/* Custom Styles for Iroha Sakura Audition Page */

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

body {
    overflow-x: hidden;
    font-family: 'M PLUS Rounded 1c', 'Noto Sans JP', sans-serif;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Animated Gradient Background */
@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.animate-gradient {
    background-size: 200% 200%;
    animation: gradient 15s ease infinite;
}

/* Floating Particles */
.particle {
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 8s;
}

.particle:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 2s;
    animation-duration: 10s;
}

.particle:nth-child(3) {
    top: 40%;
    left: 50%;
    animation-delay: 4s;
    animation-duration: 12s;
}

.particle:nth-child(4) {
    top: 80%;
    left: 20%;
    animation-delay: 1s;
    animation-duration: 9s;
}

.particle:nth-child(5) {
    top: 30%;
    left: 70%;
    animation-delay: 3s;
    animation-duration: 11s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-50px) scale(1.2);
        opacity: 1;
    }
}

/* Navbar Scroll Effect */
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

/* Section Title Animation */
.section-title {
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 5px;
    background: linear-gradient(to right, #FF69B4, #00BFFF);
    border-radius: 5px;
}

/* Feature Card Hover Effect */
.feature-card {
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

/* Support Card Animation */
.support-card {
    position: relative;
    overflow: hidden;
}

.support-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: rotate(45deg);
    transition: all 0.5s;
}

.support-card:hover::before {
    left: 100%;
}

/* Icon Circle Pulse */
.icon-circle {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 105, 180, 0.7);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(255, 105, 180, 0);
    }
}

/* Future Card Animation */
.future-card {
    transition: all 0.3s ease;
}

.future-card:hover {
    transform: translateY(-10px) scale(1.02);
}

/* FAQ Item Styling */
.faq-item {
    transition: all 0.3s ease;
}

.faq-item[open] {
    background: linear-gradient(135deg, #fff 0%, #fff5f8 100%);
}

.faq-item summary {
    list-style: none;
    padding: 0;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item[open] summary i.fa-chevron-down {
    transform: rotate(180deg);
}

.faq-item summary i.fa-chevron-down {
    transition: transform 0.3s ease;
}

/* Form Focus Animation */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    transform: scale(1.02);
    box-shadow: 0 0 0 4px rgba(255, 105, 180, 0.1);
}

.form-group input,
.form-group select,
.form-group textarea {
    transition: all 0.3s ease;
}

/* Button Animations */
.btn-primary,
.btn-secondary {
    position: relative;
    overflow: hidden;
}

.btn-primary::before,
.btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before,
.btn-secondary:hover::before {
    width: 300px;
    height: 300px;
}

/* Submit Button Special Effect */
.btn-submit {
    position: relative;
    overflow: hidden;
}

.btn-submit::after {
    content: '✨';
    position: absolute;
    top: 50%;
    left: -50px;
    transform: translateY(-50%);
    font-size: 2rem;
    animation: sparkle 2s linear infinite;
}

@keyframes sparkle {
    0% {
        left: -50px;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        left: calc(100% + 50px);
        opacity: 0;
    }
}

/* Scroll Indicator */
.animate-bounce {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* Success Message Animation */
#success-message {
    animation: slideInUp 0.5s ease-out;
}

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

/* Mobile Optimizations */
@media (max-width: 768px) {
    .particle {
        width: 15px;
        height: 15px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-title::after {
        width: 60px;
        height: 3px;
    }
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #FF69B4, #00BFFF);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.loading.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-spinner {
    width: 80px;
    height: 80px;
    border: 8px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Glowing Text Effect */
.glow-text {
    text-shadow: 0 0 10px rgba(255, 105, 180, 0.8),
                 0 0 20px rgba(255, 105, 180, 0.6),
                 0 0 30px rgba(255, 105, 180, 0.4);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #FF69B4, #00BFFF, #FFD700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Parallax Effect */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* Confetti Animation */
@keyframes confetti-fall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    background: #FFD700;
    animation: confetti-fall 3s linear infinite;
    pointer-events: none;
}

/* Print Styles */
@media print {
    .no-print {
        display: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    body {
        background: white;
        color: black;
    }
    
    .btn-primary,
    .btn-secondary {
        border: 2px solid black;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark Mode Support (Future Enhancement) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here */
}

/* Selection Styling */
::selection {
    background: #FF69B4;
    color: white;
}

::-moz-selection {
    background: #FF69B4;
    color: white;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #FF69B4, #00BFFF);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #ff4da1, #0099cc);
}

/* Focus Visible for Accessibility */
*:focus-visible {
    outline: 3px solid #FF69B4;
    outline-offset: 3px;
}

/* Skip to Content Link (Accessibility) */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #FF69B4;
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* High Performance Mode */
@media (prefers-reduced-data: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}