/* ========================================
   Special Event Pages - Professional UI/UX
   ======================================== */

/* Variables */
:root {
    --event-primary: #00539C;  /* 전북테크노파크 메인 컬러 */
    --event-secondary: #00A0E9;
    --event-accent: #00C896;
    --event-dark: #1e293b;
    --event-light: #f8fafc;
    --event-gradient: linear-gradient(135deg, #00539C 0%, #00A0E9 100%);
    --event-gradient-2: linear-gradient(120deg, #00C896 0%, #00A0E9 100%);
    --event-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --event-shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Hero Section */
.event-hero {
    background: var(--event-gradient);
    color: white;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.event-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translateX(0); }
    100% { transform: translateX(50%); }
}

.event-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.event-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    animation: fadeInUp 0.8s ease-out;
}

.event-hero-date {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.event-hero-location {
    font-size: 1.2rem;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.event-hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 30px;
    margin-bottom: 2rem;
    font-weight: 600;
    animation: pulse 2s infinite;
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Navigation Bar Enhancement */
.event-nav {
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s ease;
}

.event-nav.scrolled {
    box-shadow: var(--event-shadow);
}

.event-nav .navbar-nav .nav-link {
    color: var(--event-dark);
    font-weight: 500;
    padding: 1rem 1.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.event-nav .navbar-nav .nav-link:hover {
    color: var(--event-primary);
    transform: translateY(-2px);
}

.event-nav .navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--event-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.event-nav .navbar-nav .nav-link:hover::after,
.event-nav .navbar-nav .nav-link.active::after {
    width: 80%;
}

/* Content Sections */
.event-section {
    padding: 80px 0;
    position: relative;
}

.event-section:nth-child(even) {
    background: var(--event-light);
}

.event-section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--event-dark);
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.event-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--event-gradient);
    border-radius: 2px;
}

/* Cards */
.event-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--event-gradient);
}

.event-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--event-shadow-lg);
}

.event-card-icon {
    width: 60px;
    height: 60px;
    background: var(--event-gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.event-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--event-dark);
    margin-bottom: 1rem;
}

.event-card-description {
    color: #64748b;
    line-height: 1.8;
}

/* Technology Exhibition Cards */
.tech-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.tech-card:hover {
    border-color: var(--event-primary);
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

.tech-card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.tech-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--event-dark);
    margin-bottom: 0.5rem;
}

.tech-card-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--event-gradient);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.tech-card-institution {
    color: var(--event-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.tech-card-description {
    color: #64748b;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Registration Form */
.registration-form {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--event-shadow);
    max-width: 800px;
    margin: 0 auto;
}

.registration-form .form-section {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid #f1f5f9;
}

.registration-form .form-section:last-child {
    border-bottom: none;
}

.registration-form .form-section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--event-dark);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.registration-form .form-section-title i {
    color: var(--event-primary);
}

.registration-form .form-label {
    font-weight: 500;
    color: #475569;
    margin-bottom: 0.5rem;
}

.registration-form .form-control,
.registration-form .form-select {
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

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

.btn-register {
    background: var(--event-gradient);
    color: white;
    border: none;
    padding: 1rem 3rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

/* Schedule Table */
.schedule-table {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.schedule-table .table {
    margin-bottom: 0;
}

.schedule-table thead {
    background: var(--event-gradient);
    color: white;
}

.schedule-table thead th {
    border: none;
    padding: 1rem;
    font-weight: 600;
}

.schedule-table tbody tr {
    transition: all 0.2s ease;
}

.schedule-table tbody tr:hover {
    background: #f8fafc;
}

.schedule-table tbody td {
    padding: 1rem;
    vertical-align: middle;
}

.schedule-time {
    font-weight: 600;
    color: var(--event-primary);
}

.schedule-session {
    font-weight: 600;
    color: var(--event-dark);
}

.schedule-category-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--event-gradient-2);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Location Map */
.location-map {
    height: 500px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--event-shadow);
    margin-bottom: 2rem;
}

.location-info {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.location-info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.location-info-item:hover {
    background: #e2e8f0;
}

.location-info-item i {
    font-size: 1.5rem;
    color: var(--event-primary);
    min-width: 30px;
}

/* Floating Action Buttons */
.event-fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.event-fab-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--event-gradient);
    color: white;
    border: none;
    box-shadow: var(--event-shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.event-fab-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.5);
}

/* Countdown Timer */
.event-countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 3rem 0;
}

.countdown-item {
    text-align: center;
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    min-width: 100px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.countdown-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--event-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.countdown-label {
    font-size: 0.9rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Stats Section */
.event-stats {
    background: var(--event-gradient);
    color: white;
    padding: 60px 0;
    margin: 60px 0;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Feature List */
.event-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-item {
    display: flex;
    align-items: start;
    gap: 1rem;
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: var(--event-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.feature-content h5 {
    font-weight: 600;
    color: var(--event-dark);
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: #64748b;
    margin: 0;
}

/* CTA Section */
.event-cta {
    background: var(--event-gradient);
    color: white;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.event-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.event-cta-content {
    position: relative;
    z-index: 1;
}

.event-cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.event-cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.btn-cta {
    background: white;
    color: var(--event-primary);
    padding: 1rem 3rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* Loading Animation */
.event-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--event-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .event-hero h1 {
        font-size: 2rem;
    }
    
    .event-hero-date {
        font-size: 1.2rem;
    }
    
    .event-section {
        padding: 50px 0;
    }
    
    .event-section-title {
        font-size: 1.8rem;
    }
    
    .event-countdown {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .countdown-item {
        min-width: 80px;
        padding: 1rem;
    }
    
    .countdown-number {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .event-fab {
        bottom: 20px;
        right: 20px;
    }
    
    .event-fab-btn {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

/* Print Styles */
@media print {
    .event-nav,
    .event-hero,
    .event-fab,
    .event-cta,
    .btn-register {
        display: none !important;
    }
    
    .event-section {
        page-break-inside: avoid;
    }
    
    .schedule-table {
        box-shadow: none;
    }
}