/* ========================================
   视觉小说工作室官网 - 基础样式
   ======================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-pine-ink);
    background: var(--gradient-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* --------------------
   滚动条样式
   -------------------- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-sakura);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-sakura-dark);
}

/* --------------------
   选择文本样式
   -------------------- */
::selection {
    background: var(--color-sakura);
    color: var(--color-white);
}

/* --------------------
   链接基础样式
   -------------------- */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:focus-visible {
    outline: 2px solid var(--color-sakura);
    outline-offset: 2px;
}

/* --------------------
   图片基础样式
   -------------------- */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --------------------
   按钮基础样式
   -------------------- */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: all var(--transition-fast);
}

button:focus-visible {
    outline: 2px solid var(--color-sakura);
    outline-offset: 2px;
}

/* --------------------
   表单元素基础样式
   -------------------- */
input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
}

/* --------------------
   列表基础样式
   -------------------- */
ul,
ol {
    list-style: none;
}

/* --------------------
   加载画面样式
   -------------------- */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-loading);
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    padding: var(--space-8);
}

.loading-logo {
    font-size: var(--text-6xl);
    color: var(--color-sakura);
    margin-bottom: var(--space-4);
    animation: pulse 2s ease-in-out infinite;
}

.loading-text {
    font-size: var(--text-lg);
    color: var(--color-pine-ink);
    margin-bottom: var(--space-6);
    font-weight: var(--font-medium);
}

.loading-progress {
    width: 200px;
    height: 4px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto var(--space-4);
}

.loading-bar {
    height: 100%;
    background: var(--gradient-gold);
    border-radius: var(--radius-full);
    animation: loading-progress 2s ease-in-out infinite;
}

.loading-tips {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    font-style: italic;
}

@keyframes loading-progress {
    0% { width: 0%; transform: translateX(-100%); }
    50% { width: 100%; transform: translateX(0); }
    100% { width: 100%; transform: translateX(100%); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

/* --------------------
   导航栏样式
   -------------------- */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    padding: var(--space-4) 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    background: transparent;
}

.main-nav.hide-up {
    transform: translateY(-100%);
    opacity: 0;
}

/* 从灵动岛返回时保持居中定位 */
.main-nav.scrolled.hide-up {
    transform: translateX(-50%) translateY(-100%);
}

.main-nav.scrolled {
    top: 8px;
    left: 50%;
    transform: translateX(-50%) translateY(0);
    width: auto;
    min-width: auto;
    max-width: 90%;
    padding: 6px 20px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: 50px;
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.1),
        0 2px 8px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.3);
    opacity: 1;
    animation: dynamic-island-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes dynamic-island-pop {
    0% {
        transform: translateX(-50%) translateY(-30px) scale(0.95);
        opacity: 0;
    }
    60% {
        transform: translateX(-50%) translateY(3px) scale(1.01);
        opacity: 1;
    }
    100% {
        transform: translateX(-50%) translateY(0) scale(1);
        opacity: 1;
    }
}

/* 回到顶部时头部弹回动画 */
.main-nav.back-to-top {
    animation: header-pop-down 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes header-pop-down {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    60% {
        transform: translateY(8px);
        opacity: 1;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 灵动岛模式下隐藏工作室名字 */
.main-nav.scrolled .nav-logo .logo-text {
    display: none;
}

/* 灵动岛模式下调整logo */
.main-nav.scrolled .nav-logo {
    font-size: 0;
    gap: 0;
}

/* 灵动岛模式下调整导航菜单 */
.main-nav.scrolled .nav-menu {
    gap: var(--space-4);
}

.main-nav.scrolled .nav-link {
    font-size: var(--text-sm);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-nav.scrolled .nav-container {
    padding: 0 var(--space-2);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-pine-ink);
    transition: transform var(--transition-fast);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: var(--text-2xl);
    color: var(--color-sakura);
    margin: 0 10px 0 0;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}
.nav-menu li {
    display: flex;
}
.nav-link {
    position: relative;
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-pine-ink);
    padding: var(--space-2) 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-sakura);
    transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-sakura-dark);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* 导航操作按钮 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.lang-switch {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-pine-ink);
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lang-switch:hover {
    background: var(--color-sakura);
    border-color: var(--color-sakura);
    color: white;
    transform: scale(1.1);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-pine-ink);
    transition: all 0.3s ease;
}

/* 灵动岛模式下的nav-actions */
.main-nav.scrolled .nav-actions {
    gap: var(--space-2);
    margin-left: var(--space-2);
}

.main-nav.scrolled .lang-switch {
    width: 32px;
    height: 32px;
    font-size: var(--text-xs);
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.main-nav.scrolled .lang-switch:hover {
    background: var(--color-sakura);
    border-color: var(--color-sakura);
    transform: scale(1.15);
    box-shadow: 0 2px 8px rgba(255, 107, 129, 0.4);
}

.main-nav.scrolled .mobile-menu-toggle {
    padding: var(--space-1);
    gap: 4px;
}

.main-nav.scrolled .mobile-menu-toggle span {
    width: 18px;
    height: 2px;
    background: var(--color-pine-ink);
    border-radius: 1px;
}

.main-nav.scrolled .mobile-menu-toggle:hover span {
    background: var(--color-sakura);
}

/* --------------------
   Canvas背景
   -------------------- */
.sakura-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: var(--z-negative);
}

/* --------------------
   主要内容区域
   -------------------- */
.main-content {
    position: relative;
    z-index: var(--z-base);
}

/* --------------------
   区块通用样式
   -------------------- */
section {
    position: relative;
    padding: var(--section-padding-y) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
    padding: 0 var(--container-padding);
}

.section-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-sakura-dark);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-4);
    position: relative;
}

.section-label::before,
.section-label::after {
    content: '✿';
    margin: 0 var(--space-2);
    opacity: 0.5;
}

.section-title {
    font-family: var(--font-serif);
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-pine-ink);
    margin-bottom: var(--space-4);
}

.section-desc {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* --------------------
   玻璃拟态卡片
   -------------------- */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--glass-shadow);
}

/* --------------------
   GAL风格对话框
   -------------------- */
.dialog-box {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid var(--color-sakura);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    position: relative;
    box-shadow: var(--shadow-lg);
}

.dialog-box::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 30px;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.95);
    border-right: 2px solid var(--color-sakura);
    border-bottom: 2px solid var(--color-sakura);
    transform: rotate(45deg);
}

.dialog-text {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-pine-ink);
}

/* --------------------
   页脚样式
   -------------------- */
.main-footer {
    background: var(--color-pine-ink);
    color: var(--color-moon-white);
    padding: var(--space-12) 0 var(--space-8);
}

.footer-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.footer-logo {
    font-size: var(--text-2xl);
    color: var(--color-sakura);
}

.footer-name {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.footer-links a {
    color: var(--color-gray-400);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-sakura);
}

.footer-info {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.footer-info p {
    margin-bottom: var(--space-1);
}

/* --------------------
   模态框遮罩
   -------------------- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* --------------------
   彩蛋模态框
   -------------------- */
.easter-egg-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    max-width: 90vw;
    max-height: 90vh;
}

.easter-egg-modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.easter-egg-modal .modal-content {
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
    position: relative;
    min-width: 320px;
    max-width: 600px;
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    color: var(--color-pine-ink);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-sakura-light);
    color: var(--color-white);
}

.theater-scene h3 {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    color: var(--color-pine-ink);
    text-align: center;
    margin-bottom: var(--space-6);
}

.theater-dialog {
    space-y: var(--space-4);
}

.dialog-line {
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
    animation: fade-in-up 0.5s ease forwards;
}

.dialog-line .speaker {
    font-weight: var(--font-semibold);
    color: var(--color-sakura-dark);
    margin-bottom: var(--space-1);
}

.dialog-line .content {
    color: var(--color-pine-ink);
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}