:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #00d4aa;
    --warning-color: #ffb74d;
    --danger-color: #ff5252;
    --dark-bg: #0f0f23;
    --dark-secondary: #1a1a2e;
    --dark-tertiary: #16213e;
    --text-light: #e4e6ea;
    --text-muted: #8892b0;
    --border-color: #233554;
}

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

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

html {
    scroll-behavior: smooth;
}

/* Navigation */
.navbar {
    background: rgba(15, 15, 35, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
    background: rgba(15, 15, 35, 0.98) !important;
    padding: 0.5rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-nav {
    align-items: center;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--text-light) !important;
    margin: 0 0.3rem;
    padding: 0.7rem 1rem !important;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--accent-color) !important;
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 5px;
    left: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

.admin-link {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color)) !important;
    color: white !important;
    border-radius: 25px !important;
    margin-left: 0.5rem !important;
    padding: 0.5rem 1.2rem !important;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.admin-link:hover {
    transform: translateY(-2px) scale(1.05) !important;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4) !important;
    color: white !important;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color)) !important;
}

/* Dropdown Menu */
.dropdown-menu {
    background: var(--dark-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    padding: 0.8rem 0;
    margin-top: 0.5rem;
    min-width: 280px;
}

.dropdown-item {
    color: var(--text-light);
    padding: 0.7rem 1.5rem;
    transition: all 0.3s ease;
    border-radius: 0;
    display: flex;
    flex-direction: column;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    transform: translateX(5px);
}

.dropdown-item i {
    margin-right: 0.5rem;
    width: 20px;
    text-align: center;
}

.dropdown-item small {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-top: 0.2rem;
}

.dropdown-divider {
    border-color: var(--border-color);
    margin: 0.5rem 0;
}

/* Mobile Navigation */
.navbar-toggler {
    border: 2px solid var(--border-color);
    padding: 0.4rem 0.6rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.navbar-toggler:hover {
    border-color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.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%28228, 230, 234, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 1.5rem;
    height: 1.5rem;
}

/* Mobile Actions */
.navbar-mobile-actions {
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.navbar-mobile-actions .btn {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 25px;
}

/* Mobile Responsive */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--dark-tertiary);
        border-radius: 15px;
        padding: 1.5rem;
        margin-top: 1rem;
        border: 1px solid var(--border-color);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        backdrop-filter: blur(20px);
    }
    
    .navbar-nav .nav-link {
        margin: 0.2rem 0;
        padding: 0.8rem 1rem !important;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid transparent;
        font-size: 1rem;
        min-height: 50px;
        display: flex;
        align-items: center;
    }
    
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
        border-color: var(--primary-color);
        transform: translateX(5px);
        color: white !important;
    }
    
    .navbar-nav .nav-link::before {
        display: none;
    }
    
    .admin-link {
        margin-left: 0 !important;
        margin-top: 0.5rem !important;
        background: linear-gradient(135deg, var(--primary-color), var(--accent-color)) !important;
        color: white !important;
    }
    
    .dropdown-menu {
        position: static !important;
        transform: none !important;
        box-shadow: none;
        border: none;
        background: rgba(255, 255, 255, 0.05);
        margin: 0.5rem 0;
        padding: 0.5rem;
        border-radius: 10px;
        width: 100%;
        min-width: auto;
    }
    
    .dropdown-item {
        padding: 0.8rem 1rem;
        border-radius: 8px;
        margin: 0.2rem 0;
        background: rgba(255, 255, 255, 0.03);
        min-height: 45px;
        font-size: 0.95rem;
    }
    
    .dropdown-item:hover,
    .dropdown-item.active {
        background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
        color: white;
    }
    
    .dropdown-toggle::after {
        float: right;
        margin-top: 0.5rem;
    }
    
    /* Mobile navigation improvements */
    .navbar-toggler {
        padding: 0.5rem 0.7rem;
        font-size: 1.1rem;
    }
    
    .navbar-brand {
        font-size: 1.5rem;
    }
    
    /* Mobile action buttons */
    .navbar-mobile-actions {
        padding: 1.5rem 0 0.5rem 0;
        border-top: 1px solid var(--border-color);
        text-align: center;
    }
    
    .navbar-mobile-actions .btn {
        font-size: 0.9rem;
        padding: 0.6rem 1.2rem;
        border-radius: 25px;
        min-width: 120px;
    }
    
    /* Touch improvements */
    .nav-link,
    .dropdown-item {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
}

/* Tablet responsive */
@media (max-width: 768px) and (min-width: 576px) {
    .navbar-collapse {
        padding: 2rem;
    }
    
    .dropdown-menu {
        margin: 1rem 0;
        padding: 1rem;
    }
    
    .dropdown-item {
        padding: 1rem 1.2rem;
        font-size: 1rem;
    }
}

/* Small mobile devices */
@media (max-width: 575.98px) {
    .navbar {
        padding: 0.8rem 0;
    }
    
    .navbar-brand {
        font-size: 1.3rem;
    }
    
    .navbar-collapse {
        padding: 1rem;
        margin-top: 0.5rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.7rem 0.8rem !important;
        font-size: 0.95rem;
    }
    
    .dropdown-item {
        padding: 0.7rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .navbar-mobile-actions .btn {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
        min-width: 100px;
    }
}

/* Landscape mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .navbar-collapse {
        max-height: 70vh;
        overflow-y: auto;
        padding: 1rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.5rem 0.8rem !important;
        margin: 0.1rem 0;
    }
    
    .dropdown-item {
        padding: 0.5rem 0.8rem;
    }
}

/* Animation improvements */
@media (prefers-reduced-motion: no-preference) {
    .navbar-collapse.collapsing {
        transition: height 0.35s ease;
    }
    
    .navbar-nav .nav-link {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .dropdown-item {
        transition: all 0.2s ease;
    }
}

/* Dark mode adjustments for better contrast */
@media (prefers-color-scheme: dark) {
    .navbar-collapse {
        background: var(--dark-bg);
        border-color: var(--border-color);
    }
    
    .dropdown-menu {
        background: var(--dark-bg);
    }
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-secondary) 50%, var(--dark-tertiary) 100%);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(240, 147, 251, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.particles-container {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    top: 60%;
    left: 70%;
    animation-delay: 2s;
}

.particle:nth-child(3) {
    top: 40%;
    left: 80%;
    animation-delay: 4s;
}

.particle:nth-child(4) {
    top: 80%;
    left: 20%;
    animation-delay: 1s;
}

.particle:nth-child(5) {
    top: 10%;
    left: 90%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
        opacity: 1;
    }
    50% { 
        transform: translateY(-20px) rotate(180deg); 
        opacity: 0.8;
    }
}

.hero-content {
    z-index: 10;
    position: relative;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-text {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.8s both;
}

.hero-buttons {
    animation: fadeInUp 1s ease 1s both;
}

.hero-image {
    position: relative;
    z-index: 5;
}

.floating-card {
    position: absolute;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: floatCard 6s ease-in-out infinite;
}

.floating-card:nth-child(1) {
    top: 20%;
    right: 20%;
}

.floating-card.delay-1 {
    top: 50%;
    right: 60%;
    animation-delay: 2s;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}

.floating-card.delay-2 {
    top: 70%;
    right: 10%;
    animation-delay: 4s;
    background: linear-gradient(135deg, var(--accent-color), var(--success-color));
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

/* Buttons */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border: none;
    padding: 15px 35px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    text-decoration: none;
    display: inline-block;
}

.btn-primary-custom:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
    color: white;
}

.btn-outline-light {
    border: 2px solid var(--text-light);
    color: var(--text-light);
    padding: 15px 35px;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-outline-light:hover {
    background: var(--text-light);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

.btn-register {
    background: linear-gradient(135deg, var(--success-color), #00b894);
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 12px;
    color: white;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    width: 100%;
    text-align: center;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 170, 0.3);
    color: white;
}

/* Sections */
.section-padding {
    padding: 100px 0;
}

.bg-dark-secondary {
    background-color: var(--dark-secondary);
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 3rem;
}

.title-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    margin: 0 auto 2rem;
    border-radius: 2px;
}

/* About Section */
.about-content {
    padding: 2rem 0;
}

.about-subtitle {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-features {
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.feature-item i {
    color: var(--success-color);
    margin-right: 1rem;
    font-size: 1.2rem;
}

.about-image {
    text-align: center;
    padding: 2rem;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 8rem;
    color: white;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: pulse 3s ease-in-out infinite;
}

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

/* Event Cards */
.event-card {
    background: var(--dark-tertiary);
    border-radius: 20px;
    padding: 2rem;
    height: 100%;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

.event-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

.event-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    margin-bottom: 1.5rem;
}

.event-content h4 {
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

.event-day {
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.event-description {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.event-features {
    list-style: none;
    margin-bottom: 2rem;
}

.event-features li {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.event-features i {
    color: var(--success-color);
    margin-right: 0.5rem;
}

/* Team Cards */
.team-card {
    background: var(--dark-tertiary);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    height: 100%;
}

.team-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.team-image {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 3rem;
    color: white;
}

.team-name {
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.team-position {
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 1rem;
}

.team-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Contact Section */
.contact-wrapper {
    background: var(--dark-tertiary);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid var(--border-color);
}

.contact-title {
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.contact-info {
    padding-right: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-right: 1rem;
    margin-top: 0.25rem;
    min-width: 24px;
}

.contact-item strong {
    color: var(--text-light);
    display: block;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--text-muted);
    margin: 0;
    line-height: 1.6;
}

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

.form-control {
    background: var(--dark-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 15px 20px;
    color: var(--text-light);
    font-size: 1rem;
    transition: all 0.3s ease;
}

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

.form-control::placeholder {
    color: var(--text-muted);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    margin-top: 5rem;
}

.footer p {
    color: var(--text-muted);
    margin: 0.5rem 0;
}

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

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

/* Registration Form Styles */
.registration-container {
    min-height: 100vh;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-secondary) 100%);
}

.registration-card {
    background: var(--dark-tertiary);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.registration-header {
    text-align: center;
    margin-bottom: 3rem;
}

.registration-header h2 {
    color: var(--text-light);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.event-info {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 2rem;
}

.registration-success {
    background: linear-gradient(135deg, var(--success-color), #00b894);
    color: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    margin: 2rem 0;
}

.registration-id {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    display: inline-block;
    letter-spacing: 2px;
}

/* Admin Styles */
.admin-container {
    min-height: 100vh;
    padding: 120px 0 80px;
    background: var(--dark-bg);
}

.admin-card {
    background: var(--dark-tertiary);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.admin-header {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 1.5rem;
    border-radius: 15px 15px 0 0;
    margin: -2rem -2rem 2rem -2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stats-card {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.3);
}

.stats-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stats-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Table Styles */
.table-responsive {
    background: var(--dark-bg);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.table {
    margin: 0;
    color: var(--text-light);
}

.table th {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    font-weight: 600;
    padding: 1.5rem 1rem;
    font-size: 0.95rem;
}

.table td {
    padding: 1rem;
    border-color: var(--border-color);
    background: var(--dark-tertiary);
    vertical-align: middle;
}

.table tbody tr:hover {
    background: var(--dark-secondary);
}

.badge {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 500;
}

.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color)) !important;
}

/* Search Bar */
.search-container {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 2rem;
}

.search-input {
    width: 300px;
}

/* Login Form */
.login-card {
    max-width: 500px;
    margin: 0 auto;
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 2rem;
    border-radius: 20px 20px 0 0;
    text-align: center;
}

.login-body {
    background: var(--dark-tertiary);
    padding: 3rem;
    border-radius: 0 0 20px 20px;
    border: 1px solid var(--border-color);
    border-top: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .section-padding {
        padding: 60px 0;
    }
    
    .hero-buttons {
        text-align: center;
    }
    
    .btn-primary-custom,
    .btn-outline-light {
        display: block;
        margin: 0.5rem 0;
        width: 100%;
    }
    
    .floating-card {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .contact-info {
        padding-right: 0;
        margin-bottom: 3rem;
    }
    
    .registration-card {
        padding: 2rem;
    }
    
    .admin-card {
        padding: 1.5rem;
    }
    
    .search-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-input {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table-responsive {
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .registration-id {
        font-size: 2rem;
        padding: 1rem;
    }
    
    .event-card {
        padding: 1.5rem;
    }
    
    .team-card {
        padding: 1.5rem;
    }
    
    .contact-wrapper {
        padding: 2rem;
    }
}

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

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Success/Error Messages */
.alert {
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    border: none;
}

.alert-success {
    background: linear-gradient(135deg, var(--success-color), #00b894);
    color: white;
}

.alert-danger {
    background: linear-gradient(135deg, var(--danger-color), #e74c3c);
    color: white;
}

.alert-warning {
    background: linear-gradient(135deg, var(--warning-color), #f39c12);
    color: white;
}