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

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #f9fafb;
    --white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 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);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.main-header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background: var(--primary-color);
    color: var(--white);
    padding: 10px 0;
    font-size: 14px;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-info span {
    margin-right: 20px;
}

.header-info i, .header-links i {
    margin-right: 5px;
}

.header-links a {
    color: var(--white);
    text-decoration: none;
    margin-left: 15px;
    transition: opacity 0.3s;
}

.header-links a:hover {
    opacity: 0.8;
}

.main-nav {
    padding: 15px 0;
}

.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.logo a {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
    padding: 5px 0;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 24px;
    margin-bottom: 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

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

.btn-primary:hover {
    background: #1e40af;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--text-light);
    color: var(--white);
}

.btn-secondary:hover {
    background: #4b5563;
}

.btn-small {
    padding: 8px 20px;
    font-size: 14px;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* Sections */
.about-section,
.faculties-section,
.news-section,
.events-section {
    padding: 80px 0;
}

.about-section {
    background: var(--white);
    text-align: center;
}

.about-section h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-section p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 30px;
}

/* Faculties Grid */
.faculties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.faculty-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.faculty-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.faculty-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.faculty-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.news-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.news-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-placeholder {
    width: 100%;
    height: 200px;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--text-light);
}

.news-content {
    padding: 20px;
}

.news-category {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    margin-bottom: 10px;
}

.news-content h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.news-meta {
    display: flex;
    gap: 20px;
    margin-top: 15px;
    font-size: 14px;
    color: var(--text-light);
}

.news-meta i {
    margin-right: 5px;
}

/* Events */
.events-list {
    margin-top: 40px;
}

.event-card {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    display: flex;
    gap: 20px;
    align-items: center;
}

.event-date {
    text-align: center;
    background: var(--primary-color);
    color: var(--white);
    padding: 15px;
    border-radius: 10px;
    min-width: 80px;
}

.event-date .day {
    display: block;
    font-size: 32px;
    font-weight: bold;
}

.event-date .month {
    display: block;
    font-size: 14px;
    text-transform: uppercase;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 60px 0;
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 15px;
}

.breadcrumb {
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a {
    color: var(--white);
    text-decoration: none;
}

/* Stats Section */
.stats-section {
    padding: 60px 0;
    background: var(--bg-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.stat-card h3 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Mission Vision */
.mission-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.mission-card,
.vision-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.mission-card h3,
.vision-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Values */
.values-section {
    margin-top: 60px;
}

.values-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-item {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.value-item i {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.value-item h4 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* Programs */
.programs-section {
    padding: 60px 0;
}

.filter-section {
    margin-bottom: 40px;
}

.faculty-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.filter-btn {
    padding: 10px 20px;
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 5px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.program-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.program-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.program-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.program-header i {
    font-size: 36px;
    color: var(--primary-color);
}

.degree-badge {
    background: var(--accent-color);
    color: var(--white);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
}

.program-info {
    display: flex;
    gap: 20px;
    margin: 15px 0;
    font-size: 14px;
    color: var(--text-light);
}

/* Forms */
.login-section,
.register-section,
.contact-section {
    padding: 60px 0;
}

.login-wrapper,
.register-wrapper,
.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.login-box,
.register-box {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

.login-box h2,
.register-box h2 {
    margin-bottom: 30px;
    color: var(--primary-color);
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 16px;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.login-footer,
.register-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--text-light);
}

.login-footer a,
.register-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
}

.contact-info h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-top: 5px;
}

.contact-item h4 {
    margin-bottom: 5px;
    color: var(--primary-color);
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid var(--success-color);
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid var(--error-color);
}

.alert i {
    margin-right: 10px;
}

/* Footer */
.main-footer {
    background: var(--text-color);
    color: var(--white);
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.social-links a:hover {
    background: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Dashboard */
.dashboard-section {
    padding: 40px 0;
}

.dashboard-wrapper {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 30px;
}

.dashboard-sidebar {
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 20px;
    height: fit-content;
}

.profile-card {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    background: var(--bg-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 36px;
    color: var(--primary-color);
}

.dashboard-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dashboard-nav a {
    padding: 12px;
    text-decoration: none;
    color: var(--text-color);
    border-radius: 5px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.dashboard-nav a:hover,
.dashboard-nav a.active {
    background: var(--primary-color);
    color: var(--white);
}

.dashboard-content {
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 30px;
}

.welcome-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 30px;
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.info-card {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: 10px;
}

.info-card i {
    font-size: 32px;
    color: var(--primary-color);
}

.quick-links {
    margin-top: 30px;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.quick-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s;
}

.quick-link:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-5px);
}

.quick-link i {
    font-size: 32px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn {
    padding: 10px 15px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s;
}

.page-btn:hover,
.page-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

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

.info-box {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
    display: flex;
    gap: 15px;
    align-items: center;
}

.info-box i {
    font-size: 24px;
    color: var(--primary-color);
}

.semester-info {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.semester-info h2 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.course-card {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.course-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.course-header h4 {
    color: var(--primary-color);
    font-weight: bold;
}

.status-badge {
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.active {
    background: #d1fae5;
    color: #065f46;
}

.status-badge.completed {
    background: #dbeafe;
    color: #1e40af;
}

.status-badge.failed {
    background: #fee2e2;
    color: #991b1b;
}

.status-badge.dropped {
    background: #f3f4f6;
    color: #4b5563;
}

.course-info {
    margin: 15px 0;
    color: var(--text-light);
    font-size: 14px;
}

.course-info i {
    margin-right: 5px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100px;
        left: -100%;
        background: var(--white);
        width: 100%;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-content p {
        font-size: 18px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .dashboard-wrapper {
        grid-template-columns: 1fr;
    }

    .dashboard-sidebar {
        order: 2;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}