:root {
    --bg-color: #f5f7fa;
    /* 增加多个色彩，模拟 Apple Music 柔和多色渐变 */
    --bg-image: linear-gradient(-45deg, #ff3b30, #ff2d55, #af52de, #5e5ce6, #32ade6, #34c759);
    --card-bg: #ffffff;
    --primary-color: #1890ff;
    --text-main: #2c3e50;
    --text-sub: #95a5a6;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --title-color: #2c3e50;
    --card-border: 1px solid rgba(255, 255, 255, 0.4);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    background-image: var(--bg-image);
    /* 放大背景尺寸以支持大范围流动 */
    background-size: 400% 400%;
    background-attachment: fixed;
    margin: 0;
    padding: 20px;
    color: var(--text-main);
    transition: background 0.5s ease;
    overscroll-behavior-y: none;
    -webkit-tap-highlight-color: transparent;
    /* 默认不暂停 */
    animation-play-state: running;
}

/* 优化动画轨迹，模拟 Apple Music 随机缓慢游荡的效果 */
@keyframes gradientAnimation {
    0% { background-position: 0% 50%; }
    25% { background-position: 50% 100%; }
    50% { background-position: 100% 50%; }
    75% { background-position: 50% 0%; }
    100% { background-position: 0% 50%; }
}

body.animate-bg {
    /* 动画时间延长至 45s，效果极度平缓丝滑 */
    animation: gradientAnimation 45s ease-in-out infinite;
}

/* --- 新增：暂停状态 --- */
body.bg-paused {
    animation-play-state: paused !important;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 100px;
}

h1 {
    text-align: center;
    color: var(--title-color);
    margin-bottom: 8px;
    font-size: 1.8rem;
    font-weight: 800;
    transition: color 0.3s;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.tip {
    text-align: center;
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 20px;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5);
}

#sakura-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    z-index: 100;
    opacity: 0;
    mix-blend-mode: screen;
    transition: opacity 0.5s ease;
    transform: scale(1.1);
}

#sakura-video.playing {
    opacity: 1;
}

.main-card, .city-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: var(--card-border);
}

.time-machine {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 10px 20px;
    border-radius: 50px;
    /* 统一宽度：与 main-card 等宽对齐 */
    width: 100%;
    max-width: 600px;
    box-sizing: border-box;
    margin-left: auto;
    margin-right: auto;
    box-shadow: var(--shadow);
    border: var(--card-border);
}

.time-machine input {
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 8px;
    border-radius: 6px;
    color: #333;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.5);
}

.time-machine button {
    background: rgba(0, 0, 0, 0.05);
    border: none;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    color: #555;
    font-weight: 600;
    transition: all .2s;
}

.time-machine button.active {
    background: var(--primary-color);
    color: #fff;
}

.time-machine button:hover:not(.active) {
    background: rgba(0, 0, 0, 0.1);
}

.tm-label {
    font-size: .9rem;
    font-weight: 700;
    color: #555;
}

.main-clock-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.main-card {
    /* 统一宽度：作为标杆 */
    width: 100%;
    max-width: 600px;
    box-sizing: border-box;
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    text-align: center;
    border-top: 5px solid var(--primary-color);
    position: relative;
    transition: border-color .3s, background .3s;
}

.main-card.simulating {
    border-top-color: #faad14;
}

.main-card .time {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
    font-family: sans-serif;
}

.main-card.simulating .time {
    color: #faad14;
}

.main-card .label {
    font-size: 1.2rem;
    font-weight: 700;
    display: block;
    margin-bottom: 5px;
    color: #34495e;
}

.main-card .date {
    font-size: 1rem;
    color: var(--text-sub);
    margin-top: 8px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.city-card {
    border-radius: 12px;
    padding: 15px 20px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    user-select: none;
    transition: all .2s ease;
    touch-action: pan-y;
    overflow: hidden;
    cursor: pointer;
}

.city-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, .15);
    border-color: rgba(255, 255, 255, 0.9);
}

.sortable-ghost {
    opacity: .4;
    background: rgba(230, 247, 255, 0.6);
    border: 1px dashed #1890ff;
}

.sortable-drag {
    cursor: grabbing;
    opacity: 1;
    background: #fff;
    box-shadow: 0 15px 30px rgba(0, 0, 0, .15);
    transform: scale(1.02);
    z-index: 1000;
}

.delete-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.05);
    color: #999;
    text-align: center;
    line-height: 26px;
    cursor: pointer;
    font-size: 18px;
    opacity: 0;
    transition: all .2s;
    z-index: 10;
}

.city-card:hover .delete-btn {
    opacity: 1;
}

.delete-btn:hover {
    background: #ff4d4f;
    color: #fff;
}

.add-card {
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border: 2px dashed rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.3);
    min-height: 160px;
    border-radius: 12px;
    transition: all .3s;
    backdrop-filter: blur(4px);
}

.add-card:active {
    background: rgba(230, 247, 255, 0.5);
    border-color: #1890ff;
}

.add-icon {
    font-size: 2.5rem;
    color: rgba(0, 0, 0, 0.2);
    font-weight: 300;
}

.add-card:active .add-icon {
    color: #1890ff;
}

.city-card.active-green {
    background-color: rgba(246, 255, 237, 0.85) !important;
    border-color: #95de64 !important;
}

.city-card.active-grey {
    background-color: rgba(245, 245, 245, 0.85) !important;
    border-color: #d9d9d9 !important;
    opacity: .9;
}

.city-card.active-grey .city-time {
    color: #8c8c8c;
}

.city-card.active-grey .country-row-text {
    color: #595959;
}

.city-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding-bottom: 8px;
    pointer-events: none;
    position: relative;
    z-index: 2;
    min-height: 44px;
}

.header-left {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    flex: 1;
    min-width: 0;
    margin-right: 8px;
}

.flag {
    font-size: 1.6rem;
    line-height: 1.1;
    margin-top: 1px;
    flex-shrink: 0;
}

.city-text-col {
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.country-row-top {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 2px;
}

.country-row-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: #2c3e50;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.phone-text-plain {
    font-size: 1.1rem;
    font-weight: 700;
    color: #2c3e50;
    font-family: inherit;
    opacity: .4;
}

.city-subtext {
    font-size: .85rem;
    color: #95a5a6;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

.status-dot-wrapper {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .8rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.05);
    flex-shrink: 0;
    white-space: nowrap;
    margin-top: 2px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.dot-green {
    background-color: #52c41a;
    box-shadow: 0 0 4px #52c41a;
}

.dot-grey {
    background-color: #d9d9d9;
}

.status-text {
    color: #666;
}

.city-time {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 4px;
    font-variant-numeric: tabular-nums;
    pointer-events: none;
    color: #2c3e50;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    position: relative;
    z-index: 2;
    transition: color .2s;
}

.city-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    pointer-events: none;
    position: relative;
    z-index: 2;
}

.city-date {
    font-size: .85rem;
    color: #95a5a6;
    flex: 1;
}

.weather-wrapper {
    font-size: .85rem;
    color: #555;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-right: 10px;
}

.diff-tag {
    padding: 4px 10px;
    font-size: .8rem;
    border-radius: 4px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.5);
}

.ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    animation: ripple .6s linear;
    pointer-events: none;
    z-index: 1;
}

.ripple.ripple-green {
    background: rgba(82, 196, 26, .3);
}

.ripple.ripple-grey {
    background: rgba(0, 0, 0, .1);
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* 弹窗 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity .2s;
    backdrop-filter: blur(5px);
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    width: 90%;
    max-width: 450px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .2);
    transform: scale(.95);
    transition: transform .2s;
    display: flex;
    flex-direction: column;
    max-height: 80vh;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-align: center;
    color: #333;
}

.search-box {
    margin-bottom: 10px;
}

.search-input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #d9d9d9;
    font-size: 1rem;
    outline: 0;
    box-sizing: border-box;
    transition: border-color .2s;
}

.search-input:focus {
    border-color: var(--primary-color);
}

.city-list {
    flex: 1;
    overflow-y: auto;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    margin-bottom: 15px;
    background: #fafafa;
}

.city-item {
    padding: 10px 15px;
    border-bottom: 1px solid #eee;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background .2s;
}

.city-item:last-child {
    border-bottom: none;
}

.city-item:hover {
    background: #e6f7ff;
}

.city-item.selected {
    background: #e6f7ff;
    color: var(--primary-color);
    font-weight: 600;
}

.city-item-name {
    font-size: .95rem;
}

.city-item-flag {
    margin-right: 8px;
    font-size: 1.2rem;
}

.btn-group {
    display: flex;
    gap: 15px;
    margin-top: auto;
}

.btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

.btn-cancel {
    background: #f5f5f5;
    color: #666;
}

.btn-confirm {
    background: var(--primary-color);
    color: #fff;
}

.btn-confirm:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.float-btn-group {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 101;
}

.float-btn {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    color: var(--primary-color);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow);
    transition: transform .2s, box-shadow .2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    cursor: pointer;
    box-sizing: border-box;
    font-family: inherit;
    line-height: 1.2;
    margin: 0;
    -webkit-appearance: none;
    white-space: nowrap;
}

.float-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    background: #fff;
}

.float-btn:active {
    transform: translateY(0);
}

.doubao-icon {
    font-size: 1rem;
}

@media (max-width: 600px) {
    .main-card .time {
        font-size: 3rem;
    }

    .grid-container {
        grid-template-columns: 1fr;
    }

    .delete-btn {
        opacity: 1;
        background: #f5f5f5;
    }

    .time-machine {
        /* 取消了强制 90%，现在跟 main-card 保持绝对一致 */
        width: 100%;
        flex-wrap: wrap;
        border-radius: 16px;
    }

    .float-btn-group {
        position: relative;
        top: auto;
        right: auto;
        flex-direction: row;
        justify-content: center;
        margin-bottom: 20px;
        flex-wrap: wrap;
        gap: 12px;
        padding: 0 10px;
    }

    .float-btn {
        margin-left: 0;
        width: auto;
        flex: 1 1 40%;
        padding: 12px 5px;
    }
}

/* --- 新增：主页全局搜索框样式 --- */
.global-search-wrapper {
    /* 统一宽度：与 main-card 对齐 */
    width: 100%;
    max-width: 600px;
    box-sizing: border-box;
    margin: 0 auto 30px auto;
    position: relative;
    z-index: 105;
}

.global-search-wrapper input {
    width: 100%;
    padding: 16px 20px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-size: 0.95rem;
    color: #2c3e50;
    box-shadow: var(--shadow);
    outline: none;
    transition: all 0.3s;
    box-sizing: border-box;
}

/* 灰色文字占位符 */
.global-search-wrapper input::placeholder {
    color: #95a5a6;
    font-size: 0.9rem;
}

.global-search-wrapper input:focus {
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 6px 20px rgba(24, 144, 255, 0.15);
}

/* 搜索结果下拉菜单 */
.search-results-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 8px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    max-height: 350px;
    overflow-y: auto;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.search-result-item {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.2s;
}

.search-result-item:hover {
    background: rgba(24, 144, 255, 0.08);
}

.search-result-item .city-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-result-item .flag {
    font-size: 1.5rem;
}

.search-result-item .name {
    font-weight: 600;
    color: #2c3e50;
}

.search-result-item .status {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* 如果该城市已经被添加过的样式 */
.search-result-item.already-added {
    opacity: 0.5;
    cursor: not-allowed;
}
.search-result-item.already-added .status {
    color: #999;
}
.search-result-item.already-added:hover {
    background: transparent;
}