:root {
    color-scheme: light;
    --background: #f8fafc;
    --foreground: #020617;
    --card: #ffffff;
    --card-foreground: #020617;
    --primary: #0f172a;
    --primary-foreground: #f8fafc;
    --secondary: #f1f5f9;
    --muted: #f1f5f9;
    --muted-foreground: #64748b;
    --accent: #eef2ff;
    --accent-foreground: #3730a3;
    --destructive: #dc2626;
    --success: #16a34a;
    --warning: #d97706;
    --border: #e2e8f0;
    --input: #cbd5e1;
    --ring: #2563eb;
    --radius: 8px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
    --shadow-md: 0 8px 28px rgba(15, 23, 42, .08);
    --shadow-lg: 0 20px 50px rgba(15, 23, 42, .12);
}

* {
    border-color: var(--border);
}

html {
    min-height: 100%;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, .08), transparent 34rem),
        linear-gradient(180deg, #ffffff 0%, var(--background) 18rem);
    color: var(--foreground);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 14px;
    letter-spacing: 0;
}

a {
    color: #2563eb;
    text-decoration: none;
}

a:hover {
    color: #1d4ed8;
}

.container-fluid {
    max-width: 1440px;
}

.navbar {
    min-height: 64px;
    background: rgba(255, 255, 255, .88) !important;
    border-bottom: 1px solid rgba(226, 232, 240, .82) !important;
    box-shadow: 0 1px 0 rgba(15, 23, 42, .04);
    backdrop-filter: blur(16px);
}

.navbar-brand {
    color: var(--foreground) !important;
    font-size: .98rem;
    letter-spacing: 0;
}

.navbar .nav-link {
    color: var(--muted-foreground) !important;
    border-radius: 7px;
    font-size: .9rem;
    font-weight: 500;
    margin: 0 .1rem;
    padding: .5rem .7rem !important;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
    background: var(--secondary);
    color: var(--foreground) !important;
}

.navbar-toggler {
    border-color: var(--border);
    border-radius: var(--radius);
    padding: .35rem .55rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 .2rem rgba(37, 99, 235, .18);
}

.status-pulse {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--success);
    box-shadow: 0 0 0 5px rgba(22, 163, 74, .13), 0 0 12px rgba(22, 163, 74, .42);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .58; transform: scale(.86); }
}

.card {
    background: var(--card);
    color: var(--card-foreground);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem;
}

.card-body {
    padding: 1.25rem;
}

.card-title,
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--foreground);
    letter-spacing: 0;
}

.text-muted,
.small.text-muted,
small.text-muted {
    color: var(--muted-foreground) !important;
}

.stat-card {
    overflow: hidden;
}

.stat-card .card-body {
    padding: 1.2rem;
}

.stat-value {
    color: var(--foreground);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: .35rem;
}

.stat-label {
    color: var(--muted-foreground);
    font-size: .76rem;
    font-weight: 600;
    letter-spacing: 0;
    text-transform: uppercase;
}

.btn {
    --bs-btn-border-radius: var(--radius);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    min-height: 2.25rem;
    border-radius: var(--radius);
    font-size: .875rem;
    font-weight: 500;
    box-shadow: none !important;
    transition: background-color .15s ease, border-color .15s ease, color .15s ease, transform .15s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-sm {
    min-height: 2rem;
    padding: .35rem .65rem;
    font-size: .8125rem;
}

.btn-primary,
.btn-login {
    --bs-btn-bg: var(--primary);
    --bs-btn-border-color: var(--primary);
    --bs-btn-color: var(--primary-foreground);
    --bs-btn-hover-bg: #1e293b;
    --bs-btn-hover-border-color: #1e293b;
    --bs-btn-hover-color: #ffffff;
    --bs-btn-active-bg: #020617;
    --bs-btn-active-border-color: #020617;
    background: var(--primary);
    border-color: var(--primary);
    color: var(--primary-foreground);
}

.btn-outline-secondary,
.btn-outline-primary {
    color: var(--foreground);
    border-color: var(--border);
    background: var(--card);
}

.btn-outline-secondary:hover,
.btn-outline-primary:hover {
    color: var(--foreground);
    border-color: var(--border);
    background: var(--secondary);
}

.btn-outline-danger {
    color: var(--destructive);
    border-color: #fecaca;
    background: #fff;
}

.btn-outline-danger:hover {
    color: #fff;
    border-color: var(--destructive);
    background: var(--destructive);
}

.form-label {
    color: var(--foreground);
    font-size: .84rem;
    font-weight: 600;
    margin-bottom: .4rem;
}

.form-control,
.form-select {
    min-height: 2.5rem;
    border-color: var(--input);
    border-radius: var(--radius);
    color: var(--foreground);
    background-color: var(--card);
    font-size: .9rem;
    box-shadow: none;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--ring);
    box-shadow: 0 0 0 .2rem rgba(37, 99, 235, .15);
}

.form-control::placeholder {
    color: #94a3b8;
}

.form-check-input {
    border-color: var(--input);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.input-group-text {
    color: var(--muted-foreground);
    background: var(--secondary);
    border-color: var(--input);
    border-radius: var(--radius);
}

.badge {
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: 0;
    padding: .32rem .55rem;
}

.bg-success,
.badge.bg-success {
    color: #166534 !important;
    background: #dcfce7 !important;
    border-color: #bbf7d0;
}

.bg-danger,
.badge.bg-danger {
    color: #991b1b !important;
    background: #fee2e2 !important;
    border-color: #fecaca;
}

.bg-warning,
.badge.bg-warning {
    color: #92400e !important;
    background: #fef3c7 !important;
    border-color: #fde68a;
}

.bg-secondary,
.badge.bg-secondary {
    color: #334155 !important;
    background: #e2e8f0 !important;
    border-color: #cbd5e1;
}

.bg-info,
.badge.bg-info {
    color: #075985 !important;
    background: #e0f2fe !important;
    border-color: #bae6fd;
}

.alert {
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.alert-success {
    color: #166534;
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.alert-danger {
    color: #991b1b;
    background: #fef2f2;
    border-color: #fecaca;
}

.alert-warning {
    color: #92400e;
    background: #fffbeb;
    border-color: #fde68a;
}

.list-group {
    border-radius: var(--radius);
}

.list-group-item {
    border-color: var(--border);
    padding: 1rem 1.25rem;
    transition: background-color .15s ease;
}

.list-group-item:hover {
    background-color: #f8fafc !important;
}

.table {
    color: var(--foreground);
    margin-bottom: 0;
}

.table > :not(caption) > * > * {
    border-bottom-color: var(--border);
    padding: .85rem 1rem;
    vertical-align: middle;
}

.table thead th {
    color: var(--muted-foreground);
    background: #f8fafc;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

.table-hover tbody tr:hover {
    background-color: #f8fafc;
}

.dropdown-menu {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

.dropdown-item {
    border-radius: 6px;
    margin: .1rem .25rem;
    width: calc(100% - .5rem);
}

.dropdown-item:hover {
    background: var(--secondary);
}

.toast {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.modal-content {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.modal-header,
.modal-footer {
    border-color: var(--border);
}

.daily-bar-container {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 60px;
}

.daily-bar-wrap {
    flex: 1;
    display: flex;
    align-items: flex-end;
    height: 60px;
    cursor: default;
}

.daily-bar {
    width: 100%;
    border-radius: 4px 4px 0 0;
    min-height: 8px;
}

.blink {
    animation: blink 1s step-start infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: .25; }
}

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1.25rem;
    background:
        radial-gradient(circle at 20% 0%, rgba(37, 99, 235, .16), transparent 28rem),
        linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    background: rgba(255, 255, 255, .94);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .65rem;
    margin-bottom: 1.75rem;
}

.brand-dot {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: var(--success);
    box-shadow: 0 0 0 6px rgba(22, 163, 74, .12), 0 0 12px rgba(22, 163, 74, .35);
    animation: pulse 2s infinite;
}

.brand-name {
    color: var(--foreground);
    font-size: 1.2rem;
    font-weight: 700;
}

.btn-login {
    width: 100%;
    min-height: 2.75rem;
}

@media (max-width: 991px) {
    .navbar .navbar-collapse {
        padding-top: .75rem;
    }

    .navbar .nav-link {
        margin: .1rem 0;
    }

    .navbar .d-flex {
        align-items: stretch !important;
        margin-top: .75rem;
    }
}

@media (max-width: 767px) {
    body {
        font-size: 13px;
    }

    .container-fluid {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }

    .stat-value {
        font-size: 1.65rem;
    }

    .card-body {
        padding: 1rem;
    }

    .table-responsive {
        border-radius: var(--radius);
    }

    .login-card {
        padding: 1.5rem;
    }
}