/*
 * =========================================================================
 * 
 *  开发者：染年
 *  开发语言：Cascading Style Sheets(CSS)
 *  作用：该文件用于本程序的全局样式服务
 *  文件地址：static/css/style.css
 * 
 * =========================================================================
 */

/* 全局样式 */
:root {
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;
    --secondary-50: #f5f3ff;
    --secondary-100: #ede9fe;
    --secondary-200: #ddd6fe;
    --secondary-300: #c4b5fd;
    --secondary-400: #a78bfa;
    --secondary-500: #8b5cf6;
    --secondary-600: #7c3aed;
    --secondary-700: #6d28d9;
    --secondary-800: #5b21b6;
    --secondary-900: #4c1d95;
    --dark-100: #d1d5db;
    --dark-200: #9ca3af;
    --dark-300: #6b7280;
    --dark-400: #4b5563;
    --dark-500: #374151;
    --dark-600: #1f2937;
    --dark-700: #111827;
    --dark-800: #0f172a;
    --dark-900: #0a0f1a;
}

/* 按钮图标样式 */
button i {
    pointer-events: none;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
.dark ::-webkit-scrollbar-track {
    background: var(--dark-700);
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
.dark ::-webkit-scrollbar-thumb {
    background: var(--dark-400);
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}
.dark ::-webkit-scrollbar-thumb:hover {
    background: var(--dark-300);
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 加载动画 */
.loader {
    border-top-color: var(--primary-500);
    -webkit-animation: spinner 1.5s linear infinite;
    animation: spinner 1.5s linear infinite;
}
@-webkit-keyframes spinner {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
}
@keyframes spinner {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 导航栏滚动效果 */
.navbar-fixed {
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.dark .navbar-fixed {
    background-color: rgba(15, 23, 42, 0.9);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* 3D背景画布 */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* 项目卡片悬停放大效果 */
.project-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.project-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
.dark .project-card:hover {
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

/* 技能图标动画 */
.skill-icon {
    transition: all 0.3s ease;
}
.skill-icon:hover {
    transform: translateY(-5px) scale(1.1);
}

/* 导航链接样式 */
.nav-link {
    position: relative;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}
.nav-link.active::after {
    width: 100%;
}

/* 导航按钮样式 */
#theme-toggle,
#bg-color-toggle,
#menu-toggle {
    transition: all 0.3s ease;
}
#theme-toggle:hover,
#bg-color-toggle:hover,
#menu-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.dark #theme-toggle:hover,
.dark #bg-color-toggle:hover,
.dark #menu-toggle:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* 按钮悬停效果 */
.btn-primary {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    transform-style: preserve-3d;
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
}
.btn-primary:hover::before {
    left: 100%;
}
.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}
.btn-primary:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.2);
}

/* 按钮焦点效果 */
.btn-primary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

/* 边框按钮样式 */
a[href="#contact-me-btn"] {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
a[href="#contact-me-btn"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
    transition: width 0.3s ease;
    z-index: -1;
}
a[href="#contact-me-btn"]:hover::before {
    width: 100%;
}
a[href="#contact-me-btn"]:hover {
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

/* 文字渐变效果 */
.text-gradient {
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 时间线样式 */
.timeline-container {
    position: relative;
}
.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 15px;
    height: 100%;
    width: 2px;
    background-color: #e5e7eb;
}
.dark .timeline-container::before {
    background-color: var(--dark-500);
}
.timeline-item {
    position: relative;
    padding-left: 40px;
    margin-bottom: 20px;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--primary-500);
    border: 3px solid white;
}
.dark .timeline-item::before {
    border: 3px solid var(--dark-700);
}

/* 移动端菜单样式 */
#mobile-menu {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(-10px);
    visibility: hidden;
}
#mobile-menu:not(.hidden) {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}
.mobile-nav-link {
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}
.mobile-nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.5s ease;
}
.mobile-nav-link:hover::before {
    left: 100%;
}
.mobile-nav-link:hover {
    transform: translateX(5px);
    color: var(--primary-500);
}

/* 菜单切换按钮动画 */
#menu-toggle {
    transition: all 0.3s ease;
}
#menu-toggle.active {
    transform: rotate(90deg);
}

/* 玻璃效果 */
.glass-effect {
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.dark .glass-effect {
    background-color: rgba(15, 23, 42, 0.9);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* 渐变背景 */
.gradient-bg {
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
}

/* 技能卡片样式 */
.skill-card {
    transition: all 0.3s ease;
    transform-style: preserve-3d;
    opacity: 0;
    transform: translateY(20px);
}
.skill-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}
.dark .skill-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.skill-progress {
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}
.dark .skill-progress {
    background: #334155;
}
.skill-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
    border-radius: 4px;
    position: relative;
    animation: progressFill 1.5s ease-out forwards;
    width: 0;
}
@keyframes progressFill {
    from {
        width: 0;
    }
}
.skill-level-badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}
.skill-level-badge.beginner {
    background: #fef3c7;
    color: #92400e;
}
.dark .skill-level-badge.beginner {
    background: #78350f;
    color: #fbbf24;
}
.skill-level-badge.intermediate {
    background: #dbeafe;
    color: #1e40af;
}
.dark .skill-level-badge.intermediate {
    background: #1e3a8a;
    color: #60a5fa;
}
.skill-level-badge.advanced {
    background: #d1fae5;
    color: #065f46;
}
.dark .skill-level-badge.advanced {
    background: #064e3b;
    color: #34d399;
}

/* 动画延迟类 */
.delay-300 {
    animation-delay: 0.3s;
}

/* 技能进度条宽度类 */
.w-90 {
    width: 90%;
}
.w-55 {
    width: 55%;
}
.w-70 {
    width: 70%;
}
.w-50 {
    width: 50%;
}
.w-60 {
    width: 60%;
}
.w-80 {
    width: 80%;
}

/* 备案号图片样式 */
.beian-img {
    width: 14px;
    height: 14px;
    margin-right: 4px;
}

/* 昵称样式 */
.nickname-text {
    font-size: 24px;
    color: black;
}

/* 项目过滤按钮样式 */
.project-filter {
    min-width: 100px;
    text-align: center;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 基本按钮样式 */
.btn-primary {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    transform-style: preserve-3d;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
}
.btn-primary:hover::before {
    left: 100%;
}
.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}
.btn-primary:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.2);
}

/* 按钮焦点效果 */
.btn-primary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}
.skill-level-badge.expert {
    background: #fce7f3;
    color: #be185d;
}
.dark .skill-level-badge.expert {
    background: #701a75;
    color: #f472b6;
}
.skill-category-btn {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.skill-category-btn:hover {
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
    color: white;
    transform: translateY(-2px);
}
.skill-category-btn.active {
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
    color: white;
}

/* 项目筛选按钮样式 */
.filter-btn {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.filter-btn:hover {
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
    color: white;
    transform: translateY(-2px);
}
.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
    color: white;
}

/* 项目详情模态框样式 */
#project-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: opacity 0.3s ease;
    opacity: 0;
}
#project-modal.active {
    display: flex;
    opacity: 1;
}
.modal-content {
    max-height: 80vh;
    overflow-y: auto;
}

/* 动画 */
@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}
@keyframes slideUp {
    0% { transform: translateY(20px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}
@keyframes slideDown {
    0% { transform: translateY(-20px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}
@keyframes slideLeft {
    0% { transform: translateX(20px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}
@keyframes slideRight {
    0% { transform: translateX(-20px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}
@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}
@keyframes fadeInUp {
    0% { transform: translateY(30px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}
.animate-fade-in {
    animation: fadeIn 0.5s ease-in-out;
}
.animate-slide-up {
    animation: slideUp 0.5s ease-in-out;
}
.animate-slide-down {
    animation: slideDown 0.5s ease-in-out;
}
.animate-slide-left {
    animation: slideLeft 0.5s ease-in-out;
}
.animate-slide-right {
    animation: slideRight 0.5s ease-in-out;
}
.animate-bounce-in {
    animation: bounceIn 0.6s ease-out;
}
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 情侣头像区域样式 */
#couple {
    position: relative;
    overflow: hidden;
}

/* 爱心装饰动画 */
.heart {
    position: absolute;
    font-size: 16px;
    color: #ef4444;
    animation: floatHeart 6s ease-in-out infinite;
    opacity: 0.6;
}
.heart::before {
    content: '❤️';
}
.heart-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}
.heart-2 {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
    font-size: 20px;
}
.heart-3 {
    top: 40%;
    left: 25%;
    animation-delay: 4s;
    font-size: 12px;
}
@keyframes floatHeart {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-20px) rotate(10deg);
        opacity: 1;
    }
}

/* 樱花动画效果 */
.sakura {
    position: absolute;
    font-size: 20px;
    color: #f9a8d4;
    animation: fallSakura 8s linear infinite;
    opacity: 0.8;
}
.sakura::before {
    content: '🌸';
}
.sakura-1 {
    top: -10%;
    left: 15%;
    animation-delay: 0s;
    font-size: 16px;
}
.sakura-2 {
    top: -10%;
    left: 40%;
    animation-delay: 2s;
    font-size: 18px;
}
.sakura-3 {
    top: -10%;
    left: 65%;
    animation-delay: 4s;
    font-size: 14px;
}
.sakura-4 {
    top: -10%;
    left: 85%;
    animation-delay: 6s;
    font-size: 17px;
}
.sakura-5 {
    top: -10%;
    left: 25%;
    animation-delay: 1s;
    font-size: 15px;
}
.sakura-6 {
    top: -10%;
    left: 55%;
    animation-delay: 3s;
    font-size: 19px;
}
.sakura-7 {
    top: -10%;
    left: 75%;
    animation-delay: 5s;
    font-size: 13px;
}
.sakura-8 {
    top: -10%;
    left: 35%;
    animation-delay: 7s;
    font-size: 16px;
}
@keyframes fallSakura {
    0% {
        transform: translateY(-10vh) rotate(0deg) scale(0.8);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    90% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(110vh) rotate(360deg) scale(0.6);
        opacity: 0;
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    #couple .relative {
        width: 288px;
        height: 192px;
    }
    #couple .absolute.left-0,
    #couple .absolute.right-0 {
        width: 128px;
        height: 128px;
    }
    #couple .absolute.left-1\/2 {
        width: 64px;
        height: 64px;
    }
    #couple .fas.fa-heart {
        font-size: 24px;
    }
}
@media (max-width: 480px) {
    #couple .relative {
        width: 240px;
        height: 160px;
    }
    #couple .absolute.left-0,
    #couple .absolute.right-0 {
        width: 100px;
        height: 100px;
    }  
    #couple .fas.fa-heart {
        font-size: 20px;
    }
}