:root {
    /* Premium elegant palette (Deep Slate + Monochrome) */
    --primary-color: #0f172a; /* Deep slate, almost black */
    --primary-hover: #334155;
    --secondary-color: #64748b;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* Navbar Styling */
.navbar-custom {
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.navbar-custom .navbar-brand {
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.5px;
}
.navbar-custom .nav-link {
    color: var(--secondary-color);
    font-weight: 500;
    transition: color 0.2s ease-in-out;
}
.navbar-custom .nav-link:hover, .navbar-custom .nav-link.active {
    color: var(--primary-color);
}

/* Card Styling */
.card-custom {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}
.card-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.card-header-custom {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    padding: 1.25rem 1.5rem;
}
.card-body-custom {
    padding: 1.5rem;
}

/* Buttons */
.btn-primary-custom {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
    font-weight: 500;
    border-radius: 8px;
    padding: 0.5rem 1.25rem;
    transition: all 0.2s ease;
}
.btn-primary-custom:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #ffffff;
    box-shadow: 0 4px 6px -1px rgba(14, 165, 233, 0.3);
}

/* Table Styling */
.table-custom {
    margin-bottom: 0;
}
.table-custom th {
    background-color: #f1f5f9;
    color: var(--secondary-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
    padding: 1rem 1.5rem;
    white-space: nowrap; /* Fix for narrow screens */
}
.table-custom td {
    padding: 1rem 1.5rem;
    vertical-align: middle;
    color: var(--text-main);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap; /* Prevent squeezing text */
}
.table-custom tbody tr:hover {
    background-color: #f8fafc;
}

/* Status Badges */
.badge-status {
    padding: 0.35em 0.65em;
    border-radius: 9999px;
    font-weight: 500;
    font-size: 0.75rem;
}
.badge-active { background-color: #d1fae5; color: #065f46; }
.badge-draft { background-color: #e2e8f0; color: #475569; }
.badge-completed { background-color: #dbeafe; color: #1e40af; }
.badge-cancelled { background-color: #fee2e2; color: #991b1b; }

.btn-primary-custom {
    color: #ffffff !important;
}