/* Modern CSS Design System for UMA Voting Portal */
:root {
    /* Core Colors */
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --success: #059669;
    --success-light: #10b981;
    --danger: #dc2626;
    --warning: #d97706;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;
    
    /* Design Tokens */
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
    background-color: var(--gray-50);
    color: var(--gray-700);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--gray-900);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
}

.text-muted {
    color: var(--gray-500) !important;
}

/* Navigation */
.navbar {
    background-color: white !important;
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-md) 0;
    box-shadow: none;
}

.navbar-brand {
    font-weight: 700;
    color: var(--gray-900) !important;
    font-size: 1.5rem;
    text-decoration: none !important;
    transition: all 0.2s ease;
    letter-spacing: -0.025em;
}

.navbar-brand:hover {
    color: var(--primary) !important;
    text-decoration: none !important;
    transform: translateY(-1px);
}

.navbar-brand:focus {
    text-decoration: none !important;
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.nav-link {
    color: var(--gray-700) !important;
    font-weight: 500;
    transition: color 0.2s ease;
    padding: var(--spacing-sm) var(--spacing-md) !important;
}

.nav-link:hover {
    color: var(--primary) !important;
}

/* Buttons */
.btn {
    border-radius: var(--radius);
    font-weight: 500;
    transition: all 0.2s ease;
    border: none;
    font-size: 0.875rem;
    padding: var(--spacing-sm) var(--spacing-md);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-success:hover {
    background-color: var(--success-light);
}

.btn-outline-primary {
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
    background: white;
}

.btn-outline-primary:hover {
    background-color: var(--gray-50);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-secondary {
    background-color: var(--gray-200);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background-color: var(--gray-300);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Cards */
.card {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    background: white;
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-header {
    background-color: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 600;
    color: var(--gray-900);
}

.card-footer {
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    padding: var(--spacing-md) var(--spacing-lg);
}

.card-title {
    color: var(--gray-900);
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

/* Voting Components */
.voting-status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.voting-status-indicator .badge {
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
}

.candidate-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 0;
    transition: all 0.2s ease;
    margin-bottom: var(--spacing-md);
    text-align: center;
    width: 230px;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 280px;
    overflow: hidden;
}

.candidate-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.candidate-photo {
    width: 100%;
    height: 190px;
    object-fit: cover;
    background: var(--gray-100);
    border: none;
    border-radius: 0;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.candidate-card:hover .candidate-photo {
    transform: scale(1.05);
}

.candidate-card-content {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.candidate-card h6 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.candidate-card .text-muted {
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

/* Responsive candidate grid improvements */
@media (min-width: 1200px) {
    .candidate-grid-container .col-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (max-width: 992px) {
    .candidate-grid-container .col-6 {
        flex: 0 0 50%;
        max-width: 50%;
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .candidate-grid-container .col-6 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: var(--spacing-md);
    }
    
    .candidate-photo {
        height: 140px;
    }
    
    .candidate-card {
        min-height: 240px;
    }
    
    .candidate-card-content {
        padding: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    .candidate-card {
        min-height: 220px;
    }
    
    .candidate-photo {
        height: 120px;
    }
    
    .candidate-card-content {
        padding: var(--spacing-md);
    }
    
    .candidate-card h6 {
        font-size: 1rem;
    }
    
    .candidate-card .text-muted {
        font-size: 0.8rem;
    }
}

/* Post card improvements */
.post-card {
    transition: all 0.2s ease;
    margin-bottom: var(--spacing-lg);
}

.post-card:hover {
    transform: translateY(-2px);
}

.post-card .card-body {
    padding: var(--spacing-xl);
}

.post-card .card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

/* Improve candidate grid layout within posts */
.candidate-grid-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: flex-start;
}

.candidate-grid-container > [class*="col-"] {
    display: flex;
    padding: 0;
    flex: 1 1 300px;
    max-width: 350px;
    min-width: 280px;
}


.voted-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--success);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Badges */
.badge {
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
}

.badge.bg-success {
    background-color: var(--success) !important;
}

.badge.bg-danger {
    background-color: var(--danger) !important;
}

.badge.bg-secondary {
    background-color: var(--gray-500) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
    padding: var(--spacing-xl) 0;
    color: white;
}

.hero-section h1 {
    color: white;
    font-weight: 700;
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-section .lead {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

.voting-stats {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.stat-item {
    text-align: center;
}

.stat-item i {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-sm);
}

.stat-item h4 {
    color: white;
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.stat-item small {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

/* Empty State */
.empty-state-container {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.empty-state-icon {
    margin-bottom: var(--spacing-lg);
}

.icon-circle {
    width: 80px;
    height: 80px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.icon-circle i {
    color: var(--primary);
    font-size: 2rem;
}

.feature-icon {
    text-align: center;
    padding: var(--spacing-lg);
}

.feature-icon i {
    margin-bottom: var(--spacing-md);
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--radius);
    padding: var(--spacing-md) var(--spacing-lg);
    border-left: 4px solid;
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: #f0fdf4;
    border-left-color: var(--success);
    color: #166534;
}

.alert-danger {
    background-color: #fef2f2;
    border-left-color: var(--danger);
    color: #991b1b;
}

.alert-info {
    background-color: #eff6ff;
    border-left-color: var(--primary);
    color: #1e40af;
}

/* Progress Bars */
.progress {
    height: 8px;
    border-radius: var(--radius);
    background-color: var(--gray-200);
    overflow: hidden;
}

.progress-bar {
    background-color: var(--primary);
    border-radius: var(--radius);
}

/* Forms */
.form-control {
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-label {
    color: var(--gray-900);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

/* Tables */
.table {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th {
    background-color: var(--gray-50);
    color: var(--gray-900);
    font-weight: 600;
    border-bottom: 1px solid var(--gray-200);
}

.table td {
    border-color: var(--gray-200);
    vertical-align: middle;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 16px;
        --spacing-xl: 24px;
    }
    
    .hero-section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .candidate-photo {
        height: 120px;
    }
    
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .d-flex.gap-3 .btn {
        width: auto;
        margin-bottom: 0;
    }
}

/* Additional Modern Touches */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Focus styles for accessibility */
.btn:focus,
.form-control:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* Improved link styles */
a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* Footer styles */
footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-xl) 0;
}

footer h5 {
    color: white;
    font-weight: 600;
}

/* Container for all candidate cards */
/* .candidate-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1rem;
    justify-content: center;
    padding: 1rem;
} */

/* .candidate-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 0;
    transition: all 0.2s ease;
    text-align: center;
    width: 100%;       
    height: auto;
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 280px;
    overflow: hidden;
} 
.candidate-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.candidate-photo {
    width: 100%;
    height: 190px;
    object-fit: cover;
    background: var(--gray-100);
    border: none;
    border-radius: 0;
    transition: all 0.2s ease;
    flex-shrink: 0;
}  */

/* Mobile adjustments */
@media (max-width: 768px) {
    .candidate-list {
        grid-template-columns: 1fr; /* single column on mobile */
    }

    .candidate-card {
        background: white;
        border: 1px solid var(--gray-200);
        border-radius: var(--radius-lg);
        padding: 0;
        transition: all 0.2s ease;
        margin-bottom: var(--spacing-md);
        text-align: center;
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        position: relative;
        min-height: 220px;
        overflow: hidden;
 }

    .candidate-photo {
        height: auto;
        width: 100%;
        min-height: 160px;
    }
}