/* Custom styles for SYALMS'25 */

:root {
    --primary-color: #3D0000;
    --secondary-color: #760000;
    --accent-color: #A50000;
    --gradient-primary: linear-gradient(135deg, #3D0000 0%, #760000 50%, #A50000 100%);
    --gradient-hover: linear-gradient(135deg, #2D0000 0%, #660000 50%, #950000 100%);
    --text-dark: #2d3748;
    --text-light: #718096;
    --bg-light: #f7fafc;
}

/* Custom grid for 5 columns */
.col-md-2-4 {
    flex: 0 0 auto;
    width: 20%;
}

/* Custom grid for 6 columns */
.col-md-2 {
    flex: 0 0 auto;
    width: 16.666667%;
}

@media (max-width: 768px) {
    .col-md-2-4, .col-md-2 {
        width: 100%;
        margin-bottom: 1rem;
    }
}

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
   /* background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%); */
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://upload.wikimedia.org/wikipedia/commons/3/3e/Atat%C3%BCrk_TBMM%27den_%C3%A7%C4%B1karken.jpg');
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(20, 0, 0, 0.85) 0%, rgba(40, 0, 0, 0.60) 50%, rgba(60, 0, 0, 0.55) 100%);
}

.hero-title {
    font-weight: 800;
    letter-spacing: -0.02em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Cards */
.card {
    border-radius: 15px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.committee-card {
    background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
}

/* Step Cards */
.step-card {
    text-align: center;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2) !important;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 15px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

/* Timeline */
.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    width: 100%;
}

.timeline-item:nth-child(odd) {
    text-align: right;
    padding-right: 60%;
}

.timeline-item:nth-child(even) {
    text-align: left;
    padding-left: 60%;
}

.timeline-date {
    background: var(--primary-color);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 10px;
}

.timeline-content {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 20px;
    width: 0;
    height: 0;
    border-left: 10px solid white;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
}

.timeline-item:nth-child(even) .timeline-content::after {
    content: '';
    position: absolute;
    left: -10px;
    top: 20px;
    width: 0;
    height: 0;
    border-right: 10px solid white;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    border-radius: 50px;
    padding: 10px 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
    border-radius: 50px;
    border-width: 2px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Form Controls */
.form-control {
    border-radius: 10px;
    border: 2px solid #e2e8f0;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-select {
    border-radius: 10px;
    border: 2px solid #e2e8f0;
    padding: 12px 15px;
}

/* Navbar */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* Badges */
.badge {
    border-radius: 50px;
    padding: 5px 12px;
    font-weight: 500;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        text-align: left;
        padding-left: 50px;
        padding-right: 0;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content::after,
    .timeline-item:nth-child(even) .timeline-content::after {
        left: -10px;
        border-right: 10px solid white;
        border-left: none;
        border-top: 10px solid transparent;
        border-bottom: 10px solid transparent;
    }
}

/* Dashboard specific styles */
.dashboard-card {
    background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.stats-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 15px;
}

.table-hover tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.05);
}

/* Status badges */
.status-pending {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

.status-approved {
    background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
}

.status-rejected {
    background: linear-gradient(135deg, #f87171 0%, #ef4444 100%);
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* File upload area */
.file-upload-area {
    border: 2px dashed #cbd5e0;
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(102, 126, 234, 0.05);
}

.file-upload-area.dragover {
    border-color: var(--primary-color);
    background-color: rgba(102, 126, 234, 0.1);
}

/* Social links */
.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Activity Timeline */
.activity-timeline {
    position: relative;
}

.activity-item {
    position: relative;
    border-bottom: 1px solid #e2e8f0 !important;
}

.activity-item:last-child {
    border-bottom: none !important;
}

.activity-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.activity-icon i {
    font-size: 16px;
}

.activity-content {
    padding-left: 8px;
}

.activity-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.activity-description {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 4px;
    line-height: 1.4;
}

.activity-item small {
    font-size: 12px;
}

/* Dashboard improvements */
.dashboard-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.dashboard-stats {
    padding: 1.5rem;
}

.dashboard-stats h5 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0;
}

.dashboard-stats .card-text {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Navbar Gradient Styling */
.navbar {
    background: var(--gradient-primary) !important;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 10px rgba(61, 0, 0, 0.3);
}

.navbar-brand {
    color: white !important;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 8px;
    margin: 0 2px;
    padding: 8px 16px !important;
}

.navbar-nav .nav-link:hover {
    color: white !important;
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Dropdown Menu */
.dropdown-menu {
    background: white;
    border: none;
    box-shadow: 0 8px 25px rgba(61, 0, 0, 0.15);
    border-radius: 12px;
    margin-top: 8px;
}

.dropdown-item {
    padding: 12px 20px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background: var(--gradient-primary);
    color: white;
}

/* Button Gradient Styling */
.btn-primary {
    background: var(--gradient-primary) !important;
    border: none !important;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(61, 0, 0, 0.2);
}

.btn-primary:hover {
    background: var(--gradient-hover) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(61, 0, 0, 0.3);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color) !important;
    color: var(--primary-color) !important;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--gradient-primary) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(61, 0, 0, 0.3);
}

.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%) !important;
    border: none !important;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.2);
}

.btn-success:hover {
    background: linear-gradient(135deg, #218838 0%, #1e9781 100%) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%) !important;
    border: none !important;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.2);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c82333 0%, #bd2130 100%) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 53, 69, 0.3);
}

.btn-info {
    background: linear-gradient(135deg, #17a2b8 0%, #138496 100%) !important;
    border: none !important;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(23, 162, 184, 0.2);
}

.btn-info:hover {
    background: linear-gradient(135deg, #138496 0%, #117a8b 100%) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(23, 162, 184, 0.3);
}

/* Card Headers with Gradient */
.card-header {
    background: var(--gradient-primary) !important;
    color: white !important;
    font-weight: 600;
    border-bottom: none !important;
}

.card-header.bg-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%) !important;
}

.card-header.bg-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%) !important;
}

.card-header.bg-info {
    background: linear-gradient(135deg, #17a2b8 0%, #138496 100%) !important;
}

.card-header.bg-warning {
    background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%) !important;
    color: #212529 !important;
}

.card-header.bg-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%) !important;
}

.card-header.bg-dark {
    background: linear-gradient(135deg, #343a40 0%, #23272b 100%) !important;
}

/* Admin Dashboard Cards with Gradient */
.dashboard-card.bg-primary {
    background: var(--gradient-primary) !important;
}

.dashboard-card.bg-info {
    background: linear-gradient(135deg, #17a2b8 0%, #138496 100%) !important;
}

.dashboard-card.bg-warning {
    background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%) !important;
}

.dashboard-card.bg-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%) !important;
}

.dashboard-card.bg-dark {
    background: linear-gradient(135deg, #343a40 0%, #23272b 100%) !important;
}

.dashboard-card.bg-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%) !important;
}

/* Badge Styling */
.badge {
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 20px;
}

.badge.bg-warning {
    background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%) !important;
    color: #212529 !important;
}

.badge.bg-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%) !important;
}

.badge.bg-dark {
    background: linear-gradient(135deg, #343a40 0%, #23272b 100%) !important;
}

.badge.bg-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%) !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%) !important;
}