/* ============================================================
   🍄 FishRain 像素风主题 - Pixel Art Theme
   可爱像素风，蘑菇光标，像素精灵漫天飞~
   ============================================================ */

/* ===== 像素蘑菇光标 ===== */
*,
*::before,
*::after {
    cursor: url('../images/pixel-mushroom.svg') 0 0, auto !important;
}

a,
button,
[role='button'],
.tag,
.article-preview,
.contact-icon,
.carousel-nav,
.indicator,
.nav-link,
.knob-v3,
input[type='submit'],
input[type='button'],
select,
label {
    cursor: url('../images/pixel-mushroom.svg') 4 2, pointer !important;
}

/* ===== 全局像素字体感 + 背景 ===== */
body {
    font-family: 'Courier New', 'Lucida Console', 'Noto Sans CJK SC', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', monospace, sans-serif !important;
    letter-spacing: 0.03em;
    background-color: #f0e8ff;
    background-image:
        linear-gradient(rgba(150, 100, 200, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(150, 100, 200, 0.06) 1px, transparent 1px);
    background-size: 16px 16px, 16px 16px;
    padding-top: 80px;
}

/* 暗黑模式背景 */
[data-theme='dark'] body {
    background-color: #1a1230;
    background-image:
        linear-gradient(rgba(180, 130, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(180, 130, 255, 0.06) 1px, transparent 1px);
    background-size: 16px 16px, 16px 16px;
}

/* ===== 导航栏下移 4px 给彩虹条留空间 ===== */
.navbar {
    top: 4px !important;
}

/* ===== 轮播图和内容容器在精灵层之上 ===== */
.carousel-container {
    position: relative;
    z-index: 2;
}

.container {
    position: relative;
    z-index: 2;
}

.footer {
    position: relative;
    z-index: 2;
}

/* ===== 像素风卡片边框 ===== */
.card {
    border-radius: 0 !important;
    border: 3px solid #2c2c2c !important;
    box-shadow:
        4px 4px 0 0 #2c2c2c,
        -2px 0 0 0 #2c2c2c,
        0 -2px 0 0 #2c2c2c !important;
    transition: transform 0.1s steps(1), box-shadow 0.1s steps(1) !important;
    position: relative;
    z-index: 2;
    background-color: #fffdf0 !important;
}

[data-theme='dark'] .card {
    border-color: #b8a4ff !important;
    box-shadow:
        4px 4px 0 0 #b8a4ff,
        -2px 0 0 0 #b8a4ff,
        0 -2px 0 0 #b8a4ff !important;
    background-color: #231a3a !important;
}

.card:hover {
    transform: translate(-3px, -3px) !important;
    box-shadow:
        7px 7px 0 0 #2c2c2c,
        -2px 0 0 0 #2c2c2c,
        0 -2px 0 0 #2c2c2c !important;
}

[data-theme='dark'] .card:hover {
    box-shadow:
        7px 7px 0 0 #b8a4ff,
        -2px 0 0 0 #b8a4ff,
        0 -2px 0 0 #b8a4ff !important;
}

.card::before {
    display: none !important;
}

/* ===== 像素风导航栏 ===== */
.navbar {
    border-bottom: 3px solid #2c2c2c !important;
    border-radius: 0 !important;
    background-color: rgba(255, 248, 220, 0.96) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

[data-theme='dark'] .navbar {
    background-color: rgba(30, 20, 50, 0.96) !important;
    border-bottom-color: #b8a4ff !important;
}

.nav-logo a {
    font-family: 'Courier New', 'Noto Sans CJK SC', 'Microsoft YaHei', monospace !important;
    font-weight: 900 !important;
    letter-spacing: 0.1em !important;
    image-rendering: pixelated;
}

.nav-link {
    border-radius: 0 !important;
    font-family: 'Courier New', 'Noto Sans CJK SC', 'Microsoft YaHei', monospace !important;
}

.nav-link::after {
    border-radius: 0 !important;
    height: 3px !important;
}

/* ===== 像素风按钮 ===== */
.btn {
    border-radius: 0 !important;
    border: 2px solid #2c2c2c !important;
    box-shadow: 3px 3px 0 0 #2c2c2c !important;
    transition: transform 0.1s steps(1), box-shadow 0.1s steps(1) !important;
    font-family: 'Courier New', 'Noto Sans CJK SC', 'Microsoft YaHei', monospace !important;
    font-weight: 700 !important;
    letter-spacing: 0.05em !important;
    background: #3d3d8f !important;
    color: #ffffff !important;
}

.btn:hover {
    transform: translate(-2px, -2px) !important;
    box-shadow: 5px 5px 0 0 #2c2c2c !important;
    background: #5050b0 !important;
}

.btn:active {
    transform: translate(1px, 1px) !important;
    box-shadow: 1px 1px 0 0 #2c2c2c !important;
}

/* ===== 技术方向卡片 - 像素风 ===== */
.tech-card {
    border-radius: 0 !important;
    border: 2px solid #2c2c2c !important;
    box-shadow: 2px 2px 0 0 #2c2c2c !important;
    transition: transform 0.1s steps(1), box-shadow 0.1s steps(1) !important;
    background: #fff8f0 !important;
}

[data-theme='dark'] .tech-card {
    border-color: #9980cc !important;
    box-shadow: 2px 2px 0 0 #9980cc !important;
    background: #2a1f3d !important;
}

.tech-card:hover {
    transform: translate(-2px, -2px) !important;
    box-shadow: 4px 4px 0 0 #2c2c2c !important;
    background: #fff0e0 !important;
}

/* ===== 文章预览卡片 ===== */
.article-preview {
    border-radius: 0 !important;
    border: 2px solid #2c2c2c !important;
    box-shadow: 3px 3px 0 0 #2c2c2c !important;
    transition: transform 0.1s steps(1), box-shadow 0.1s steps(1) !important;
    background: #fffef5 !important;
    padding: 1.25rem !important;
}

.article-preview:hover {
    transform: translate(-2px, -2px) !important;
    box-shadow: 5px 5px 0 0 #2c2c2c !important;
}

/* ===== 联系方式区域 ===== */
.contact-section {
    border-radius: 0 !important;
    border: 3px solid #2c2c2c !important;
    box-shadow: 4px 4px 0 0 #2c2c2c !important;
    background: linear-gradient(135deg, #fff8e1 0%, #e8f5e9 50%, #e3f2fd 100%) !important;
}

.contact-icon {
    border-radius: 0 !important;
    border: 2px solid #2c2c2c !important;
    box-shadow: 2px 2px 0 0 #2c2c2c !important;
    transition: transform 0.1s steps(1), box-shadow 0.1s steps(1) !important;
    background: white !important;
    background-image: none !important;
}

.contact-icon:hover {
    transform: translate(-2px, -2px) !important;
    box-shadow: 4px 4px 0 0 #2c2c2c !important;
}

.contact-info {
    border-radius: 0 !important;
    border: 2px solid #2c2c2c !important;
    font-family: 'Courier New', 'Noto Sans CJK SC', 'Microsoft YaHei', monospace !important;
    font-size: 0.75rem !important;
}

/* ===== 轮播图 - 像素风背景 ===== */
.carousel-bg-1 {
    background:
        linear-gradient(rgba(0, 0, 0, 0.25), rgba(0, 0, 0, 0.25)),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 15px,
            rgba(255, 200, 100, 0.08) 15px,
            rgba(255, 200, 100, 0.08) 16px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 15px,
            rgba(255, 200, 100, 0.08) 15px,
            rgba(255, 200, 100, 0.08) 16px
        ),
        linear-gradient(135deg, #6c3483 0%, #1a5276 40%, #0e6655 70%, #1a5276 100%) !important;
    image-rendering: pixelated;
}

.carousel-bg-2 {
    background:
        linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2)),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 15px,
            rgba(100, 200, 255, 0.08) 15px,
            rgba(100, 200, 255, 0.08) 16px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 15px,
            rgba(100, 200, 255, 0.08) 15px,
            rgba(100, 200, 255, 0.08) 16px
        ),
        linear-gradient(135deg, #154360 0%, #1a5276 40%, #2874a6 100%) !important;
    image-rendering: pixelated;
}

.carousel-bg-3 {
    background:
        linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2)),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 15px,
            rgba(100, 255, 150, 0.08) 15px,
            rgba(100, 255, 150, 0.08) 16px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 15px,
            rgba(100, 255, 150, 0.08) 15px,
            rgba(100, 255, 150, 0.08) 16px
        ),
        linear-gradient(135deg, #0b5345 0%, #117a65 40%, #1abc9c 100%) !important;
    image-rendering: pixelated;
}

.carousel-caption h2 {
    font-family: 'Courier New', 'Noto Sans CJK SC', 'Microsoft YaHei', monospace !important;
    text-shadow:
        3px 3px 0 rgba(0, 0, 0, 0.7),
        -1px -1px 0 rgba(0, 0, 0, 0.5) !important;
    letter-spacing: 0.05em !important;
}

.carousel-nav {
    border-radius: 0 !important;
    border: 2px solid rgba(255, 255, 255, 0.6) !important;
    font-family: monospace !important;
}

/* ===== 轮播图指示器 - 像素方块 ===== */
.indicator {
    border-radius: 0 !important;
    width: 10px !important;
    height: 10px !important;
    border: 2px solid rgba(255, 255, 255, 0.6) !important;
}

.indicator.active {
    transform: scale(1.3) !important;
}

/* ===== 标签样式 ===== */
.tag {
    border-radius: 0 !important;
    border: 2px solid #2c2c2c !important;
    box-shadow: 1px 1px 0 0 #2c2c2c !important;
    font-family: 'Courier New', 'Noto Sans CJK SC', 'Microsoft YaHei', monospace !important;
    font-size: 0.75rem !important;
}

.tag:hover {
    transform: translate(-1px, -1px) !important;
    box-shadow: 2px 2px 0 0 #2c2c2c !important;
}

/* ===== 像素风页脚 ===== */
.footer {
    border-top: 3px solid #2c2c2c !important;
}

/* ===== 像素艺术浮动装饰层 ===== */
.pixel-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

/* ===== 浮动蘑菇 ===== */
.pixel-sprite {
    position: absolute;
    image-rendering: pixelated;
    opacity: 0.55;
    will-change: transform;
}

/* 蘑菇1：从左侧缓慢飘过 */
.pixel-mushroom-1 {
    width: 48px;
    height: 48px;
    background: url('../images/pixel-mushroom.svg') no-repeat center/contain;
    bottom: 15%;
    left: -60px;
    animation: float-right 30s linear infinite;
    animation-delay: 0s;
    opacity: 0.4;
}

/* 蘑菇2：从右侧缓慢飘过 */
.pixel-mushroom-2 {
    width: 36px;
    height: 36px;
    background: url('../images/pixel-mushroom.svg') no-repeat center/contain;
    top: 20%;
    right: -50px;
    animation: float-left 25s linear infinite;
    animation-delay: 8s;
    opacity: 0.35;
}

/* 鱼1：从左游向右 */
.pixel-fish-1 {
    width: 64px;
    height: 32px;
    background: url('../images/pixel-fish.svg') no-repeat center/contain;
    top: 35%;
    left: -80px;
    animation: float-right 20s linear infinite;
    animation-delay: 3s;
    opacity: 0.45;
}

/* 鱼2：从右游向左（翻转） */
.pixel-fish-2 {
    width: 48px;
    height: 24px;
    background: url('../images/pixel-fish.svg') no-repeat center/contain;
    top: 60%;
    right: -70px;
    animation: float-left 18s linear infinite;
    animation-delay: 12s;
    transform: scaleX(-1);
    opacity: 0.4;
}

/* 鱼3：从左游向右 */
.pixel-fish-3 {
    width: 40px;
    height: 20px;
    background: url('../images/pixel-fish.svg') no-repeat center/contain;
    top: 75%;
    left: -60px;
    animation: float-right 22s linear infinite;
    animation-delay: 6s;
    opacity: 0.35;
}

/* 星星：在角落闪烁 */
.pixel-star-1 {
    width: 20px;
    height: 20px;
    background: url('../images/pixel-star.svg') no-repeat center/contain;
    top: 10%;
    left: 5%;
    animation: twinkle 3s ease-in-out infinite;
    animation-delay: 0s;
}

.pixel-star-2 {
    width: 16px;
    height: 16px;
    background: url('../images/pixel-star.svg') no-repeat center/contain;
    top: 30%;
    right: 8%;
    animation: twinkle 2.5s ease-in-out infinite;
    animation-delay: 1s;
}

.pixel-star-3 {
    width: 24px;
    height: 24px;
    background: url('../images/pixel-star.svg') no-repeat center/contain;
    bottom: 25%;
    left: 3%;
    animation: twinkle 3.5s ease-in-out infinite;
    animation-delay: 2s;
}

.pixel-star-4 {
    width: 18px;
    height: 18px;
    background: url('../images/pixel-star.svg') no-repeat center/contain;
    bottom: 40%;
    right: 5%;
    animation: twinkle 2.8s ease-in-out infinite;
    animation-delay: 0.5s;
}

.pixel-star-5 {
    width: 14px;
    height: 14px;
    background: url('../images/pixel-star.svg') no-repeat center/contain;
    top: 55%;
    left: 2%;
    animation: twinkle 4s ease-in-out infinite;
    animation-delay: 1.5s;
}

/* 云朵：缓慢漂移 */
.pixel-cloud-1 {
    width: 96px;
    height: 48px;
    background: url('../images/pixel-cloud.svg') no-repeat center/contain;
    top: 8%;
    left: -120px;
    animation: float-right-slow 60s linear infinite;
    animation-delay: 0s;
    opacity: 0.5;
}

.pixel-cloud-2 {
    width: 72px;
    height: 36px;
    background: url('../images/pixel-cloud.svg') no-repeat center/contain;
    top: 18%;
    left: -100px;
    animation: float-right-slow 75s linear infinite;
    animation-delay: 25s;
    opacity: 0.4;
}

/* ===== 像素动画关键帧 ===== */

/* 从左飞向右 */
@keyframes float-right {
    0% {
        transform: translateX(0) translateY(0);
    }
    25% {
        transform: translateX(calc(25vw + 60px)) translateY(-15px);
    }
    50% {
        transform: translateX(calc(50vw + 60px)) translateY(10px);
    }
    75% {
        transform: translateX(calc(75vw + 60px)) translateY(-8px);
    }
    100% {
        transform: translateX(calc(100vw + 120px)) translateY(0);
    }
}

/* 从右飞向左 */
@keyframes float-left {
    0% {
        transform: scaleX(-1) translateX(0) translateY(0);
    }
    33% {
        transform: scaleX(-1) translateX(calc(33vw + 60px)) translateY(-12px);
    }
    66% {
        transform: scaleX(-1) translateX(calc(66vw + 60px)) translateY(8px);
    }
    100% {
        transform: scaleX(-1) translateX(calc(100vw + 100px)) translateY(0);
    }
}

/* 从左慢慢漂到右（云朵） */
@keyframes float-right-slow {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(100vw + 200px));
    }
}

/* 星星闪烁 */
@keyframes twinkle {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.3);
    }
}

/* 像素上下浮动 */
@keyframes pixel-float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* ===== 像素风标题装饰 ===== */
h1,
h2 {
    font-family: 'Courier New', 'Lucida Console', 'Noto Sans CJK SC', 'Microsoft YaHei', monospace !important;
    letter-spacing: 0.05em;
}

/* ===== 像素风搜索框 ===== */
.search-box {
    border-radius: 0 !important;
    border: 2px solid #2c2c2c !important;
    box-shadow: 2px 2px 0 0 #2c2c2c !important;
    font-family: 'Courier New', 'Noto Sans CJK SC', 'Microsoft YaHei', monospace !important;
}

.search-box:focus {
    box-shadow: 4px 4px 0 0 #2c2c2c !important;
    transform: translate(-1px, -1px);
}

/* ===== 像素风表单元素 ===== */
input,
textarea,
select {
    border-radius: 0 !important;
}

/* ===== 像素风滚动条 ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f0e8ff;
    border-left: 2px solid #2c2c2c;
}

::-webkit-scrollbar-thumb {
    background: #8b5cf6;
    border: 2px solid #2c2c2c;
    border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
    background: #6d28d9;
}

/* ===== 像素风文字选中效果 ===== */
::selection {
    background: #ffd700;
    color: #1a1a1a;
}

/* ===== 像素风图片渲染 ===== */
img {
    image-rendering: pixelated;
}

/* 但头像不要像素化 */
.intro-avatar {
    image-rendering: auto !important;
    border-radius: 0 !important;
    border: 4px solid #2c2c2c !important;
    box-shadow: 4px 4px 0 0 #2c2c2c !important;
}

/* ===== 额外像素装饰：页面标题区域的像素边框 ===== */
.pixel-banner {
    font-family: 'Courier New', 'Noto Sans CJK SC', 'Microsoft YaHei', monospace;
    background: #3d3d8f;
    color: #ffffff;
    text-align: center;
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    border-bottom: 3px solid #2c2c2c;
    box-shadow: 0 3px 0 0 #2c2c2c;
    position: relative;
    z-index: 999;
}

/* ===== 像素风技能条 ===== */
.skill-category {
    border-radius: 0 !important;
    border: 2px solid #2c2c2c !important;
    box-shadow: 3px 3px 0 0 #2c2c2c !important;
}

.skill-item {
    border-radius: 0 !important;
    border: 2px solid #2c2c2c !important;
    box-shadow: 2px 2px 0 0 #2c2c2c !important;
    transition: transform 0.1s steps(1), box-shadow 0.1s steps(1) !important;
}

.skill-item:hover {
    transform: translate(-2px, -2px) !important;
    box-shadow: 4px 4px 0 0 #2c2c2c !important;
}

/* ===== 像素风文章卡片 ===== */
.article-card {
    border-radius: 0 !important;
    border: 2px solid #2c2c2c !important;
    box-shadow: 3px 3px 0 0 #2c2c2c !important;
    transition: transform 0.1s steps(1), box-shadow 0.1s steps(1) !important;
}

.article-card:hover {
    transform: translate(-3px, -3px) !important;
    box-shadow: 6px 6px 0 0 #2c2c2c !important;
}

/* ===== 像素风留言板 ===== */
.guestbook-entry {
    border-radius: 0 !important;
    border: 2px solid #2c2c2c !important;
    box-shadow: 2px 2px 0 0 #2c2c2c !important;
}

/* ===== 加载/渐入动画 - 像素步进 ===== */
.fade-in {
    animation: pixel-fade-in 0.4s steps(8) both !important;
}

@keyframes pixel-fade-in {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 页面顶部装饰条（彩虹像素） ===== */
body::before {
    content: '';
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(
        90deg,
        #e74c3c 0%, #e74c3c 14.28%,
        #e67e22 14.28%, #e67e22 28.57%,
        #f1c40f 28.57%, #f1c40f 42.86%,
        #2ecc71 42.86%, #2ecc71 57.14%,
        #3498db 57.14%, #3498db 71.43%,
        #9b59b6 71.43%, #9b59b6 85.71%,
        #e91e63 85.71%, #e91e63 100%
    );
    z-index: 9999;
    image-rendering: pixelated;
}

/* ===== 暗黑模式下的像素调整 ===== */
[data-theme='dark'] .pixel-layer {
    opacity: 0.7;
}

[data-theme='dark'] ::-webkit-scrollbar-track {
    background: #1a1230;
    border-left-color: #b8a4ff;
}

[data-theme='dark'] ::-webkit-scrollbar-thumb {
    background: #7c3aed;
    border-color: #b8a4ff;
}

/* ===== 马里奥金币点击特效 ===== */
.pixel-coin-fx {
    position: fixed;
    pointer-events: none;
    z-index: 99999;
    font-size: 1.5rem;
    user-select: none;
    transform: translate(-50%, -50%);
    animation: coin-float-up 0.85s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    filter: drop-shadow(0 0 6px rgba(255, 215, 0, 0.95)) drop-shadow(0 2px 8px rgba(255, 160, 0, 0.6));
}

@keyframes coin-float-up {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.6);
    }
    20% {
        opacity: 1;
        transform: translate(-50%, calc(-50% - 30px)) scale(1.2);
    }
    60% {
        opacity: 0.85;
        transform: translate(-50%, calc(-50% - 80px)) scale(1.0);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, calc(-50% - 130px)) scale(0.7);
    }
}

/* ===== 响应式：小屏幕减少装饰 ===== */
@media (max-width: 768px) {
    .pixel-cloud-1,
    .pixel-cloud-2 {
        display: none;
    }

    .pixel-star-3,
    .pixel-star-4,
    .pixel-star-5 {
        display: none;
    }

    .pixel-fish-2,
    .pixel-fish-3 {
        display: none;
    }

    .pixel-mushroom-2 {
        display: none;
    }
}