-size: 32px 32px;
    z-index: -1;
}

.app-navbar {
    background: linear-gradient(110deg, var(--app-blue-900), var(--app-blue-700));
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 12px 24px rgba(11, 47, 85, 0.2);
}

.navbar-brand {
    color: #fff;
    font-weight: 800;
    letter-spacing: 0.2px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand:hover,
.navbar-brand:focus {
    color: #fff;
}

.brand-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #7fd2ff;
    box-shadow: 0 0 0 5px rgba(127, 210, 255, 0.15);
}

.app-navbar .nav-link {
    color: #eaf3ff;
    font-weight: 600;
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link:focus {
    color: #fff;
}

.app-navbar .user-session-label {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 8px;
    padding: 6px 10px;
}

.app-navbar .user-session-label strong {
    color: #ffffff;
}

.app-card,
.card {
    border-radius: 16px;
    border: 1px solid rgba(19, 80, 143, 0.12);
    box-shadow: 0 12px 32px rgba(15, 45, 78, 0.08);
    overflow: hidden;
}

.card-header {
    background: linear-gradient(180deg, #f7fbff, #eff6ff);
    border-bottom: 1px solid rgba(19, 80, 143, 0.08);
    font-weight: 700;
}

.btn-primary {
    background: linear-gradient(120deg, #1e6eb7, #155694);
    border-color: #155694;
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(120deg, #185f9f, #124a80);
    border-color: #124a80;
}

.btn-outline-primary {
    border-color: #1e6eb7;
    color: #1e6eb7;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    color: #fff;
    background: #1e6eb7;
}

.btn-pass-turn {
    color: #1f2a37;
    background: #f7b500;
    border-color: #e1a300;
    font-weight: 700;
}

.btn-pass-turn:hover,
.btn-pass-turn:focus {
    color: #111827;
    background: #e1a300;
    border-color: #c88f00;
}

.badge-next {
    background: #ffdf78;
    color: #5f4600;
}

.status-pill {
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 0.78rem;
    font-weight: 700;
}

.status-waiting {
    background: rgba(23, 101, 179, 0.1);
    color: #155694;
}

.status-separating {
    background: rgba(17, 136, 91, 0.12);
    color: #0d704b;
}

.status-absent {
    background: rgba(197, 50, 76, 0.12);
    color: #91263a;
}

.table > :not(caption) > * > * {
    border-bottom-color: rgba(19, 80, 143, 0.08);
}

.table thead th {
    color: #1c3e68;
    background: #eef5ff;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.queue-row-next {
    background: linear-gradient(90deg, rgba(255, 223, 120, 0.2), rgba(255, 223, 120, 0.06));
}

.queue-actions {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 6px;
}

.queue-action-form {
    margin: 0;
}

.min-vh-75 {
    min-height: 75vh;
}

.text-secondary {
    color: var(--app-muted) !important;
}

.metric-card {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.metric-card small {
    color: var(--app-muted);
    font-weight: 600;
}

.metric-card strong {
    font-size: 1.2rem;
}

.app-footer {
    margin-top: auto;
    color: #1765b3;
    font-weight: 600;
    font-size: 1.05rem;
}

.login-card-logo {
    display: block;
    width: min(320px, 82%);
    height: auto;
    margin: 0 auto 0.9rem;
    object-fit: contain;
    filter: drop-shadow(0 6px 16px rgba(11, 47, 85, 0.16));
}

/* Login page: keep developer credit closer to the card */
body.auth-login-page main.container {
    flex: 0 0 auto;
}

body.auth-login-page .min-vh-75 {
    min-height: auto;
    padding-top: 2.25rem;
    padding-bottom: 0.5rem;
}

body.auth-login-page .app-footer {
    margin-top: 0.5rem;
}

@media (max-width: 991px) {
    .table-responsive {
        border-radius: 12px;
    }

    .app-navbar .user-session-label {
        margin-top: 6px;
        margin-bottom: 6px;
    }

    .queue-panel-card .queue-table-wrap {
        overflow-x: visible;
    }

    .queue-panel-card .queue-table thead {
        display: none;
    }

    .queue-panel-card .queue-table,
    .queue-panel-card .queue-table tbody,
    .queue-panel-card .queue-table tr,
    .queue-panel-card .queue-table td {
        display: block;
        width: 100%;
    }

    .queue-panel-card .queue-table tbody tr {
        background: #fff;
        border: 1px solid rgba(19, 80, 143, 0.12);
        border-radius: 12px;
        margin: 10px 8px;
        padding: 10px 12px;
        box-shadow: 0 8px 20px rgba(15, 45, 78, 0.08);
    }

    .queue-panel-card .queue-table tbody tr.queue-row-next {
        background: linear-gradient(90deg, rgba(255, 223, 120, 0.25), rgba(255, 223, 120, 0.08));
    }

    .queue-panel-card .queue-table tbody td {
        border-bottom: 1px dashed rgba(19, 80, 143, 0.14);
        padding: 7px 0 !important;
        display: grid;
        grid-template-columns: 108px 1fr;
        gap: 10px;
        align-items: center;
        white-space: normal;
    }

    .queue-panel-card .queue-table tbody td::before {
        content: attr(data-label);
        font-size: 0.72rem;
        font-weight: 800;
        text-transform: uppercase;
        letter-spacing: 0.3px;
        color: #5a6f8d;
    }

    .queue-panel-card .queue-table tbody td:last-child {
        border-bottom: 0;
        padding-bottom: 0 !important;
    }

    .queue-panel-card .queue-table tbody td[colspan] {
        display: block;
        text-align: center !important;
        border-bottom: 0;
    }

    .queue-panel-card .queue-table tbody td[colspan]::before {
        display: none;
    }

    .queue-cell-actions {
        display: block !important;
        text-align: left !important;
    }

    .queue-cell-actions::before {
        display: block;
        margin-bottom: 8px;
    }

    .queue-actions {
        display: grid;
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .queue-action-form {
        display: block !important;
        margin: 0 !important;
    }

    .queue-action-form .btn,
    .queue-action-btn {
        width: 100%;
    }

    .queue-panel-card .queue-table .badge-next {
        margin-left: 8px !important;
    }
}