:root {
    --bg-url: 'https://elaina.haokun.me';
    --ui-scale: 1;
}

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'ZCOOL KuaiLe', cursive, 'Microsoft YaHei', sans-serif;
    background-color: #111;
    color: #fff;
    user-select: none;
    -webkit-user-select: none;
}

#magic-flash {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(200, 200, 255, 0.4) 0%, rgba(0, 0, 0, 0) 80%);
    opacity: 0;
    pointer-events: none;
    z-index: 5;
    transition: opacity 0.5s ease-out;
    box-shadow: inset 0 0 100px rgba(255, 255, 255, 0.1);
}

.bg-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: opacity 1.5s ease-in-out;
    z-index: 0;
}

#bg1 { opacity: 1; }
#bg2 { opacity: 0; }

#particle-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    top: -10%;
    animation: fall linear forwards;
}

.sakura {
    background-color: #ffb7c5;
    border-radius: 100% 0 100% 0;
    box-shadow: 0 0 5px rgba(255, 183, 197, 0.5);
}

.rain {
    width: 2px !important;
    height: 25px !important;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 0;
    box-shadow: 0 0 2px rgba(255, 255, 255, 0.5);
}

.snow {
    width: 6px !important;
    height: 6px !important;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.8);
}

@keyframes fall {
    to { transform: translateY(110vh) rotate(720deg); }
}

.particle-windy {
    animation: blowAway linear forwards !important;
}

@keyframes blowAway {
    to { transform: translate(100vw, 100vh) rotate(1000deg); }
}

.widget {
    position: absolute;
    z-index: 10;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(7px);
    -webkit-backdrop-filter: blur(7px);
    border-radius: 20px;
    padding: 12px 18px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
    transition: transform 0.1s ease-out;
}

.top-left {
    top: 15px;
    left: 15px;
    max-width: 60vw;
    transform-origin: top left;
    transform: scale(var(--ui-scale));
}

#time {
    font-size: 3.2rem;
    line-height: 1;
    letter-spacing: 2px;
    margin-bottom: 5px;
    cursor: pointer;
    transition: color 0.2s;
    display: block;
}

#time:active { color: #ffeb3b; }

.date-info {
    font-size: 0.9rem;
    opacity: 0.9;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

#lunar-date {
    color: #a1c4fd;
    margin-left: 8px;
    font-size: 0.8rem;
}

#holiday-tag {
    color: #ff9a9e;
    display: block;
    margin-top: 4px;
    font-size: 0.8rem;
    font-weight: bold;
}

.weather-module {
    cursor: pointer;
    transition: opacity 0.2s;
    font-size: 0.85rem;
    line-height: 1.4;
    opacity: 0.9;
}

.weather-module:active { opacity: 0.6; }

#weather-main {
    color: #81ecec;
    font-size: 0.95rem;
    display: block;
}

#weather-details {
    color: #c8d6e5;
    display: block;
}

#weather-advice {
    color: #fdf6e3;
    display: block;
    margin-top: 2px;
    font-style: italic;
}

.top-right {
    top: 15px;
    right: 15px;
    text-align: right;
    color: #ffeb3b;
    transform-origin: top right;
    transform: scale(var(--ui-scale));
}

#battery {
    font-size: 1.1rem;
    margin-bottom: 5px;
    display: block;
}

#weekend-countdown {
    font-size: 0.85rem;
    opacity: 0.85;
}

.bottom-left {
    bottom: 15px;
    left: 15px;
    max-width: 50vw;
    cursor: pointer;
    transform-origin: bottom left;
    transform: scale(var(--ui-scale));
}

.bottom-left:active {
    transform: scale(calc(var(--ui-scale) * 0.95));
    background: rgba(255, 255, 255, 0.1);
}

#hitokoto-text {
    font-size: 0.9rem;
    line-height: 1.4;
    display: block;
}

#hitokoto-author {
    display: block;
    margin-top: 5px;
    font-size: 0.75rem;
    color: #c8d6e5;
    text-align: right;
}

.bottom-right {
    bottom: 15px;
    right: 15px;
    width: fit-content; /* 宽度由内容决定 */
    min-width: 160px;
    max-width: 80vw; /* 防止极端情况下超出屏幕 */
    transform-origin: bottom right;
    transform: scale(var(--ui-scale));
}

.danmaku-container {
    position: absolute;
    right: 15px;
    /* 寻找平衡点：Top 80px, Bottom 115px */
    top: calc(15px + 80px * var(--ui-scale));
    bottom: calc(15px + 115px * var(--ui-scale));
    width: calc(160px * var(--ui-scale));
    padding: 0;
    overflow: hidden;
    /* 移除背景卡片视觉效果 */
    background: none;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    z-index: 9;
    transform: none;
    display: block;
}

#danmaku-iframe {
    /* 动态计算内部缩放：确保在 1.5 全局缩放时等于 0.7 (0.466 * 1.5 ≈ 0.7) */
    --internal-scale: calc(0.466 * var(--ui-scale));
    width: calc(100% / var(--internal-scale)); 
    height: calc(100% / var(--internal-scale));
    transform: scale(var(--internal-scale));
    transform-origin: top left;
    border: none;
    display: block;
    opacity: 0.7;
}

.course-side-layout {
    display: flex;
    align-items: stretch;
    gap: 6px; /* 压缩侧边间距 */
    width: fit-content;
}

.course-content-stack {
    display: flex;
    flex-direction: column;
    justify-content: center; /* 内容垂直居中 */
    flex: 1;
    min-width: 0;
}

.course-group-label {
    writing-mode: vertical-lr;
    text-orientation: upright;
    font-size: 0.85rem; /* 放大字号 */
    color: #a1c4fd;
    text-align: center;
    font-weight: bold;
    letter-spacing: 1px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    justify-content: center;
    width: auto;
    line-height: 1;
    padding: 0;
    flex-shrink: 0;
}

.course-main-divider {
    width: 0;
    border-left: 1px dashed rgba(255, 255, 255, 0.12);
    margin: 1px 0; /* 压缩分割线边距 */
    flex-shrink: 0;
}

.course-parallel-container {
    display: flex;
    align-items: flex-start;
    gap: 8px; /* 压缩并列间距 */
}

.course-item {
    flex: 0 0 auto;
    min-width: 0;
    text-align: left;
}

.course-v-divider {
    width: 1px;
    background: rgba(255, 255, 255, 0.1);
    align-self: stretch;
    flex-shrink: 0;
}

.course-name-row {
    font-size: 0.9rem;
    color: #ffeb3b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: bold;
    display: block;
    line-height: 1; /* 极窄行高 */
    margin-bottom: 2px;
}

.course-time-row {
    font-size: 0.65rem;
    color: #fff;
    opacity: 0.8;
    display: block;
    margin-bottom: 0px; /* 移除间距 */
    font-family: inherit;
    line-height: 1.1;
}

.course-loc-row {
    font-size: 0.65rem;
    color: #a1c4fd;
    opacity: 0.75;
    display: block;
    white-space: normal;
    word-break: break-all;
    line-height: 1.1;
}

/* 翘课状态样式 */
.course-item.skipped .course-name-row {
    text-decoration: line-through;
    color: #ffeb3b !important;
    opacity: 1;
}

.course-item.skipped .course-time-row,
.course-item.skipped .course-loc-row {
    opacity: 0.8;
}

.divider {
    border: none;
    border-top: 1px dashed rgba(255, 255, 255, 0.2);
    margin: 8px 0;
}

.progress-label {
    font-size: 0.75rem;
    margin-bottom: 5px;
    display: flex;
    justify-content: space-between;
}

.progress-bar {
    width: 100%;
    height: 5px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #a1c4fd 0%, #c2e9fb 100%);
    width: 0%;
    transition: width 1s ease;
    box-shadow: 0 0 8px rgba(161, 196, 253, 0.6);
}

/* ====== 弹出面板通用样式 ====== */
.modal-panel {
    display: none;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
    text-align: center;
    width: 85vw;
    max-width: 340px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    padding: 25px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: absolute;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.modal-panel h3 {
    margin: 0 0 15px 0;
    font-size: 1.1rem;
    color: #81ecec;
}

.close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: white;
    padding: 6px 20px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 15px;
}

.close-btn:active { background: rgba(255, 255, 255, 0.4); }

/* 缩放面板特有 */
#settings-panel p {
    font-size: 0.9rem;
    margin-bottom: 15px;
    color: #c8d6e5;
}

input[type=range] {
    width: 100%;
    margin-bottom: 20px;
    accent-color: #a1c4fd;
}

/* 定位面板特有 */
.loc-input-group {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
}

#loc-input {
    flex: 1;
    padding: 8px;
    border-radius: 8px;
    border: none;
    outline: none;
    background: rgba(255, 255, 255, 0.9);
    font-family: inherit;
}

#loc-search-btn {
    padding: 8px 15px;
    border-radius: 8px;
    border: none;
    background: #a1c4fd;
    color: #000;
    font-family: inherit;
    cursor: pointer;
    font-weight: bold;
}

#loc-results {
    max-height: 160px;
    overflow-y: auto;
    text-align: left;
}

.loc-item {
    padding: 10px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    font-size: 0.85rem;
    color: #c8d6e5;
}

.loc-item:active { background: rgba(255, 255, 255, 0.2); }

.loc-item-sub {
    display: block;
    font-size: 0.7rem;
    color: #888;
    margin-top: 2px;
}

@media (max-width: 600px) {
    .widget {
        padding: 10px 14px;
        border-radius: 12px;
    }
    #time { font-size: 2.2rem; }
}