/* ========================================
   樱乃·悠璃的可爱主题样式
   Kawaii Style for Yuri's Page
   ======================================== */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --kawaii-pink: #ffb6c1;
    --kawaii-pink-light: #ffcfe0;
    --kawaii-pink-dark: #ff91a4;
    --kawaii-blue: #a0c0ff;
    --kawaii-purple: #d4b5ff;
    --kawaii-yellow: #fff4b5;
    --kawaii-green: #b5ffd4;
    --kawaii-white: #fff9fb;
    --kawaii-gray: #f5f5f5;
    --kawaii-shadow: rgba(255, 182, 193, 0.3);
    --kawaii-text: #5a4a4a;
    --kawaii-accent: #ff6b9d;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
    background: var(--kawaii-white);
    color: var(--kawaii-text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* 可爱背景层 */
.kawaii-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, var(--kawaii-pink-light) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, var(--kawaii-blue) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, var(--kawaii-purple) 0%, transparent 40%),
        linear-gradient(135deg, var(--kawaii-white) 0%, #f0f8ff 100%);
    z-index: -3;
    animation: bgShift 20s infinite ease-in-out;
}

@keyframes bgShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* 飘浮爱心 */
.floating-hearts {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -2;
}

.floating-hearts::before,
.floating-hearts::after {
    content: '♡';
    position: absolute;
    color: var(--kawaii-pink);
    font-size: 20px;
    opacity: 0.3;
    animation: floatHeart 15s infinite linear;
}

.floating-hearts::before {
    left: 10%;
    animation-delay: 0s;
}

.floating-hearts::after {
    left: 80%;
    animation-delay: 7s;
}

@keyframes floatHeart {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-50px) rotate(360deg);
        opacity: 0;
    }
}

/* 闪光效果 */
.sparkle-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 30% 20%, rgba(255,215,255,0.3) 0%, transparent 30%),
        radial-gradient(circle at 70% 60%, rgba(255,255,215,0.2) 0%, transparent 25%),
        radial-gradient(circle at 50% 80%, rgba(215,255,255,0.2) 0%, transparent 35%);
    z-index: -1;
    pointer-events: none;
    animation: sparkleFloat 8s infinite ease-in-out;
}

@keyframes sparkleFloat {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ========================================
   声明弹出页面
   ======================================== */
.disclaimer-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(10px);
}

.disclaimer-modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.disclaimer-container {
    background: var(--kawaii-white);
    border: 3px solid var(--kawaii-pink);
    border-radius: 20px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 10px 30px var(--kawaii-shadow);
    animation: popIn 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes popIn {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.disclaimer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--kawaii-pink-light);
}

.disclaimer-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--kawaii-pink);
    text-shadow: 0 0 10px rgba(255, 182, 193, 0.3);
}

.disclaimer-close {
    background: none;
    border: none;
    color: var(--kawaii-pink);
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.disclaimer-close:hover {
    background: var(--kawaii-pink);
    color: white;
    transform: rotate(90deg);
}

.disclaimer-content {
    margin-bottom: 1.5rem;
    max-height: 300px;
    overflow-y: auto;
    color: var(--kawaii-text);
    font-size: 0.9rem;
    line-height: 1.8;
}

.kawaii-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--kawaii-pink), var(--kawaii-purple));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    position: relative;
    animation: badgeBounce 2s infinite;
}

@keyframes badgeBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.sparkles {
    position: absolute;
    top: -5px;
    right: -5px;
    animation: sparkle 1.5s infinite;
}

@keyframes sparkle {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.disclaimer-content p {
    margin-bottom: 0.8rem;
}

.highlight-pink {
    color: var(--kawaii-pink);
    font-weight: bold;
}

.disclaimer-content ul {
    margin-left: 1.5rem;
    margin-bottom: 0.8rem;
}

.disclaimer-content li {
    margin-bottom: 0.5rem;
    color: var(--kawaii-text);
}

.disclaimer-divider {
    border: none;
    border-top: 2px solid var(--kawaii-pink-light);
    margin: 1rem 0;
}

.disclaimer-footer {
    text-align: center;
    font-size: 0.85rem;
    color: var(--kawaii-pink);
    margin-bottom: 1.5rem;
}

.disclaimer-footer-btn {
    display: flex;
    gap: 1rem;
}

.btn-enter {
    flex: 1;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, var(--kawaii-pink), var(--kawaii-purple));
    color: white;
    border: none;
    border-radius: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-enter:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px var(--kawaii-shadow);
}

.btn-enter:active {
    transform: translateY(0);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 2rem;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-block;
    background: var(--kawaii-pink);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
    margin-bottom: 1rem;
    animation: badgePulse 2s infinite;
}

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

.badge-text {
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

.hero-title {
    margin-bottom: 2rem;
}

.greeting-text {
    display: block;
    font-size: 1.2rem;
    color: var(--kawaii-pink);
    margin-bottom: 0.5rem;
    animation: wave 2s infinite;
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(5deg); }
    75% { transform: rotate(-5deg); }
}

.title-main {
    display: block;
    font-family: 'Arial', sans-serif;
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: bold;
    color: var(--kawaii-pink);
    text-shadow: 
        3px 3px 0 var(--kawaii-pink-light),
        6px 6px 0 rgba(255, 182, 193, 0.3);
    margin-bottom: 0.5rem;
    animation: titleFloat 3s infinite ease-in-out;
}

@keyframes titleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.title-sub {
    display: block;
    font-size: clamp(1.2rem, 3vw, 2rem);
    color: var(--kawaii-purple);
    font-weight: bold;
    letter-spacing: 0.1em;
}

.hero-subtitle {
    margin: 2rem 0;
    font-size: 1.1rem;
}

.subtitle-line {
    display: block;
    margin: 0.5rem 0;
    color: var(--kawaii-text);
}

.subtitle-line.cute {
    color: var(--kawaii-pink);
    font-style: italic;
}

.hero-intro {
    margin-top: 3rem;
}

.intro-card {
    background: rgba(255, 255, 255, 0.9);
    border: 3px solid var(--kawaii-pink);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    box-shadow: 0 10px 30px var(--kawaii-shadow);
    animation: cardFloat 3s infinite ease-in-out;
    max-width: 500px;
    margin: 0 auto;
}

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

.intro-icon {
    font-size: 3rem;
    animation: iconBounce 2s infinite;
}

@keyframes iconBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.intro-content {
    text-align: left;
}

.intro-text {
    margin: 0.3rem 0;
    font-size: 1rem;
    line-height: 1.6;
}

.kawaii-text {
    color: var(--kawaii-pink);
    font-weight: bold;
}

.sub-text {
    color: #888;
    font-size: 0.9rem;
}

.hobby-text {
    color: var(--kawaii-purple);
    font-style: italic;
}

.rail-trigger {
    color: var(--kawaii-blue);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.rail-trigger:hover {
    color: var(--kawaii-pink);
    text-shadow: 0 0 10px rgba(255, 182, 193, 0.5);
}

/* ========================================
   PROFILE SECTION
   ======================================== */
.profile-section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.section-title {
    font-family: 'Arial', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--kawaii-pink);
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.profile-card {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--kawaii-pink-light);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.profile-card:hover {
    transform: translateY(-5px);
    border-color: var(--kawaii-pink);
    box-shadow: 0 10px 25px var(--kawaii-shadow);
}

.profile-card.special {
    border-color: var(--kawaii-purple);
    background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(212,181,255,0.1));
}

.profile-card.quote {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--kawaii-pink-light), var(--kawaii-purple));
    color: white;
    border: none;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    animation: iconRotate 3s infinite;
}

@keyframes iconRotate {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(10deg); }
    75% { transform: rotate(-10deg); }
}

.card-label {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 0.5rem;
}

.card-value {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--kawaii-pink);
    margin-bottom: 0.5rem;
}

.card-note {
    font-size: 0.85rem;
    color: #aaa;
    font-style: italic;
}

.card-quote {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 0.5rem;
}

.card-quote-sub {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ========================================
   LIKES SECTION
   ======================================== */
.likes-section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.5);
}

.likes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.like-card {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--kawaii-pink-light);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.like-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

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

.like-card:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: var(--kawaii-pink);
    box-shadow: 0 10px 25px var(--kawaii-shadow);
}

.like-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    animation: iconBounce 2s infinite;
}

.like-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--kawaii-pink);
    margin-bottom: 0.5rem;
}

.like-desc {
    font-size: 0.9rem;
    color: #888;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.like-card:hover .like-desc {
    opacity: 1;
    transform: translateY(0);
}

.like-sparkle {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 1.2rem;
    opacity: 0;
    animation: sparkleRotate 2s infinite;
}

.like-card:hover .like-sparkle {
    opacity: 1;
}

@keyframes sparkleRotate {
    0%, 100% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.2); }
}

/* ========================================
   LINKS SECTION
   ======================================== */
.links-section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.link-card {
    display: block;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--kawaii-blue);
    border-radius: 15px;
    padding: 1.5rem;
    text-decoration: none;
    color: var(--kawaii-text);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.link-card:hover {
    border-color: var(--kawaii-pink);
    box-shadow: 0 10px 25px var(--kawaii-shadow);
    transform: translateY(-3px);
}

.link-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.link-icon {
    font-size: 1.5rem;
}

.link-title {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--kawaii-pink);
}

.link-desc {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.link-hint {
    font-size: 0.8rem;
    color: var(--kawaii-purple);
    font-style: italic;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.link-card:hover .link-hint {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    padding: 3rem 2rem 2rem;
    text-align: center;
    border-top: 3px solid var(--kawaii-pink);
    background: rgba(255, 255, 255, 0.7);
    position: relative;
}

.footer-decoration {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    background: var(--kawaii-white);
    padding: 0 1rem;
}

.deco-1, .deco-2, .deco-3 {
    font-size: 1.2rem;
    animation: float 2s infinite ease-in-out;
}

.deco-2 {
    animation-delay: 0.5s;
}

.deco-3 {
    animation-delay: 1s;
}

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

.footer-line {
    margin: 0.5rem 0;
    display: block;
}

.footer-text {
    color: #666;
    font-size: 0.9rem;
}

.footer-note {
    color: var(--kawaii-purple);
    font-size: 0.8rem;
}

.lyric {
    font-style: italic;
    margin-top: 1rem;
    color: var(--kawaii-pink);
    font-weight: bold;
}

.footer-copyright {
    color: var(--kawaii-pink);
    font-weight: bold;
    font-size: 1rem;
}

/* ========================================
   RAIL EASTER EGG OVERLAY
   ======================================== */
.rail-easter-egg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 182, 193, 0.95);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.rail-easter-egg-overlay.active {
    display: flex;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.train-icon {
    font-size: 5rem;
    animation: trainBounce 1s infinite;
}

@keyframes trainBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.rail-text {
    font-family: 'Arial', sans-serif;
    font-size: 2rem;
    color: var(--kawaii-pink);
    margin: 1rem 0;
    font-weight: bold;
}

.rail-subtext {
    font-size: 1.2rem;
    color: var(--kawaii-purple);
    opacity: 0.8;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    .hero {
        padding: 1rem;
    }
    
    .title-main {
        font-size: 2.5rem;
    }
    
    .title-sub {
        font-size: 1.2rem;
    }
    
    .intro-card {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-grid,
    .likes-grid,
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-card.quote {
        grid-column: span 1;
    }
    
    .link-card {
        padding: 1rem;
    }
    
    .footer-decoration {
        display: none;
    }
}

/* ========================================
   SCROLLBAR
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--kawaii-white);
}

::-webkit-scrollbar-thumb {
    background: var(--kawaii-pink);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--kawaii-pink-dark);
}

/* 内容滚动条样式 */
.disclaimer-content::-webkit-scrollbar {
    width: 6px;
}

.disclaimer-content::-webkit-scrollbar-track {
    background: var(--kawaii-pink-light);
    border-radius: 3px;
}

.disclaimer-content::-webkit-scrollbar-thumb {
    background: var(--kawaii-pink);
    border-radius: 3px;
}