/* ============================================================
   GRC System - Custom Styles
   ============================================================ */

/* Global Styles */
:root {
    --grc-primary: #0d6efd;
    --grc-success: #198754;
    --grc-warning: #ffc107;
    --grc-danger: #dc3545;
    --grc-info: #0dcaf0;
    --grc-sidebar-bg: #1e293b;
    --grc-sidebar-width: 250px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f8f9fa;
    min-height: 100vh;
}

/* Navbar */
.navbar-grc {
    padding: 0.75rem 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-grc .navbar-brand {
    font-size: 1.25rem;
    letter-spacing: 0.5px;
}

.navbar-grc .nav-link {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: background-color 0.2s;
}

.navbar-grc .nav-link:hover {
    background-color: rgba(255,255,255,0.1);
}

.navbar-grc .nav-link.active {
    background-color: rgba(255,255,255,0.2);
}

/* Cards */
.card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.02);
    transition: box-shadow 0.2s;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 1rem 1.25rem;
    font-weight: 600;
}

.card-body {
    padding: 1.25rem;
}

/* Stat Cards */
.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card .stat-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.5rem;
    opacity: 0.15;
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Risk Heat Map */
.heatmap-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.heatmap-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
    max-width: 500px;
    margin: 0 auto;
}

.heatmap-cell {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    transition: transform 0.2s;
}

.heatmap-cell:hover {
    transform: scale(1.05);
}

.heatmap-label {
    font-size: 0.75rem;
    color: #6c757d;
    text-align: center;
    font-weight: 500;
}

/* Tables */
.table-grc {
    margin-bottom: 0;
}

.table-grc th {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #6c757d;
    border-top: none;
    padding: 0.75rem 1rem;
}

.table-grc td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
    font-size: 0.75rem;
}

/* Forms */
.form-grc .form-control,
.form-grc .form-select {
    border-radius: 0.5rem;
    border-color: #dee2e6;
    padding: 0.5rem 0.75rem;
}

.form-grc .form-control:focus,
.form-grc .form-select:focus {
    border-color: var(--grc-primary);
    box-shadow: 0 0 0 0.2rem rgba(13,110,253,0.15);
}

.form-grc label {
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

/* Buttons */
.btn-grc {
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
}

/* Page Header */
.page-header {
    padding: 1.5rem 0;
    border-bottom: 1px solid #e9ecef;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.page-header .breadcrumb {
    margin: 0;
    font-size: 0.85rem;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    width: 100%;
    max-width: 420px;
    border-radius: 1rem;
}

.login-card .card-body {
    padding: 2.5rem;
}

.login-logo {
    font-size: 3rem;
    color: var(--grc-primary);
    margin-bottom: 0.5rem;
}

/* Tabs */
.nav-tabs .nav-link {
    border: none;
    color: #6c757d;
    font-weight: 500;
    padding: 0.75rem 1.25rem;
    position: relative;
}

.nav-tabs .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background-color: var(--grc-primary);
    transition: width 0.3s;
    border-radius: 3px 3px 0 0;
}

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

.nav-tabs .nav-link.active::after {
    width: 70%;
}

.nav-tabs .nav-link:hover {
    color: var(--grc-primary);
    border-color: transparent;
}

/* Modal */
.modal-content {
    border: none;
    border-radius: 0.75rem;
}

.modal-header {
    border-bottom: 1px solid #f0f0f0;
    padding: 1.25rem 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid #f0f0f0;
    padding: 1rem 1.5rem;
}

/* Progress */
.progress {
    border-radius: 0.5rem;
    height: 0.5rem;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0.5rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e9ecef;
}

.timeline-item {
    position: relative;
    padding-bottom: 1.5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 0.25rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--grc-primary);
    border: 2px solid white;
    box-shadow: 0 0 0 2px var(--grc-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .stat-card .stat-value {
        font-size: 1.25rem;
    }
    
    .page-header h1 {
        font-size: 1.25rem;
    }

    .heatmap-grid {
        max-width: 350px;
    }
}

/* Print */
@media print {
    .navbar-grc,
    .btn,
    .datatable-controls {
        display: none !important;
    }
}