/* Professional Dark Mode Styles */
:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #888888;
    --border-color: #404040;
    --accent-primary: #6366f1;
    --accent-secondary: #4f46e5;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
}

body {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.navbar {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-color);
}

.card {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.card-header {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.form-control {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
}

.form-control:focus {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

.form-control[readonly] {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-secondary) !important;
    opacity: 1 !important;
}

.btn-primary {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    border-radius: 6px;
    font-weight: 500;
}

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

.btn-secondary {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
}

.btn-secondary:hover {
    background-color: #3a3a3a;
    border-color: #555;
}

.alert {
    border: none;
    border-radius: 6px;
    font-weight: 500;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border-left: 4px solid var(--warning);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-left: 4px solid var(--success);
}

.alert-info {
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--info);
    border-left: 4px solid var(--info);
}

.table {
    color: var(--text-primary);
    border-radius: 6px;
    overflow: hidden;
}

.table thead th {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
}

.table td {
    border-top: 1px solid var(--border-color);
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: var(--bg-tertiary);
}

.badge {
    font-weight: 500;
    border-radius: 4px;
}

/* Override all Bootstrap text colors for consistency */
.text-primary { color: var(--accent-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-info { color: var(--info) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-light { color: var(--text-secondary) !important; }
.text-dark { color: var(--text-primary) !important; }

/* Form labels and help text */
.form-label {
    color: var(--text-primary) !important;
    font-weight: 500;
}

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

/* Links */
a {
    color: var(--accent-primary);
}

a:hover {
    color: var(--accent-secondary);
}

/* Ensure all text has proper contrast */
p, span, div, label, small, strong, em {
    color: inherit;
}

/* Specific overrides for better uniformity */
.card-title, .card-text {
    color: var(--text-primary) !important;
}

.alert p, .alert strong {
    color: inherit !important;
}

/* Modal specific styles */
.modal-content {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-color) !important;
}

.modal .form-control {
    background-color: var(--bg-tertiary) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

.modal .form-control:focus {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--accent-primary) !important;
    color: var(--text-primary) !important;
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25) !important;
}

.modal .form-control::-webkit-calendar-picker-indicator {
    filter: invert(1) !important;
}

.modal .form-label {
    color: var(--text-primary) !important;
}

.modal .btn-secondary {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

.modal .btn-secondary:hover {
    background-color: #3a3a3a !important;
    border-color: #555 !important;
}

.modal .text-danger {
    color: var(--danger) !important;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

.nav-tabs {
    border-bottom: 1px solid var(--border-color);
}

.nav-tabs .nav-link {
    color: var(--text-secondary);
    border: none;
    border-bottom: 2px solid transparent;
}

.nav-tabs .nav-link:hover {
    color: var(--text-primary);
}

.nav-tabs .nav-link.active {
    color: var(--accent-primary);
    background-color: transparent;
    border-bottom-color: var(--accent-primary);
}

.tab-content {
    padding-top: 1rem;
}

.h1, .h2, .h3, .h4, .h5, .h6 {
    color: var(--text-primary);
}

/* Dashboard specific */
.dashboard-stats .h4 {
    color: var(--text-primary) !important;
    font-weight: 700;
}

.dashboard-stats small {
    color: var(--text-secondary) !important;
    font-weight: 500;
}

/* Calendar specific */
.calendar-container {
    margin-top: 1rem;
}

.calendar-header {
    padding: 0.5rem 0;
}

.calendar-table {
    table-layout: fixed;
    width: 100%;
}

.calendar-day {
    height: 80px;
    vertical-align: top;
    position: relative;
    transition: background-color 0.2s ease;
}

.calendar-day:hover {
    background-color: var(--bg-tertiary) !important;
}

.calendar-day.empty {
    background-color: #2d2d2d;
}

.calendar-day.holiday {
    background-color: rgba(239, 68, 68, 0.1) !important;
}

.calendar-day.has-vacation {
    background-color: rgba(99, 102, 241, 0.1) !important;
}

.day-number {
    font-weight: bold;
    margin-bottom: 2px;
    color: var(--text-primary);
}

.holiday-indicator {
    font-size: 12px;
    color: #ffc107;
}

.vacation-entry {
    font-size: 10px;
    padding: 1px 3px;
    margin: 1px;
    border-radius: 2px;
    display: inline-block;
}

.vacation-entry.approved {
    background-color: #007bff;
    color: white;
}


/* ─── Floating Home Button ───────────────────────────────────────────────── */
.home-button {
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    z-index: 2000; /* Higher z-index for Bootstrap modals/navbars */
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26, 26, 26, 0.5); /* var(--bg-secondary) with opacity */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.home-button:hover {
    background: rgba(26, 26, 26, 0.8);
    transform: translateY(-2px);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.home-button svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 768px) {
    .home-button {
        top: 1rem;
        left: 1rem;
        width: 40px;
        height: 40px;
    }
}