/* ========== 基础重置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        background: linear-gradient(180deg, var(--bg-start, #fef9f0) 0%, var(--bg-mid, #fdf3e4) 30%, var(--bg-end, #fef9f0) 100%);
    min-height: 100vh;
    color: #5c4b3a;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    transition: background 0.8s ease, color 0.8s ease;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 20px 60px;
}

/* ========== 顶部 ========== */
.header {
    text-align: center;
    margin-bottom: 48px;
    padding-top: 20px;
    position: relative;
    overflow: hidden;
    cursor: default;
    user-select: none;
}

.stars-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.star-particle {
    position: absolute;
    background: #e8c97a;
    border-radius: 50%;
    opacity: 0;
    box-shadow: 0 0 6px 2px rgba(232, 201, 122, 0.5);
    animation: starTwinkle 3s ease-in-out infinite;
}

.header.stars-active .star-particle {
    opacity: 0.7;
}

@keyframes starTwinkle {
    0%, 100% {
        opacity: 0.15;
        transform: scale(0.8);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.3);
    }
}

.days-badge {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.days-number {
    font-size: 72px;
    font-weight: 300;
    color: var(--text-light, #c49a6c);
    letter-spacing: -2px;
    line-height: 1;
    transition: color 0.8s ease;
}

.days-label {
    font-size: 22px;
    color: var(--text-light, #b8937a);
    font-weight: 400;
    transition: color 0.8s ease;
}

.subtitle {
    font-size: 15px;
    color: var(--text-light, #b8937a);
    letter-spacing: 2px;
    position: relative;
    z-index: 1;
    transition: color 0.8s ease;
}

.hint-text {
    font-size: 12px;
    color: var(--text-hint, #d4b896);
    margin-top: 8px;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
    transition: opacity 0.8s ease, color 0.8s ease;
}

/* ========== 卡片 ========== */
.cards {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.card {
    background: var(--card-bg, #fffdf9);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(180, 150, 120, 0.10);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.8s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(180, 150, 120, 0.16);
}

.card-image {
    width: 100%;
    overflow: hidden;
    cursor: pointer;
    background: #f5ede3;
    border-radius: 16px 16px 0 0;
    transition: background 0.8s ease;
}

.card-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.card-image:hover img {
    transform: scale(1.04);
}

.card-content {
    padding: 20px 22px 24px;
}

.card-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-sub, #7a6450);
    margin-bottom: 8px;
    letter-spacing: 1px;
    transition: color 0.8s ease;
}

.card-text {
    font-size: 14.5px;
    color: var(--text-sub, #8b7560);
    line-height: 2;
    transition: color 0.8s ease;
}

.card-hint {
    font-size: 11px;
    color: var(--text-hint, #d4b896);
    margin-top: 10px;
    letter-spacing: 1px;
    text-align: right;
    transition: color 0.8s ease;
}

/* ========== 底部 ========== */
.footer {
    text-align: center;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--text-hint, #e8d9c8);
    transition: border-color 0.8s ease;
}

.footer p {
    font-size: 13px;
    color: var(--text-hint, #c4a88c);
    letter-spacing: 1px;
    transition: color 0.8s ease;
}

/* ========== 灯箱 ========== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(60, 40, 25, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.lightbox img {
    max-width: 90%;
    max-height: 85%;
    border-radius: 8px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 28px;
    font-size: 36px;
    color: #fff;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.lightbox-close:hover {
    opacity: 1;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========== 相册弹窗 ========== */
.album-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(60, 40, 25, 0.92);
    z-index: 1001;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.25s ease;
}

.album-modal {
    background: #fffdf9;
    border-radius: 20px;
    padding: 28px 24px 24px;
    width: 92%;
    max-width: 520px;
    max-height: 88vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.3);
    transition: background 0.8s ease;
}

.album-close {
    position: absolute;
    top: 10px;
    right: 18px;
    font-size: 32px;
    color: #b8937a;
    cursor: pointer;
    z-index: 10;
    transition: color 0.2s;
}

.album-close:hover {
    color: #5c4b3a;
}

.album-grid {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
}

.album-grid img {
    flex: 0 0 auto;
    width: 140px;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    cursor: pointer;
    scroll-snap-align: start;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.album-grid img:hover {
    transform: scale(1.04);
    opacity: 0.9;
}

.album-grid::-webkit-scrollbar {
    height: 4px;
}

.album-grid::-webkit-scrollbar-thumb {
    background: #d9c4a8;
    border-radius: 2px;
}

.album-video {
    border-radius: 12px;
    overflow: hidden;
    background: #f5ede3;
    transition: background 0.8s ease;
}

.album-video video {
    width: 100%;
    display: block;
    border-radius: 12px;
}

.album-modal::-webkit-scrollbar {
    width: 4px;
}

.album-modal::-webkit-scrollbar-thumb {
    background: #d9c4a8;
    border-radius: 2px;
}

/* ========== 单张图片弹出 ========== */
.single-image-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(60, 40, 25, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    animation: fadeIn 0.2s ease;
}

.single-image-overlay img {
    max-width: 88%;
    max-height: 82%;
    border-radius: 12px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35);
}

.single-image-close {
    position: absolute;
    top: 24px;
    right: 28px;
    font-size: 36px;
    color: #fff;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.single-image-close:hover {
    opacity: 1;
}

/* ========== 音乐开关 ========== */
.music-toggle {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    background: #fffdf9;
    border-radius: 50%;
    box-shadow: 0 2px 12px rgba(180, 150, 120, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    font-size: 20px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.8s ease;
    user-select: none;
}

.music-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 18px rgba(180, 150, 120, 0.35);
}

/* ========== 响应式 ========== */
@media (max-width: 480px) {
    .days-number {
        font-size: 56px;
    }
    .card-content {
        padding: 16px 16px 20px;
    }
    .container {
        padding: 24px 14px 40px;
    }
    .album-modal {
        padding: 20px 14px 18px;
        width: 95%;
    }
    .album-grid {
        gap: 6px;
    }
}

/* ======================================== */
/*  昼夜切换图标（完整复刻版）              */
/* ======================================== */

.theme-toggle {
    position: fixed;
    bottom: 84px;
    right: 28px;
    width: 44px;
    height: 44px;
    cursor: pointer;
    z-index: 999;
    user-select: none;
    background: #fffdf9;
    border-radius: 50%;
    box-shadow: 0 2px 12px rgba(180, 150, 120, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.8s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 18px rgba(180, 150, 120, 0.35);
}

.toggle-icon {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
}

/* 太阳核心 */
.sun {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 18px;
    height: 18px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.sun-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    background: #f0b34b;
    border-radius: 50%;
    box-shadow: 0 0 8px 2px rgba(240, 179, 75, 0.5);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 太阳光芒 */
.sun-ray {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2px;
    height: 6px;
    background: #f0b34b;
    border-radius: 1px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.sun-ray.r1 { transform: translate(-50%, -50%) rotate(0deg) translateY(-12px); }
.sun-ray.r2 { transform: translate(-50%, -50%) rotate(45deg) translateY(-12px); }
.sun-ray.r3 { transform: translate(-50%, -50%) rotate(90deg) translateY(-12px); }
.sun-ray.r4 { transform: translate(-50%, -50%) rotate(135deg) translateY(-12px); }
.sun-ray.r5 { transform: translate(-50%, -50%) rotate(180deg) translateY(-12px); }
.sun-ray.r6 { transform: translate(-50%, -50%) rotate(225deg) translateY(-12px); }
.sun-ray.r7 { transform: translate(-50%, -50%) rotate(270deg) translateY(-12px); }
.sun-ray.r8 { transform: translate(-50%, -50%) rotate(315deg) translateY(-12px); }

/* 月亮 */
.moon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, 20px);
    width: 18px;
    height: 18px;
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.moon-body {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    background: #e8e0d4;
    border-radius: 50%;
    box-shadow: 0 0 10px 3px rgba(220, 210, 190, 0.4);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.moon-shadow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-30%, -50%);
    width: 13px;
    height: 16px;
    background: #fffdf9;
    border-radius: 50%;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 环形山 */
.moon-crater {
    position: absolute;
    background: #d4c8b0;
    border-radius: 50%;
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.moon-crater.c1 { width: 4px; height: 4px; top: 5px; left: 3px; }
.moon-crater.c2 { width: 3px; height: 3px; top: 3px; left: 9px; }
.moon-crater.c3 { width: 3px; height: 3px; top: 10px; left: 7px; }
.moon-crater.c4 { width: 2px; height: 2px; top: 9px; left: 2px; }

/* 云朵 */
.cloud {
    position: absolute;
    background: #fff;
    border-radius: 50%;
    opacity: 0.8;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.cloud.c1 {
    width: 16px;
    height: 6px;
    top: 6px;
    left: -4px;
    border-radius: 10px;
    box-shadow: 3px -3px 0 2px #fff, 8px -2px 0 1px #fff;
}

.cloud.c2 {
    width: 12px;
    height: 4px;
    top: 22px;
    left: 26px;
    border-radius: 8px;
    box-shadow: 2px -2px 0 1px #fff;
}

/* 星星 */
.toggle-star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: #fff;
    border-radius: 50%;
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.toggle-star.s1 { top: 8px; left: 28px; }
.toggle-star.s2 { top: 16px; left: 34px; width: 1.5px; height: 1.5px; }
.toggle-star.s3 { top: 26px; left: 6px; }
.toggle-star.s4 { top: 20px; left: 30px; width: 1.5px; height: 1.5px; }
.toggle-star.s5 { top: 5px; left: 14px; width: 1px; height: 1px; }

/* ======================================== */
/*  夜景模式                              */
/* ======================================== */

body.night-mode {
    background: linear-gradient(180deg, #1a1a3e 0%, #1f1f4a 30%, #1a1a3e 100%);
    color: #d0c8c0;
}

/* 夜景 - 太阳变月亮 */
body.night-mode .sun {
    transform: translate(-50%, 8px);
}

body.night-mode .sun-core {
    background: #e8e0d4;
    box-shadow: 0 0 10px 3px rgba(220, 210, 190, 0.4);
    width: 10px;
    height: 10px;
}

body.night-mode .sun-ray {
    opacity: 0;
    height: 0;
}

body.night-mode .moon {
    transform: translate(-50%, -50%);
    opacity: 1;
}

body.night-mode .moon-shadow {
    background: #1a1a3e;
}

body.night-mode .moon-crater {
    opacity: 0.6;
}

body.night-mode .cloud {
    opacity: 0;
}

body.night-mode .toggle-star {
    opacity: 0.8;
    animation: starBlink 2s ease-in-out infinite;
}

body.night-mode .toggle-star.s1 { animation-delay: 0s; }
body.night-mode .toggle-star.s2 { animation-delay: 0.3s; }
body.night-mode .toggle-star.s3 { animation-delay: 0.6s; }
body.night-mode .toggle-star.s4 { animation-delay: 0.9s; }
body.night-mode .toggle-star.s5 { animation-delay: 1.2s; }

@keyframes starBlink {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* 夜景 - 图标背景 */
body.night-mode .theme-toggle {
    background: #2a2a4a;
    box-shadow: 0 2px 12px rgba(100, 100, 180, 0.3);
}

/* 夜景 - 顶部 */
body.night-mode .days-number {
    color: #d0c8b8;
}

body.night-mode .days-label,
body.night-mode .subtitle {
    color: #b0a898;
}

body.night-mode .hint-text {
    color: #9088a0;
}

/* 夜景 - 星光变银白 */
body.night-mode .star-particle {
    background: #c8d0e8;
    box-shadow: 0 0 8px 3px rgba(180, 190, 220, 0.5);
}

/* 夜景 - 卡片 */
body.night-mode .card {
    background: #252540;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

body.night-mode .card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

body.night-mode .card-image {
    background: #1e1e38;
}

body.night-mode .card-title {
    color: #c8c0b8;
}

body.night-mode .card-text {
    color: #b0a898;
}

body.night-mode .card-hint {
    color: #8880a0;
}

/* 夜景 - 底部 */
body.night-mode .footer {
    border-top-color: #3a3a58;
}

body.night-mode .footer p {
    color: #9088a0;
}

/* 夜景 - 音乐按钮 */
body.night-mode .music-toggle {
    background: #2a2a4a;
    box-shadow: 0 2px 12px rgba(100, 100, 180, 0.3);
}

/* 夜景 - 相册弹窗 */
body.night-mode .album-modal {
    background: #252540;
}

body.night-mode .album-video {
    background: #1e1e38;
}

/* 夜景 - 响应式不变 */
@media (max-width: 480px) {
    body.night-mode .theme-toggle {
        bottom: 84px;
    }
}
/* ========== 卡片抖动 ========== */
.card-shake {
    animation: cardShake 0.6s ease-in-out;
}

@keyframes cardShake {
    0%, 100% { transform: translateX(0); }
    10% { transform: translateX(-4px); }
    20% { transform: translateX(4px); }
    30% { transform: translateX(-3px); }
    40% { transform: translateX(3px); }
    50% { transform: translateX(-2px); }
    60% { transform: translateX(2px); }
    70% { transform: translateX(-1px); }
    80% { transform: translateX(1px); }
    90% { transform: translateX(0); }
}

/* 夜景隐藏光斑 */
body.night-mode .glow-spot {
    opacity: 0 !important;
    animation-play-state: paused;
}

/* 夜景下隐藏白天粒子 */
body.night-mode .day-particle {
    opacity: 0 !important;
    animation-play-state: paused;
}

/* ========== 夜景远处星光 ========== */
.night-stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.night-star {
    position: absolute;
    background: #fff;
    border-radius: 50%;
    opacity: 0;
    animation: distantTwinkle ease-in-out infinite;
}

@keyframes distantTwinkle {
    0%, 100% { opacity: 0; transform: scale(0.6); }
    40% { opacity: 0.5; transform: scale(1); }
    60% { opacity: 0.5; transform: scale(1); }
}

/* 白天隐藏夜景星光 */
body:not(.night-mode) .night-star {
    opacity: 0 !important;
    animation-play-state: paused;
}

/* ========== 底部随机句子 ========== */
.footer-quote {
    font-size: 13px;
    color: #c4a88c;
    letter-spacing: 1px;
    margin-top: 8px;
    transition: color 0.8s ease;
}

body.night-mode .footer-quote {
    color: #9088a0;
}

/* ========== 顶部心情图标 ========== */
.header-moods {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 18px;
    position: relative;
    z-index: 1;
}
.mood-badge {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #fffdf9;
    box-shadow: 0 1px 8px rgba(180, 150, 120, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: default;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.8s ease;
    flex-shrink: 0;
}

.her-mood {
    cursor: pointer;
}

.her-mood:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 14px rgba(180, 150, 120, 0.25);
}

.mood-badge-icon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
}

/* 待选状态 */
.mood-empty {
    border: 2px dashed #d4b896;
    background: transparent;
}

/* ====== 11个心情CSS图标（统一圆形/椭圆风格） ====== */

/* 第一行：饱满型 */
/* 愉悦 - 实心暖金圆 + 光晕（原开心） */
.mood-yuyue {
    position: relative;
    background: #f0b34b;
    border-radius: 50%;
    box-shadow: 
        0 0 6px 3px rgba(240, 179, 75, 0.5),
        -4px -2px 0 0 rgba(240, 179, 75, 0.6),
        4px -2px 0 0 rgba(240, 179, 75, 0.6),
        -2px 4px 0 0 rgba(240, 179, 75, 0.4),
        2px 4px 0 0 rgba(240, 179, 75, 0.4),
        0 -5px 0 0 rgba(240, 179, 75, 0.3);
}

/* 悠闲 - 实心绿叶椭圆（原悠闲） */
.mood-youxian {
    background: #8cb88a;
    border-radius: 60% 5% 60% 5% / 50% 30% 70% 50%;
    box-shadow: 0 0 4px 1px rgba(140, 184, 138, 0.4);
}

/* 期待 - 圆润饱满星光圆 全填充 */
.mood-qidai {
    position: relative;
    width: 18px;
    height: 18px;
    background: #e8c97a;
    border-radius: 50%;
    margin: 4px auto 0;
    box-shadow: 0 0 6px rgba(232, 201, 122, 0.5);
}
/* 中心微光圆点 寓意满心期许 */
.mood-qidai::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 7px;
    height: 7px;
    background: #fff8e0;
    border-radius: 50%;
}
/* 上扬小弧度尖角 代表憧憬向往 */
.mood-qidai::after {
    content: '';
    position: absolute;
    top: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 8px;
    background: #e8c97a;
    border-radius: 50% 50% 0 0;
}

/* 自由 - 实心浅蓝圆 + 两侧小圆弧 */
.mood-ziyou {
    position: relative;
    background: #7eb8da;
    border-radius: 50%;
    box-shadow: 0 0 4px 1px rgba(126, 184, 218, 0.4);
}
.mood-ziyou::before {
    content: '';
    position: absolute;
    top: 2px; left: -5px;
    width: 8px; height: 8px;
    border: 2px solid #7eb8da;
    border-radius: 50%;
    background: transparent;
}
.mood-ziyou::after {
    content: '';
    position: absolute;
    top: 2px; right: -5px;
    width: 8px; height: 8px;
    border: 2px solid #7eb8da;
    border-radius: 50%;
    background: transparent;
}

/* 第二行：半空心型 */
/* 悲伤 - 水滴椭圆，中间挖空 */
.mood-beishang {
    position: relative;
    width: 18px; height: 16px;
    background: #7eb8da;
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    box-shadow: 0 0 4px 1px rgba(126, 184, 218, 0.4);
}
.mood-beishang::after {
    content: '';
    position: absolute;
    top: 5px; left: 5px;
    width: 8px; height: 6px;
    background: #fffdf9;
    border-radius: 50%;
}

/* 孤独 - 空心圆，内底部一个小实心点 */
.mood-gudu {
    position: relative;
    width: 18px; height: 18px;
    border: 2px solid #b0a090;
    border-radius: 50%;
    background: transparent;
    box-shadow: 0 0 3px rgba(176, 160, 144, 0.3);
}
.mood-gudu::after {
    content: '';
    position: absolute;
    bottom: 3px; left: 50%;
    transform: translateX(-50%);
    width: 4px; height: 4px;
    background: #b0a090;
    border-radius: 50%;
}

/* 愤怒 - 椭圆，中间横向空心裂缝 */
.mood-fennu {
    position: relative;
    width: 18px; height: 16px;
    background: #e07050;
    border-radius: 50%;
    box-shadow: 0 0 4px 1px rgba(224, 112, 80, 0.4);
}
.mood-fennu::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 10px; height: 3px;
    background: #fffdf9;
    border-radius: 2px;
}

/* 遗憾 - 实心圆，右上角1/4缺口 */
.mood-yihan {
    position: relative;
    width: 18px; height: 18px;
    background: #c0a890;
    border-radius: 50%;
    box-shadow: 0 0 3px rgba(192, 168, 144, 0.3);
    clip-path: polygon(0% 0%, 70% 0%, 70% 30%, 100% 30%, 100% 100%, 0% 100%);
}

/* 第三行：空心型 + 自定义 */
/* 无聊 - 空心圆（原无聊） */
.mood-wuliao {
    width: 18px; height: 18px;
    border: 2px solid #b0a090;
    border-radius: 50%;
    background: transparent;
    box-shadow: 0 0 3px rgba(176, 160, 144, 0.3);
}

/* 空虚 - 横向拉伸的空心椭圆 */
.mood-kongxu {
    width: 22px; height: 14px;
    border: 2px solid #c0b8a8;
    border-radius: 50%;
    background: transparent;
    box-shadow: 0 0 3px rgba(192, 184, 168, 0.3);
}

/* 发癫 - 圆形底座 + 内部交叉折线 */
.mood-fadian {
    position: relative;
    width: 18px; height: 18px;
    border: 2px solid #c0b0d0;
    border-radius: 50%;
    background: transparent;
    box-shadow: 0 0 4px 1px rgba(192, 176, 208, 0.4);
}
.mood-fadian::before {
    content: '';
    position: absolute;
    top: 4px; left: 6px;
    width: 6px; height: 6px;
    border-right: 2px solid #c0b0d0;
    border-bottom: 2px solid #c0b0d0;
    transform: rotate(45deg);
}
.mood-fadian::after {
    content: '';
    position: absolute;
    top: 6px; left: 3px;
    width: 6px; height: 6px;
    border-left: 2px solid #c0b0d0;
    border-top: 2px solid #c0b0d0;
    transform: rotate(45deg);
}

/* ====== 夜景心情图标适配 ====== */
/* 夜景模式下，所有半空心图标的挖空部分换成深色背景色 */
body.night-mode .mood-beishang::after { background: #252540; }
body.night-mode .mood-fennu::after { background: #252540; }
/* 空心图标在夜景下边框颜色调整 */
body.night-mode .mood-gudu { border-color: #8880a0; }
body.night-mode .mood-gudu::after { background: #8880a0; }
body.night-mode .mood-yihan { border-color: #8880a0; }
body.night-mode .mood-wuliao { border-color: #8880a0; }
body.night-mode .mood-kongxu { border-color: #8880a0; }
body.night-mode .mood-fadian { border-color: #9088a0; }
body.night-mode .mood-fadian::before { border-color: #9088a0; }
body.night-mode .mood-fadian::after { border-color: #9088a0; }

/* ====== 夜景心情图标适配 ====== */
body.night-mode .mood-badge {
    background: #2a2a4a;
    box-shadow: 0 1px 8px rgba(100, 100, 180, 0.2);
}
body.night-mode .mood-empty {
    border-color: #8880a0;
}

/* ========== 心情选择弹窗 ========== */
.mood-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(60, 40, 25, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.mood-panel {
    background: #fffdf9;
    border-radius: 20px;
    padding: 24px 20px 20px;
    width: 300px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.mood-title {
    font-size: 14px;
    color: #8b7560;
    margin-bottom: 18px;
    letter-spacing: 2px;
}

.mood-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px 6px;
}

.mood-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 8px 4px;
    border-radius: 12px;
    transition: background 0.2s ease;
}

.mood-item:hover {
    background: rgba(180, 150, 120, 0.1);
}

.mood-item .mood-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mood-item span {
    font-size: 11px;
    color: #8b7560;
    letter-spacing: 1px;
}

.mood-item .mood-yuyue { width: 22px; height: 22px; }
.mood-item .mood-youxian { width: 20px; height: 22px; }
.mood-item .mood-qidai { width: 20px; height: 22px; }
.mood-item .mood-ziyou { width: 22px; height: 22px; }
.mood-item .mood-beishang { width: 20px; height: 22px; }
.mood-item .mood-gudu { width: 20px; height: 22px; }
.mood-item .mood-fennu { width: 20px; height: 22px; }
.mood-item .mood-yihan { width: 20px; height: 22px; }
.mood-item .mood-wuliao { width: 20px; height: 22px; }
.mood-item .mood-kongxu { width: 22px; height: 22px; }
.mood-item .mood-fadian { width: 20px; height: 22px; }

                        /* ========== 更新日志 ========== */
.changelog {
    margin-top: 12px;
}

.changelog-toggle {
    font-size: 11px;
    color: #c4a88c;
    cursor: pointer;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.changelog-toggle:hover {
    color: #a08060;
}

.changelog-content {
    display: none;
    margin-top: 6px;
}

.changelog-content p {
    font-size: 10px;
    color: #c4a88c;
    line-height: 1.6;
    letter-spacing: 0.5px;
}

body.night-mode .changelog-toggle,
body.night-mode .changelog-content p {
    color: #9088a0;
}

/* ========== 设置图标 ========== */
.settings-link {
    position: absolute;
    top: 24px;
    left: 18px;
    z-index: 998;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: opacity 0.3s ease;
}
.settings-link:hover { opacity: 0.7; }

/* 齿轮图标 - CSS绘制 */
.settings-icon {
    position: relative;
    width: 20px;
    height: 20px;
}

/* 齿轮中心圆 */
.settings-icon::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: #d4c0a8;
    border-radius: 50%;
    z-index: 2;
}

/* 齿轮外圈 + 齿 */
.settings-icon::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: 
        radial-gradient(circle, transparent 5px, #d4c0a8 5px, #d4c0a8 6px, transparent 6px),
        conic-gradient(
            transparent 0deg, transparent 15deg, #d4c0a8 15deg, #d4c0a8 30deg,
            transparent 30deg, transparent 60deg, #d4c0a8 60deg, #d4c0a8 75deg,
            transparent 75deg, transparent 105deg, #d4c0a8 105deg, #d4c0a8 120deg,
            transparent 120deg, transparent 150deg, #d4c0a8 150deg, #d4c0a8 165deg,
            transparent 165deg, transparent 195deg, #d4c0a8 195deg, #d4c0a8 210deg,
            transparent 210deg, transparent 240deg, #d4c0a8 240deg, #d4c0a8 255deg,
            transparent 255deg, transparent 285deg, #d4c0a8 285deg, #d4c0a8 300deg,
            transparent 300deg, transparent 330deg, #d4c0a8 330deg, #d4c0a8 345deg,
            transparent 345deg, transparent 360deg
        );
}

body.night-mode .settings-icon::before,
body.night-mode .settings-icon::after {
    background-color: #9088a0;
}
body.night-mode .settings-icon::after {
    background: 
        radial-gradient(circle, transparent 5px, #9088a0 5px, #9088a0 6px, transparent 6px),
        conic-gradient(
            transparent 0deg, transparent 15deg, #9088a0 15deg, #9088a0 30deg,
            transparent 30deg, transparent 60deg, #9088a0 60deg, #9088a0 75deg,
            transparent 75deg, transparent 105deg, #9088a0 105deg, #9088a0 120deg,
            transparent 120deg, transparent 150deg, #9088a0 150deg, #9088a0 165deg,
            transparent 165deg, transparent 195deg, #9088a0 195deg, #9088a0 210deg,
            transparent 210deg, transparent 240deg, #9088a0 240deg, #9088a0 255deg,
            transparent 255deg, transparent 285deg, #9088a0 285deg, #9088a0 300deg,
            transparent 300deg, transparent 330deg, #9088a0 330deg, #9088a0 345deg,
            transparent 345deg, transparent 360deg
        );
}

/* 弹窗图标强制对齐 */
.mood-item .mood-icon {
    width: 24px !important;
    height: 24px !important;
    min-height: 24px !important;
    flex-shrink: 0;
}