:root {
    --bg-color: #1a1a1a;
    --primary-glow-color: rgba(0, 255, 135, 0.75);
    --secondary-glow-color: rgba(74, 144, 226, 0.8);
    --text-color: #e0e0e0;
    --light-text-color: #888;
    --font-display: 'Roboto Mono', monospace;
    --font-body: 'ZCOOL KuaiLe', sans-serif;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes glow {
    0%, 100% { text-shadow: 0 0 5px var(--primary-glow-color), 0 0 10px var(--primary-glow-color); }
    50% { text-shadow: 0 0 10px var(--primary-glow-color), 0 0 20px var(--primary-glow-color); }
}

@keyframes background-pan {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

body {
    background: linear-gradient(90deg, #1a1a1a, #383838, #1a1a1a);
    background-size: 200% 100%;
    animation: background-pan 10s ease-in-out infinite;
    color: var(--text-color);
    font-family: var(--font-body);
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
    padding: 20px;
    box-sizing: border-box;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 900px;
    animation: fadeIn 1s ease-out;
}

.main-header h1 {
    font-size: 2.5em;
    font-weight: normal;
    color: var(--text-color);
    letter-spacing: 5px;
    margin-bottom: 40px;
    text-shadow: 0 0 3px var(--secondary-glow-color);
}

.main-grid {
    display: grid;
    grid-template-areas:
        "countdown"
        "joke"
        "games"
        "fortune";
    gap: 40px;
}

/* --- 倒计时 --- */
.countdown-container {
    grid-area: countdown;
    padding: 20px;
    position: relative;
}

.countdown-label {
    font-size: 1.5em;
    color: var(--light-text-color);
    margin: 0 0 10px;
}

#countdown-timer-wrapper {
    display: flex;
    justify-content: center;
    align-items: baseline;
    line-height: 1;
}

#countdown-timer {
    font-family: var(--font-display);
    font-size: clamp(6rem, 25vw, 12rem);
    font-weight: 700;
    color: var(--primary-glow-color);
    animation: glow 3s ease-in-out infinite;
}

.days-text {
    font-size: 1.5em;
    color: var(--primary-glow-color);
    margin-left: 15px;
    animation: glow 3s ease-in-out infinite;
}

#settings-toggle {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 1.5em;
    cursor: pointer;
    color: var(--light-text-color);
    transition: transform 0.3s ease, color 0.3s ease;
}

#settings-toggle:hover {
    color: var(--text-color);
    transform: rotate(90deg);
}

#settings-panel {
    position: absolute;
    top: 50px;
    right: 10px;
    background: rgba(44, 44, 44, 0.9);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--light-text-color);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    z-index: 100;
}

#settings-panel.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.countdown-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
}

input[type="date"], button {
    background: transparent;
    border: 1px solid var(--light-text-color);
    color: var(--text-color);
    border-radius: 4px;
    padding: 8px 12px;
    font-family: var(--font-body);
    font-size: 1em;
    transition: all 0.3s ease;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

button {
    cursor: pointer;
    border-color: var(--primary-glow-color);
    color: var(--primary-glow-color);
}

button:hover {
    background: var(--primary-glow-color);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--primary-glow-color);
}

/* --- 段子 --- */
.joke-container {
    grid-area: joke;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

#joke-text {
    font-size: 1.4em;
    line-height: 1.6;
    max-width: 600px;
    margin: 0;
    color: var(--text-color);
}

/* --- 游戏 --- */
.games-container {
    grid-area: games;
    padding-top: 20px;
    border-top: 1px solid var(--light-text-color);
}

.games-container h3 {
    font-size: 1.2em;
    color: var(--light-text-color);
    margin: 0 0 15px;
    font-weight: normal;
}

.game-list {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.game-list a {
    color: var(--secondary-glow-color);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.game-list a:hover {
    color: var(--text-color);
    text-shadow: 0 0 5px var(--secondary-glow-color);
}

/* --- 磁场转换 --- */
.fortune-container {
    grid-area: fortune;
    padding-top: 20px;
    border-top: 1px solid var(--light-text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.fortune-container h3 {
    font-size: 1.2em;
    color: var(--light-text-color);
    margin: 0;
    font-weight: normal;
}

#fortune-display {
    min-height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

#fortune-text {
    font-size: 1.4em;
    color: var(--primary-glow-color);
    text-shadow: 0 0 5px var(--primary-glow-color);
    margin: 0;
    transition: all 0.5s ease;
}

#fortune-btn {
    border-color: var(--secondary-glow-color);
    color: var(--secondary-glow-color);
}

#fortune-btn:hover {
    background: var(--secondary-glow-color);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--secondary-glow-color);
}

/* 磁场转换动画 */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.spinning {
    display: inline-block;
    animation: spin 1s linear infinite;
    font-size: 1.5em; /* 调整图标大小 */
}


/* --- 内嵌游戏 --- */
#game-display-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.iframe-wrapper {
    width: 90%;
    height: 85%;
    max-width: 1000px;
    position: relative;
}

#close-game-btn {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--light-text-color);
    font-size: 1.2em;
    cursor: pointer;
}
#close-game-btn:hover {
    color: var(--text-color);
}

#game-iframe {
    width: 100%;
    height: 100%;
    border: 1px solid var(--light-text-color);
    border-radius: 8px;
}

/* --- 页脚 --- */
.main-footer {
    margin-top: 50px;
    color: var(--light-text-color);
    font-size: 0.9em;
}

.footer-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
}

#poster-btn {
    border-color: var(--secondary-glow-color);
    color: var(--secondary-glow-color);
}

#poster-btn:hover {
    background: var(--secondary-glow-color);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--secondary-glow-color);
}

#motto-text {
    margin-bottom: 10px;
    font-style: italic;
    height: 1.2em; /* Prevent layout shift */
    color: var(--secondary-glow-color);
    text-shadow: 0 0 3px var(--secondary-glow-color);
    transition: all 0.5s ease;
}

kbd {
    background-color: #333;
    border-radius: 3px;
    border: 1px solid #555;
    padding: 2px 6px;
}

/* --- 伪装编程界面样式 --- */
.ide-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100vh;
    background-color: #1e1e1e;
    color: #d4d4d4;
    font-family: 'Consolas', 'Courier New', monospace;
    overflow: hidden;
}

/* 顶部菜单栏 */
.ide-menubar {
    display: flex;
    align-items: center;
    height: 30px;
    background-color: #333333;
    padding: 0 10px;
    font-size: 12px;
}

.ide-logo {
    margin-right: 20px;
    font-weight: bold;
}

.ide-menu-items {
    display: flex;
}

.ide-menu-items span {
    margin-right: 15px;
    cursor: pointer;
}

/* 主体内容区 */
.ide-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* 左侧边栏 */
.ide-sidebar {
    display: flex;
    width: 250px;
    background-color: #252526;
    border-right: 1px solid #1e1e1e;
}

.sidebar-icons {
    display: flex;
    flex-direction: column;
    width: 48px;
    background-color: #333333;
    padding-top: 10px;
}

.sidebar-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 48px;
    cursor: pointer;
    color: #858585;
}

.sidebar-icon.active {
    color: #ffffff;
    border-left: 2px solid #007acc;
}

.sidebar-icon i {
    font-size: 24px;
}

/* 文件图标 */
.icon-files::before { content: "📁"; }
.icon-search::before { content: "🔍"; }
.icon-git::before { content: "⑂"; }
.icon-debug::before { content: "⚙"; }
.icon-extensions::before { content: "⚡"; }

/* 文件浏览器 */
.file-explorer {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.explorer-header {
    padding: 10px;
    font-size: 11px;
    text-transform: uppercase;
    color: #bbbbbb;
}

.project-name {
    padding: 5px 10px;
    font-weight: bold;
    display: flex;
    align-items: center;
}

.folder-icon::before {
    content: "📁";
    margin-right: 5px;
}

.file-tree {
    padding: 5px 0;
}

.folder {
    margin-bottom: 5px;
}

.folder-header {
    padding: 2px 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.folder-content {
    padding-left: 20px;
}

.file-item {
    padding: 2px 10px 2px 15px;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-item:hover {
    background-color: #2a2d2e;
}

.file-item.active {
    background-color: #37373d;
}

/* 编辑器区域 */
.ide-editor {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #1e1e1e;
    overflow: hidden;
}

.editor-tabs {
    display: flex;
    height: 35px;
    background-color: #252526;
    border-bottom: 1px solid #1e1e1e;
}

.tab {
    display: flex;
    align-items: center;
    padding: 0 10px;
    background-color: #2d2d2d;
    border-right: 1px solid #1e1e1e;
    font-size: 13px;
    cursor: pointer;
}

.tab.active {
    background-color: #1e1e1e;
    border-top: 1px solid #007acc;
}

.close-tab {
    margin-left: 8px;
    font-size: 16px;
}

.code-container {
    flex: 1;
    display: flex;
    overflow: auto;
    position: relative;
}

.line-numbers {
    padding: 10px 10px 10px 20px;
    background-color: #1e1e1e;
    color: #858585;
    text-align: right;
    user-select: none;
    font-size: 13px;
    line-height: 1.5;
}

.line-numbers div {
    height: 20px;
}

.code-editor {
    flex: 1;
    padding: 10px;
    font-size: 13px;
    line-height: 1.5;
    white-space: pre;
    tab-size: 4;
    overflow-x: auto;
}

/* 语法高亮 */
.code-editor .keyword {
    color: #569cd6;
}

.code-editor .string {
    color: #ce9178;
}

.code-editor .comment {
    color: #6a9955;
    font-style: italic;
}

.code-editor .type {
    color: #4ec9b0;
}

/* 光标 */
.cursor {
    display: none;
    color: #d4d4d4;
    font-weight: normal;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    from, to { opacity: 1; }
    50% { opacity: 0; }
}

/* 底部状态栏 */
.ide-statusbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 22px;
    background-color: #007acc;
    color: #ffffff;
    font-size: 12px;
    padding: 0 10px;
}

.status-left, .status-right {
    display: flex;
    align-items: center;
}

.status-left span, .status-right span {
    margin: 0 8px;
}

.git-branch {
    display: flex;
    align-items: center;
}

.git-branch::before {
    content: "⑂";
    margin-right: 5px;
}

/* 代码行样式 */
.code-editor .line {
    height: 20px;
    white-space: pre;
}

/* --- 海报生成专用样式 --- */
/* 这个类在生成海报时临时添加到 main-content 上，以确保所有文字都清晰可见 */
.poster-mode .countdown-label,
.poster-mode .games-container h3,
.poster-mode .main-footer,
.poster-mode .main-footer p,
.poster-mode .main-footer kbd {
    color: #e0e0e0 !important; /* 使用最亮的文本颜色 */
    text-shadow: none !important; /* 去掉可能导致模糊的阴影 */
}

.poster-mode #joke-section button {
    color: var(--primary-glow-color) !important;
    opacity: 1 !important;
    background: transparent !important;
    box-shadow: none !important;
}

.poster-mode .game-list a {
    color: var(--secondary-glow-color) !important;
    text-shadow: none !important;
}

.poster-mode #motto-text {
    color: var(--secondary-glow-color) !important;
    text-shadow: none !important;
}