@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Modern Color Palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);

    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f5576c;
    --success-color: #00f2fe;

    --bg-dark: #0f0f23;
    --bg-card: #1a1a2e;
    --bg-hover: #252540;

    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --text-muted: #6b6b8c;

    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.3);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(245, 87, 108, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    z-index: -1;
    animation: bgShift 20s ease infinite;
}

@keyframes bgShift {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }
}

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

/* Navigation */
.navbar {
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
    flex-wrap: nowrap;
}

.nav-links li {
    white-space: nowrap;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

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

.btn-danger {
    background: linear-gradient(135deg, #f5576c 0%, #f093fb 100%);
    color: white;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 0;
}

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

.card:hover::before {
    opacity: 0.05;
}

.card>* {
    position: relative;
    z-index: 1;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-hover);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Date Input Custom Styling */
.date-input-custom {
    position: relative;
    cursor: pointer;
    color: var(--text-primary);
}

/* Takvim simgesini her zaman görünür yap */
.date-input-custom::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 1;
    font-size: 1.2rem;
    padding: 0.5rem;
    margin-left: -0.5rem;
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 2rem;
    height: 2rem;
}

/* Tarih seçilmediğinde placeholder göster */
.date-input-custom::-webkit-datetime-edit-text,
.date-input-custom::-webkit-datetime-edit-month-field,
.date-input-custom::-webkit-datetime-edit-day-field,
.date-input-custom::-webkit-datetime-edit-year-field {
    color: var(--text-primary);
}

/* Boş olduğunda placeholder rengi */
.date-input-custom:not(:focus):invalid {
    color: var(--text-secondary);
}

/* Firefox için */
.date-input-custom::-moz-placeholder {
    color: var(--text-secondary);
    opacity: 1;
}

/* Password Strength Indicator */
.password-strength {
    margin-top: 0.5rem;
    height: 4px;
    background: var(--bg-hover);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.password-strength-bar {
    height: 100%;
    width: 0;
    transition: var(--transition-normal);
    border-radius: 2px;
}

.password-strength-bar.weak {
    width: 33%;
    background: #f5576c;
}

.password-strength-bar.medium {
    width: 66%;
    background: #ffa726;
}

.password-strength-bar.strong {
    width: 100%;
    background: #00f2fe;
}

.password-requirements {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: rgba(102, 126, 234, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    display: none;
    animation: fadeIn 0.3s ease;
}

.password-requirements.show {
    display: block;
}

.password-requirements ul {
    list-style: none;
    margin-top: 0.5rem;
}

.password-requirements li {
    padding: 0.25rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.password-requirements li::before {
    content: '○';
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.password-requirements li.valid::before {
    content: '✓';
    color: var(--success-color);
}

/* Event Grid */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.event-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
}

.event-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.event-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--dark-gradient);
}

.event-content {
    padding: 1.5rem;
}

.event-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.event-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.event-description {
    color: var(--text-secondary);
    margin: 1rem 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.event-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.event-price {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--success-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

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

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

.badge-danger {
    background: var(--secondary-gradient);
    color: white;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
    transform: rotate(90deg);
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

/* Alert */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    border-left: 4px solid;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.alert-success {
    background: rgba(0, 242, 254, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background: rgba(245, 87, 108, 0.1);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.alert-info {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 0;
    position: relative;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 1200px) {
    .nav-links {
        gap: 1rem;
    }

    .nav-links li {
        font-size: 0.9rem;
    }
}

@media (max-width: 992px) {
    .nav-links {
        gap: 0.75rem;
    }

    .nav-links li {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem !important;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 0.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-links li {
        font-size: 0.85rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    /* Arama ve filtreler responsive */
    .search-filter>div {
        grid-template-columns: 1fr !important;
        gap: 0.75rem !important;
    }

    .search-filter input,
    .search-filter select {
        width: 100% !important;
        min-width: unset !important;
    }

    .events-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }
}

/* Tablet için orta ayar */
@media (max-width: 992px) and (min-width: 769px) {
    .search-filter>div {
        grid-template-columns: 1fr 1fr !important;
    }

    .search-filter input[type="text"] {
        grid-column: 1 / -1;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-gradient);
}