/**
 * GRIP - Custom Styles
 */

:root {
    --sidebar-width: 250px;
    --header-height: 60px;
    --primary-color: #0d6efd;
    --sidebar-bg: #212529;
    --sidebar-text: #fff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    background-color: #f8f9fa;
}

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

.login-box {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    color: var(--primary-color);
    font-weight: 700;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    overflow-y: auto;
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h4 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    background: var(--primary-color);
    color: white;
}

.nav-item i {
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    margin-bottom: 0.5rem;
}

.user-name {
    font-weight: 600;
}

.user-role {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.main-header {
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid #dee2e6;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 999;
}

.main-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: #212529;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

@media (max-width: 768px) {
    .sidebar-toggle {
        display: block;
    }
}

.page-content {
    padding: 2rem;
}

/* Stat Cards */
.stat-card {
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.stat-card .card-body {
    display: flex;
    align-items: center;
    padding: 1.5rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-right: 1rem;
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: #6c757d;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #212529;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.card-header {
    background: white;
    border-bottom: 1px solid #dee2e6;
    padding: 1rem 1.5rem;
}

.card-title {
    font-weight: 600;
}

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

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

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-overlay .spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        width: 200px;
    }
    
    :root {
        --sidebar-width: 200px;
    }
    
    .stat-card .card-body {
        padding: 1rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        width: 250px;
        z-index: 1050;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .main-header {
        padding: 0 1rem;
    }
    
    .page-content {
        padding: 1rem;
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .stat-card .card-body {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
    }
    
    .stat-icon {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
    
    .stat-value {
        font-size: 1.25rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .row {
        --bs-gutter-x: 0.75rem;
    }
    
    .col-md-3,
    .col-md-6 {
        min-width: 100%;
    }
}

@media (max-width: 576px) {
    :root {
        --header-height: 50px;
    }
    
    .main-header h2 {
        font-size: 1.25rem;
    }
    
    .page-content {
        padding: 0.75rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .stat-value {
        font-size: 1rem;
    }
    
    .alert {
        padding: 0.75rem;
        font-size: 0.875rem;
    }
    
    .alert-heading {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .card-header {
        padding: 0.75rem 1rem;
    }
    
    .card-body {
        padding: 0.75rem;
    }
    
    .table {
        font-size: 0.85rem;
    }
    
    .list-group-item {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
}

/* Utilities */
.text-muted-light {
    color: rgba(255, 255, 255, 0.6) !important;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

/* Buttons */
.btn {
    border-radius: 6px;
    font-weight: 500;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

/* Forms */
.form-control, .form-select {
    border-radius: 6px;
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Toast */
.toast {
    min-width: 300px;
}

/* Modal */
.modal-header {
    border-bottom: 1px solid #dee2e6;
}

.modal-title {
    font-weight: 600;
}