/* ===== 全局变量 ===== */
:root {
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.88);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --glass-bg: rgba(0, 0, 0, 0.20);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.06);
    --accent: #6c9cff;
    --accent-glow: rgba(108, 156, 255, 0.35);
    --shadow: 0 12px 48px rgba(0, 0, 0, 0.30);
    --radius: 20px;
    --radius-sm: 12px;
    --transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    --font-xl: clamp(2.8rem, 8vw, 6rem);
    --font-lg: clamp(1.1rem, 3vw, 1.5rem);
    --font-md: clamp(0.85rem, 2vw, 1rem);
    --font-sm: clamp(0.65rem, 1.4vw, 0.82rem);
    --overlay-opacity: 0.28;
    --overlay-color: #000000;
    --blur-amount: 0px;
    --brightness: 1;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'SF Pro Display', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    color: var(--text-primary);
    background: #0a0a12;
    touch-action: pan-x pan-y;
}

/* ===== 壁纸 & 遮罩 ===== */
.wallpaper-layer {
    position: fixed;
    inset: 0;
    z-index: -3;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: opacity 0.6s ease;
    filter: blur(var(--blur-amount)) brightness(var(--brightness));
}
.overlay-layer {
    position: fixed;
    inset: 0;
    z-index: -2;
    background: var(--overlay-color);
    opacity: var(--overlay-opacity);
    transition: opacity 0.4s, background 0.4s;
    pointer-events: none;
}
#particleCanvas {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    width: 100%;
    height: 100%;
}

/* ===== 主容器 ===== */
.main-container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(10px, 2.5vh, 22px);
    width: 92vw;
    max-width: 780px;
    animation: fadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ===== 时钟 ===== */
.clock-wrapper {
    text-align: center;
    cursor: default;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.clock-time {
    font-size: var(--font-xl);
    font-weight: 280;
    letter-spacing: 0.04em;
    line-height: 1;
    text-shadow: 0 4px 40px rgba(0, 0, 0, 0.40);
    font-variant-numeric: tabular-nums;
    display: flex;
    align-items: baseline;
    gap: 0.04em;
}
.clock-seconds {
    font-size: 0.32em;
    font-weight: 200;
    opacity: 0.6;
    vertical-align: super;
}
.clock-date {
    font-size: var(--font-lg);
    font-weight: 380;
    opacity: 0.8;
    margin-top: 4px;
    letter-spacing: 0.04em;
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.30);
}
.pomodoro-indicator {
    display: inline-block;
    font-size: var(--font-sm);
    font-weight: 500;
    background: var(--glass-bg);
    backdrop-filter: blur(18px);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 4px 18px;
    margin-top: 8px;
    letter-spacing: 0.04em;
    transition: all var(--transition);
    cursor: pointer;
}
.pomodoro-indicator:hover { background: rgba(255,255,255,0.12); transform: scale(1.03); }
.pomodoro-indicator.running { animation: pulseGlow 2s ease-in-out infinite; }
.pomodoro-indicator.paused { opacity: 0.5; animation: none; }
@keyframes pulseGlow {
    0%,100% { box-shadow: 0 0 0 0 var(--accent-glow); }
    50% { box-shadow: 0 0 28px 8px rgba(108,156,255,0.10); }
}

/* ===== 搜索栏 ===== */
.search-wrapper {
    width: 100%;
    max-width: 620px;
    position: relative;
    z-index: 20;
}
.search-box {
    display: flex;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border: 1.5px solid var(--glass-border);
    border-radius: 60px;
    padding: 4px 6px 4px 22px;
    transition: all var(--transition);
    box-shadow: var(--shadow);
    gap: 8px;
}
.search-box:focus-within {
    border-color: rgba(255,255,255,0.35);
    box-shadow: 0 16px 56px rgba(0,0,0,0.35), 0 0 0 4px var(--accent-glow);
    background: rgba(0,0,0,0.32);
    transform: translateY(-2px);
}
.search-icon {
    flex-shrink: 0;
    width: 18px; height: 18px;
    opacity: 0.5;
    transition: opacity 0.3s;
}
.search-box:focus-within .search-icon { opacity: 1; }
.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-size: var(--font-md);
    padding: 10px 0;
    min-width: 0;
    letter-spacing: 0.02em;
    caret-color: var(--accent);
}
.search-input::placeholder { color: rgba(255,255,255,0.35); }
.search-engine-select {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 30px;
    color: #fff;
    padding: 5px 10px 5px 14px;
    font-size: var(--font-sm);
    cursor: pointer;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    white-space: nowrap;
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
}
.search-engine-select:hover { background: rgba(255,255,255,0.12); }
.search-engine-select option { color: #222; background: #fff; }

/* ===== 软键盘触发按钮 ===== */
.keyboard-toggle {
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    color: #fff;
    padding: 4px 10px;
    font-size: 0.7rem;
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
    opacity: 0.5;
    white-space: nowrap;
    letter-spacing: 0.04em;
}
.keyboard-toggle:hover { opacity: 1; background: rgba(255,255,255,0.12); }
.keyboard-toggle.active { opacity: 1; background: rgba(108,156,255,0.20); border-color: var(--accent); }

/* ===== 软键盘面板 ===== */
.keyboard-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 30;
    background: rgba(16, 16, 28, 0.94);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 8px 6px 12px 6px;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    touch-action: none;
    box-shadow: 0 -12px 48px rgba(0,0,0,0.40);
    will-change: transform;
}
.keyboard-panel.active {
    transform: translateY(0);
}
.keyboard-row {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 4px;
}
.keyboard-row:last-child { margin-bottom: 0; }
.key {
    flex: 1;
    max-width: 52px;
    height: 40px;
    border-radius: 8px;
    border: none;
    background: rgba(255,255,255,0.06);
    color: #fff;
    font-size: 1rem;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.12s;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    font-family: inherit;
    letter-spacing: 0.02em;
}
.key:active {
    background: rgba(255,255,255,0.18);
    transform: scale(0.92);
}
.key.special {
    background: rgba(255,255,255,0.04);
    font-size: 0.75rem;
    color: var(--text-tertiary);
    max-width: 64px;
}
.key.special:active { background: rgba(255,255,255,0.10); }
.key.space {
    max-width: 180px;
    flex: 2;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
    font-size: 0.7rem;
}
.key.shift {
    max-width: 56px;
    font-size: 0.9rem;
}
.key.shift.active-shift {
    background: rgba(108,156,255,0.25);
    border: 1px solid var(--accent);
    color: #fff;
}
.key.backspace { font-size: 0.9rem; max-width: 64px; }
.key.return { background: var(--accent); color: #fff; font-weight: 500; max-width: 64px; }
.key.return:active { background: #7db0ff; transform: scale(0.92); }
.key.hide-keyboard {
    max-width: 48px;
    font-size: 0.8rem;
    background: rgba(255,255,255,0.04);
    color: var(--text-tertiary);
}
.key.hide-keyboard:active { background: rgba(255,255,255,0.10); }

/* ===== 书签 ===== */
.bookmarks-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    max-width: 680px;
    padding: 2px 0;
    position: relative;
    z-index: 5;
}
.bookmark-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    min-width: 56px;
    text-decoration: none;
    color: var(--text-primary);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid transparent;
}
.bookmark-item:hover {
    background: var(--glass-hover);
    border-color: var(--glass-border);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 14px 36px rgba(0,0,0,0.28);
}
.bookmark-item:active { transform: scale(0.92); }
.bookmark-icon {
    width: 38px; height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    background: rgba(255,255,255,0.10);
    flex-shrink: 0;
    transition: all var(--transition);
    font-weight: 600;
}
.bookmark-item:hover .bookmark-icon { background: rgba(255,255,255,0.25); }
.bookmark-name {
    font-size: var(--font-sm);
    font-weight: 400;
    text-align: center;
    word-break: break-word;
    max-width: 68px;
    line-height: 1.2;
    opacity: 0.85;
}
.bookmark-add {
    opacity: 0.5;
    border: 2px dashed rgba(255,255,255,0.15);
    background: transparent;
    cursor: pointer;
    min-width: 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    color: var(--text-primary);
    font-size: var(--font-sm);
}
.bookmark-add:hover {
    opacity: 1;
    border-color: rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.04);
    transform: translateY(-3px);
}
.bookmark-add .bookmark-icon { font-size: 1.6rem; background: transparent; font-weight: 300; }

/* ===== 浮动按钮 ===== */
.floating-buttons {
    position: fixed;
    bottom: 26px;
    right: 26px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10;
}
.float-btn {
    width: 46px; height: 46px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(22px);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #fff;
    transition: all var(--transition);
    box-shadow: var(--shadow);
    position: relative;
}
.float-btn:hover {
    background: rgba(255,255,255,0.14);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 16px 44px rgba(0,0,0,0.35);
}
.float-btn:active { transform: scale(0.88); }
.float-btn .badge {
    position: absolute;
    top: -4px; right: -4px;
    background: #ff5e5e;
    color: #fff;
    font-size: 0.55rem;
    width: 18px; height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(255,60,60,0.4);
}

/* ===== 名言 ===== */
.quote-container {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 5;
    max-width: 380px;
    font-size: var(--font-sm);
    opacity: 0.55;
    line-height: 1.7;
    letter-spacing: 0.03em;
    text-shadow: 0 2px 12px rgba(0,0,0,0.40);
    cursor: pointer;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.quote-container:hover { opacity: 1; background: rgba(255,255,255,0.04); transform: translateY(-2px); }
.quote-text { font-style: italic; font-weight: 320; }
.quote-author { margin-top: 2px; font-weight: 450; opacity: 0.65; font-style: normal; font-size: 0.78em; }

/* ===== 天气 (含定位状态) ===== */
.weather-widget {
    position: fixed;
    top: 22px;
    left: 26px;
    z-index: 5;
    font-size: var(--font-sm);
    background: var(--glass-bg);
    backdrop-filter: blur(18px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 6px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition);
    cursor: pointer;
    box-shadow: 0 6px 24px rgba(0,0,0,0.10);
    max-width: 220px;
}
.weather-widget:hover { background: rgba(255,255,255,0.10); transform: translateY(-2px); }
.weather-icon { font-size: 1.6rem; flex-shrink: 0; }
.weather-info { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.weather-temp { font-weight: 600; font-size: 0.95em; }
.weather-desc {
    opacity: 0.55;
    font-size: 0.7em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.weather-city {
    font-size: 0.6rem;
    opacity: 0.4;
    margin-top: 1px;
}
.weather-locating {
    animation: pulseText 1.2s ease-in-out infinite;
}
@keyframes pulseText {
    0%,100% { opacity: 0.3; }
    50% { opacity: 0.9; }
}
.weather-tip {
    font-size: 0.5rem;
    opacity: 0.2;
    margin-top: 1px;
    cursor: default;
}

/* ===== 侧边栏 ===== */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    background: rgba(0,0,0,0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.sidebar-overlay.active { opacity: 1; pointer-events: auto; }
.sidebar-panel {
    position: fixed;
    top: 0;
    right: -420px;
    width: 400px;
    max-width: 92vw;
    height: 100vh;
    z-index: 55;
    background: rgba(12,12,22,0.96);
    backdrop-filter: blur(40px);
    border-left: 1px solid rgba(255,255,255,0.05);
    transition: right 0.35s cubic-bezier(0.22,1,0.36,1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: -12px 0 56px rgba(0,0,0,0.50);
}
.sidebar-panel.active { right: 0; }
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 22px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    flex-shrink: 0;
}
.sidebar-header h3 { font-weight: 450; letter-spacing: 0.04em; font-size: 1.1rem; }
.sidebar-close {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.04);
    border: none;
    cursor: pointer;
    color: #fff;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.sidebar-close:hover { background: rgba(255,255,255,0.14); transform: rotate(90deg); }
.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 18px 22px 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.sidebar-content::-webkit-scrollbar { width: 3px; }
.sidebar-content::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.10); border-radius: 10px; }

/* ===== 设置样式 ===== */
.setting-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.setting-group label {
    font-weight: 480;
    font-size: 0.68rem;
    opacity: 0.5;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
}
.setting-row span { font-size: 0.82rem; letter-spacing: 0.02em; }
.btn {
    padding: 6px 14px;
    border-radius: 30px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.04);
    color: #fff;
    cursor: pointer;
    font-size: 0.76rem;
    letter-spacing: 0.03em;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.25); }
.btn.accent { background: var(--accent); border-color: var(--accent); font-weight: 500; }
.btn.accent:hover { background: #7db0ff; box-shadow: 0 4px 20px var(--accent-glow); }
.btn.danger { background: rgba(255,70,70,0.18); border-color: rgba(255,70,70,0.25); }
.btn.danger:hover { background: rgba(255,70,70,0.40); }
.btn-sm { padding: 3px 10px; font-size: 0.66rem; border-radius: 18px; }
input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 4px;
    background: rgba(255,255,255,0.12);
    outline: none;
    cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
input[type="color"] {
    -webkit-appearance: none;
    width: 36px; height: 28px;
    border-radius: 8px;
    border: 2px solid rgba(255,255,255,0.12);
    cursor: pointer;
    background: transparent;
    padding: 2px;
}
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch { border-radius: 4px; border: none; }
.preset-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 5px;
}
.preset-dot {
    aspect-ratio: 1;
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all var(--transition);
    background-size: cover;
    background-position: center;
    position: relative;
}
.preset-dot:hover { transform: scale(1.10); border-color: #fff; }
.preset-dot.active { border-color: #fff; box-shadow: 0 0 20px rgba(255,255,255,0.20); }
.preset-dot.active::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.7rem;
    color: #fff;
    text-shadow: 0 0 12px rgba(0,0,0,0.6);
}

/* ===== 待办 ===== */
.todo-priority { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.todo-priority.high { background: #ff5e5e; }
.todo-priority.medium { background: #ffb347; }
.todo-priority.low { background: #5ecf7a; }
.todo-input-row {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}
.todo-input-row input {
    flex: 1;
    min-width: 100px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 30px;
    padding: 7px 14px;
    color: #fff;
    font-size: 0.82rem;
    outline: none;
    transition: all var(--transition);
}
.todo-input-row input:focus { border-color: rgba(255,255,255,0.25); background: rgba(255,255,255,0.08); }
.todo-input-row select {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 30px;
    padding: 7px 10px;
    color: #fff;
    font-size: 0.76rem;
    outline: none;
    cursor: pointer;
}
.todo-input-row select option { color: #222; background: #fff; }
.todo-list {
    display: flex;
    flex-direction: column;
    gap: 3px;
    max-height: 38vh;
    overflow-y: auto;
}
.todo-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 30px;
    background: rgba(255,255,255,0.02);
    transition: all var(--transition);
    font-size: 0.82rem;
}
.todo-item:hover { background: rgba(255,255,255,0.06); }
.todo-item.completed .todo-text { text-decoration: line-through; opacity: 0.30; }
.todo-check {
    width: 18px; height: 18px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.25);
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
}
.todo-item.completed .todo-check { background: var(--accent); border-color: var(--accent); }
.todo-text { flex: 1; cursor: pointer; word-break: break-word; }
.todo-delete {
    opacity: 0;
    cursor: pointer;
    transition: all var(--transition);
    padding: 2px 8px;
    border-radius: 12px;
    background: rgba(255,70,70,0.12);
    border: none;
    color: #fff;
    font-size: 0.6rem;
}
.todo-item:hover .todo-delete { opacity: 1; }
.todo-delete:hover { background: rgba(255,70,70,0.35); }

/* ===== 统计 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}
.stat-card {
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-sm);
    padding: 10px 8px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.03);
}
.stat-card .num { font-size: 1.2rem; font-weight: 500; letter-spacing: 0.02em; }
.stat-card .label { font-size: 0.55rem; opacity: 0.4; text-transform: uppercase; letter-spacing: 0.06em; margin-top: 1px; }

/* ===== 右键菜单 ===== */
.context-menu {
    position: fixed;
    z-index: 100;
    background: rgba(20,20,32,0.97);
    backdrop-filter: blur(28px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 4px 0;
    min-width: 140px;
    box-shadow: 0 20px 56px rgba(0,0,0,0.50);
    opacity: 0;
    pointer-events: none;
    transform: scale(0.92);
    transition: opacity 0.15s, transform 0.15s;
}
.context-menu.active { opacity: 1; pointer-events: auto; transform: scale(1); }
.context-menu-item {
    padding: 7px 16px;
    cursor: pointer;
    font-size: 0.78rem;
    letter-spacing: 0.03em;
    transition: background 0.15s;
    display: flex;
    align-items: center;
    gap: 6px;
}
.context-menu-item:hover { background: rgba(255,255,255,0.06); }
.context-menu-item.danger { color: #ff7b7b; }

/* ===== 版权 ===== */
.footer-copyright {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    font-size: 0.7rem;
    opacity: 0.3;
    color: #fff;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    letter-spacing: 0.06em;
    pointer-events: none;
    white-space: nowrap;
    transition: opacity 0.3s;
    font-weight: 300;
    background: rgba(0,0,0,0.15);
    backdrop-filter: blur(6px);
    padding: 4px 16px;
    border-radius: 30px;
    border: 1px solid rgba(255,255,255,0.03);
}
.footer-copyright a {
    color: #fff;
    text-decoration: none;
    pointer-events: auto;
    opacity: 0.6;
    transition: opacity 0.3s;
}
.footer-copyright a:hover {
    opacity: 1;
}
@media (max-width: 680px) {
    .footer-copyright {
        font-size: 0.55rem;
        bottom: 12px;
        padding: 3px 12px;
        white-space: nowrap;
    }
}

/* ===== 首页组件容器 ===== */
.home-widgets {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    z-index: 6;
    display: flex;
    justify-content: space-between;
    padding: 0 16px;
    pointer-events: none;
    gap: 8px;
    flex-wrap: wrap;
}
.home-widgets .left-widgets,
.home-widgets .right-widgets {
    display: flex;
    flex-direction: column;
    gap: 6px;
    pointer-events: auto;
    max-width: 45%;
    min-width: 140px;
}
.home-widgets .right-widgets {
    align-items: flex-end;
}

/* ===== 首页便签 (可拖动) ===== */
.home-notes-container {
    display: flex;
    flex-direction: column;
    gap: 6px;
    pointer-events: auto;
    max-height: calc(100vh - 160px);
    overflow-y: auto;
    padding: 4px;
    width: 100%;
}
.home-note-item {
    pointer-events: auto;
    background: rgba(0, 0, 0, 0.30);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 12px;
    padding: 8px 14px;
    font-size: 0.78rem;
    word-break: break-word;
    cursor: grab;
    transition: box-shadow 0.2s;
    box-shadow: 0 4px 16px rgba(0,0,0,0.20);
    color: #fff;
    position: relative;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
    width: 100%;
    max-width: 220px;
}
.home-note-item:active { cursor: grabbing; }
.home-note-item .note-del {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(255,70,70,0.7);
    border: none;
    color: #fff;
    font-size: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
    backdrop-filter: blur(4px);
}
.home-note-item:hover .note-del { opacity: 1; }
.home-note-item .note-del:hover { background: rgba(255,50,50,0.9); }
.home-note-item .note-text { padding-right: 4px; }

/* ===== 首页待办 ===== */
.home-todo-container {
    background: rgba(0, 0, 0, 0.20);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 8px 12px;
    width: 100%;
    max-width: 220px;
    pointer-events: auto;
    max-height: 200px;
    overflow-y: auto;
}
.home-todo-container .ht-title {
    font-size: 0.6rem;
    opacity: 0.4;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.home-todo-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    padding: 2px 0;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    cursor: pointer;
}
.home-todo-item .ht-check {
    width: 14px; height: 14px;
    border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.25);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.4rem;
    transition: all 0.2s;
}
.home-todo-item.done .ht-check { background: var(--accent); border-color: var(--accent); }
.home-todo-item.done .ht-text { text-decoration: line-through; opacity: 0.3; }
.home-todo-item .ht-text { flex: 1; word-break: break-word; }
.home-todo-empty { font-size: 0.6rem; opacity: 0.3; text-align: center; padding: 4px 0; }

/* ===== 首页日历 ===== */
.home-calendar {
    background: rgba(0, 0, 0, 0.20);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    padding: 10px 12px 12px;
    min-width: 180px;
    color: #fff;
    transition: all 0.3s;
    pointer-events: auto;
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
    display: none;
    width: 100%;
    max-width: 220px;
}
.home-calendar.visible { display: block; }
.home-calendar .cal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 450;
    opacity: 0.8;
    margin-bottom: 4px;
}
.home-calendar .cal-header button {
    background: rgba(255,255,255,0.06);
    border: none;
    color: #fff;
    cursor: pointer;
    border-radius: 6px;
    padding: 1px 6px;
    font-size: 0.6rem;
    transition: background 0.2s;
}
.home-calendar .cal-header button:hover { background: rgba(255,255,255,0.14); }
.home-calendar table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.6rem;
    text-align: center;
}
.home-calendar th {
    opacity: 0.3;
    font-weight: 400;
    padding: 1px 0;
    font-size: 0.5rem;
    letter-spacing: 0.04em;
}
.home-calendar td {
    padding: 1px 0;
    border-radius: 4px;
    transition: background 0.2s;
    cursor: default;
}
.home-calendar td.today {
    background: rgba(108,156,255,0.25);
    font-weight: 500;
    border-radius: 50%;
}
.home-calendar td.other { opacity: 0.2; }
.home-calendar td:hover { background: rgba(255,255,255,0.06); }

/* ===== 快捷搜索建议 ===== */
.search-suggestions {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.50);
    backdrop-filter: blur(28px);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.06);
    padding: 4px 0;
    display: none;
    z-index: 25;
    max-height: 180px;
    overflow-y: auto;
}
.search-suggestions.active { display: block; }
.search-suggestions .sug-item {
    padding: 6px 16px;
    cursor: pointer;
    font-size: 0.78rem;
    transition: background 0.15s;
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.7);
}
.search-suggestions .sug-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
.search-suggestions .sug-item .sug-icon { opacity: 0.3; font-size: 0.8rem; }

/* ===== 每日目标与进度 ===== */
.daily-goal-container {
    background: rgba(0, 0, 0, 0.20);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 8px 12px;
    width: 100%;
    max-width: 220px;
    pointer-events: auto;
}
.daily-goal-container .dg-title {
    font-size: 0.6rem;
    opacity: 0.4;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 2px;
}
.daily-goal-container .dg-progress {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.7rem;
}
.daily-goal-container .dg-bar {
    flex: 1;
    height: 4px;
    border-radius: 4px;
    background: rgba(255,255,255,0.08);
    overflow: hidden;
}
.daily-goal-container .dg-bar .dg-fill {
    height: 100%;
    border-radius: 4px;
    background: var(--accent);
    transition: width 0.5s;
    width: 0%;
}
.daily-goal-container .dg-text {
    font-size: 0.6rem;
    opacity: 0.5;
    margin-top: 2px;
}

/* ===== 系统信息 ===== */
.sys-info {
    background: rgba(0, 0, 0, 0.20);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 6px 12px;
    font-size: 0.55rem;
    opacity: 0.4;
    pointer-events: auto;
    width: 100%;
    max-width: 220px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
}
.sys-info span { white-space: nowrap; }

/* ===== 倒计时小部件 (首页) ===== */
.home-countdown {
    background: rgba(0, 0, 0, 0.20);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 6px 12px;
    pointer-events: auto;
    width: 100%;
    max-width: 220px;
    text-align: center;
}
.home-countdown .hcd-time {
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.04em;
}
.home-countdown .hcd-label {
    font-size: 0.5rem;
    opacity: 0.3;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ===== 响应式调整 ===== */
@media (max-width: 768px) {
    .home-widgets {
        top: 60px;
        padding: 0 8px;
        gap: 4px;
    }
    .home-widgets .left-widgets,
    .home-widgets .right-widgets {
        max-width: 48%;
        min-width: 100px;
    }
    .home-note-item {
        font-size: 0.6rem;
        padding: 4px 10px;
        max-width: 160px;
    }
    .home-todo-container,
    .home-calendar,
    .daily-goal-container,
    .sys-info,
    .home-countdown {
        max-width: 160px;
        padding: 6px 8px;
    }
    .home-calendar { min-width: 130px; padding: 6px 8px; }
    .home-calendar table { font-size: 0.5rem; }
    .home-todo-item { font-size: 0.6rem; }
    .home-countdown .hcd-time { font-size: 0.9rem; }
}
@media (max-width: 480px) {
    .home-widgets {
        top: 50px;
        padding: 0 4px;
    }
    .home-widgets .left-widgets,
    .home-widgets .right-widgets {
        max-width: 50%;
        min-width: 80px;
    }
    .home-note-item {
        font-size: 0.5rem;
        padding: 3px 8px;
        max-width: 120px;
    }
    .home-todo-container,
    .home-calendar,
    .daily-goal-container,
    .sys-info,
    .home-countdown {
        max-width: 120px;
        padding: 4px 6px;
    }
    .home-calendar { min-width: 100px; padding: 4px 6px; }
    .home-calendar table { font-size: 0.4rem; }
    .home-todo-item { font-size: 0.5rem; }
    .home-countdown .hcd-time { font-size: 0.7rem; }
    .sys-info { font-size: 0.45rem; }
}
@media (max-width: 680px) {
    .main-container { gap: 8px; width: 96vw; }
    .search-box { padding: 3px 4px 3px 14px; border-radius: 40px; }
    .search-engine-select { padding: 3px 6px 3px 10px; padding-right: 24px; font-size: 0.6rem; }
    .keyboard-toggle { font-size: 0.6rem; padding: 2px 8px; }
    .bookmark-item { padding: 5px 8px; min-width: 44px; }
    .bookmark-icon { width: 30px; height: 30px; font-size: 1rem; }
    .bookmark-name { font-size: 0.55rem; max-width: 40px; }
    .floating-buttons { bottom: 10px; right: 10px; gap: 6px; }
    .float-btn { width: 36px; height: 36px; font-size: 0.95rem; }
    .quote-container { bottom: 10px; left: 10px; max-width: 140px; font-size: 0.55rem; padding: 4px 8px; }
    .weather-widget { top: 8px; left: 8px; padding: 4px 10px; font-size: 0.55rem; gap: 6px; max-width: 160px; }
    .weather-icon { font-size: 1.2rem; }
    .sidebar-panel { width: 100vw; max-width: 100vw; right: -100vw; }
    .preset-grid { grid-template-columns: repeat(4, 1fr); }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .key {
        height: 34px;
        font-size: 0.85rem;
        max-width: 38px;
    }
    .key.special { max-width: 48px; font-size: 0.65rem; }
    .key.space { max-width: 120px; font-size: 0.6rem; }
    .key.backspace { max-width: 48px; }
    .key.return { max-width: 48px; }
    .key.hide-keyboard { max-width: 36px; font-size: 0.65rem; }
    .keyboard-row { gap: 3px; }
    .keyboard-panel { padding: 6px 4px 10px 4px; }
}
@media (max-width: 420px) {
    .bookmark-item { padding: 3px 5px; min-width: 36px; }
    .bookmark-icon { width: 24px; height: 24px; font-size: 0.8rem; }
    .bookmark-name { font-size: 0.45rem; max-width: 32px; }
    .key { height: 30px; font-size: 0.75rem; max-width: 32px; }
    .key.special { max-width: 40px; font-size: 0.55rem; }
    .key.space { max-width: 80px; font-size: 0.5rem; }
    .keyboard-row { gap: 2px; }
}
@media (max-height: 600px) {
    .key { height: 30px; }
    .keyboard-panel { padding: 4px 4px 8px 4px; }
    .keyboard-row { margin-bottom: 2px; }
}