/* ==========================================================================
   Next_md 分支：Material Design 3 风格主页样式
   配色遵循 MD3 默认主题（紫色系），组件含 elevation 阴影 / 圆角 / 状态层
   ========================================================================== */

:root {
    /* MD3 色彩令牌 */
    --md-primary: #6750A4;
    --md-on-primary: #FFFFFF;
    --md-primary-container: #EADDFF;
    --md-on-primary-container: #21005D;
    --md-secondary-container: #E8DEF8;
    --md-on-secondary-container: #1D192B;
    --md-surface: #FEF7FF;
    --md-surface-dim: #DED8E1;
    --md-surface-variant: #E7E0EC;
    --md-on-surface: #1D1B20;
    --md-on-surface-variant: #49454F;
    --md-outline: #79747E;

    /* MD3 elevation 阴影 */
    --md-shadow-1: 0 1px 2px rgba(0, 0, 0, .30), 0 1px 3px 1px rgba(0, 0, 0, .15);
    --md-shadow-2: 0 1px 2px rgba(0, 0, 0, .30), 0 2px 6px 2px rgba(0, 0, 0, .15);
    --md-shadow-3: 0 4px 8px 3px rgba(0, 0, 0, .15), 0 1px 3px rgba(0, 0, 0, .30);

    --radius-card: 28px;
    --radius-fab: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html,
body {
    min-height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--md-on-surface);
    background: linear-gradient(160deg, #F6F2FB 0%, #E8DEF8 55%, #DCD2F2 100%) fixed;
    -webkit-font-smoothing: antialiased;
}

/* ---------- 页面布局 ---------- */
.page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
}

/* ---------- 主卡片 ---------- */
.hero {
    position: relative;
    width: 100%;
    max-width: 520px;
    background: var(--md-surface);
    border-radius: var(--radius-card);
    box-shadow: var(--md-shadow-3);
    padding: 48px 40px 28px;
    text-align: center;
    overflow: hidden;
}

/* 卡片顶部装饰条（MD3 大圆角下的小点缀） */
.hero::before {
    content: "";
    position: absolute;
    top: -72px;
    left: 50%;
    transform: translateX(-50%);
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(234, 221, 255, .9) 0%, rgba(234, 221, 255, 0) 70%);
    pointer-events: none;
}

/* ---------- 头像 ---------- */
.hero-avatar {
    position: relative;
    width: 128px;
    height: 128px;
    margin: 0 auto 24px;
    border-radius: 50%;
    padding: 4px;
    background: var(--md-primary-container);
    box-shadow: var(--md-shadow-2);
}

.hero-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    border: 3px solid var(--md-surface);
}

/* ---------- 标题与介绍 ---------- */
.hero-title {
    font-size: 30px;
    font-weight: 600;
    letter-spacing: .2px;
    color: var(--md-on-surface);
    margin-bottom: 8px;
}

.hero-subtitle {
    font-size: 15px;
    line-height: 1.6;
    color: var(--md-on-surface-variant);
    margin-bottom: 16px;
}

.hero-hitokoto {
    font-size: 14px;
    line-height: 1.6;
    color: var(--md-primary);
    font-style: italic;
    background: var(--md-primary-container);
    border-radius: 999px;
    padding: 10px 20px;
    margin: 0 auto 28px;
    max-width: 90%;
}

/* ---------- 导航按钮（MD3 Filled Tonal 药丸按钮） ---------- */
.nav-grid {
    display: grid;
    /* minmax(0,1fr) 防止按钮内容把列撑宽、挤压相邻按钮 */
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 32px;
}

.md-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 8px;
    border-radius: 999px;
    background: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .1px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    user-select: none;
    transition: background-color .2s ease, box-shadow .2s ease, transform .1s ease;
}

/* 状态层：hover 变暗、active 更深（MD 状态层语义） */
.md-btn:hover {
    background: #DDD3F0;
    box-shadow: var(--md-shadow-2);
}

.md-btn:active {
    background: #D0C4EC;
    transform: scale(.97);
    box-shadow: var(--md-shadow-1);
}

.md-btn .material-icons {
    font-size: 18px;
}

/* ---------- 社交图标（圆形 tonal 按钮） ---------- */
.social-row {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 28px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--md-surface-variant);
    color: var(--md-on-surface-variant);
    font-size: 20px;
    text-decoration: none;
    transition: background-color .2s ease, box-shadow .2s ease, transform .1s ease;
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    display: block;
}

.social-link .material-icons {
    font-size: 22px;
    line-height: 1;
}

.social-link:hover {
    background: #D8D2DE;
    box-shadow: var(--md-shadow-2);
}

.social-link:active {
    transform: scale(.92);
}

/* ---------- 页脚 ---------- */
.hero-footer {
    border-top: 1px solid var(--md-outline);
    padding-top: 16px;
}

.hero-footer a {
    font-size: 12px;
    color: var(--md-on-surface-variant);
    text-decoration: none;
}

.hero-footer a:hover {
    color: var(--md-primary);
}

/* ---------- 音乐 FAB（浮动操作按钮） ---------- */
.fab {
    position: fixed;
    right: 24px;
    bottom: calc(24px + env(safe-area-inset-bottom));
    width: 56px;
    height: 56px;
    border-radius: var(--radius-fab);
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
    box-shadow: var(--md-shadow-3);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: box-shadow .2s ease, transform .1s ease;
}

.fab:hover {
    box-shadow: 0 6px 12px 4px rgba(0, 0, 0, .18), 0 2px 4px rgba(0, 0, 0, .30);
}

.fab:active {
    transform: scale(.9);
}

.fab svg {
    fill: currentColor;
}

/* ---------- 音乐播放器悬浮弹窗 ---------- */
.player-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(29, 27, 32, .45);
    padding: 20px;
}

.player-modal[hidden] {
    display: none;
}

.player-modal-card {
    width: 100%;
    max-width: 440px;
    background: var(--md-surface);
    border-radius: 24px;
    box-shadow: var(--md-shadow-3);
    padding: 20px 20px 24px;
    animation: modal-pop .22s ease;
}

@keyframes modal-pop {
    from {
        transform: scale(.92) translateY(10px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.player-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.player-modal-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--md-on-surface);
}

.player-modal-close {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--md-on-surface-variant);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color .2s ease;
}

.player-modal-close:hover {
    background: var(--md-surface-variant);
}

.player-modal-error {
    margin-top: 12px;
    font-size: 13px;
    color: #B3261E;
    text-align: center;
}

.player-modal-playlist {
    margin-top: 12px;
    font-size: 13px;
    text-align: center;
}

.player-modal-playlist a {
    color: var(--md-primary);
    text-decoration: none;
    font-weight: 500;
}

.player-modal-playlist a:hover {
    text-decoration: underline;
}

/* 弹窗内播放器圆角 */
#aplayer-inner .aplayer {
    border-radius: 12px !important;
}

/* ---------- 移动端适配 ---------- */
@media (max-width: 767px) {
    .page {
        padding: 20px 14px;
    }

    .hero {
        padding: 36px 22px 22px;
        border-radius: 24px;
    }

    .hero-avatar {
        width: 104px;
        height: 104px;
    }

    .hero-title {
        font-size: 26px;
    }

    .nav-grid {
        gap: 10px;
    }

    .md-btn {
        font-size: 13px;
        padding: 11px 6px;
    }

    .fab {
        right: 18px;
        width: 52px;
        height: 52px;
    }

    .player-modal {
        padding: 14px;
    }

    .player-modal-card {
        padding: 16px 16px 20px;
        border-radius: 20px;
    }
}

@media (max-width: 400px) {
    .hero {
        padding: 28px 16px 18px;
    }

    .hero-avatar {
        width: 92px;
        height: 92px;
    }

    .md-btn {
        font-size: 12px;
    }
}