/* ============================================
   声音地球 - 暗色沉浸式主题
   参考 ear-th.site 设计风格
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(255, 255, 255, 0.06);
    --bg-glass: rgba(17, 24, 39, 0.85);
    --text-primary: #f0f0f0;
    --text-secondary: #9ca3af;
    --accent: #00e5ff;
    --accent-hover: #00b8d4;
    --accent-glow: rgba(0, 229, 255, 0.3);
    --orange: #ff9800;
    --green: #4caf50;
    --red: #f44336;
    --border: rgba(255, 255, 255, 0.08);
    --radius: 12px;
    --radius-sm: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}
a:hover { color: var(--accent-hover); }

/* ===================== 顶部导航 ===================== */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 16px 24px;
    background: linear-gradient(180deg, rgba(10,14,26,0.95) 0%, transparent 100%);
    pointer-events: none;
}
.top-bar > * { pointer-events: auto; }

.brand {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.brand h1 {
    font-size: 26px;
    font-weight: 700;
    color: var(--accent);
    text-shadow: 0 0 20px var(--accent-glow);
    letter-spacing: 2px;
}
.brand .live-info {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}
.brand .live-dot {
    width: 6px;
    height: 6px;
    background: var(--green);
    border-radius: 50%;
    animation: livePulse 2s infinite;
}
@keyframes livePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.top-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}
.top-nav a {
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: all 0.2s;
}
.top-nav a:hover {
    background: rgba(0, 229, 255, 0.15);
    border-color: var(--accent);
    color: var(--accent);
}
.top-nav a.btn-accent {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
    font-weight: 600;
}
.top-nav a.btn-accent:hover {
    background: var(--accent-hover);
    color: var(--bg-primary);
}
.top-nav .user-name {
    color: var(--text-secondary);
    font-size: 13px;
    padding: 8px 12px;
}

/* ===================== 媒体类型切换 ===================== */
.media-tabs {
    position: fixed;
    top: 80px;
    left: 24px;
    z-index: 999;
    display: flex;
    gap: 8px;
}
.media-tab {
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-secondary);
    background: var(--bg-glass);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s;
}
.media-tab:hover, .media-tab.active {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(0, 229, 255, 0.1);
}

/* ===================== 搜索面板 ===================== */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    background: rgba(0,0,0,0.7);
    display: none;
    justify-content: center;
    padding-top: 120px;
}
.search-overlay.show { display: flex; }

.search-panel {
    width: 600px;
    max-width: 90%;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
}
.search-input-wrap {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.search-input-wrap input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
}
.search-input-wrap input::placeholder { color: var(--text-secondary); }
.search-input-wrap .search-icon { color: var(--text-secondary); font-size: 18px; }

.search-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
}
.search-filter-tag {
    padding: 5px 14px;
    border-radius: 14px;
    font-size: 13px;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s;
}
.search-filter-tag:hover, .search-filter-tag.active {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(0, 229, 255, 0.1);
}

.search-results {
    overflow-y: auto;
    padding: 8px 0;
    flex: 1;
}
.search-result-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    cursor: pointer;
    transition: background 0.15s;
}
.search-result-item:hover { background: var(--bg-card); }
.search-result-item .sr-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 14px;
    font-size: 18px;
    flex-shrink: 0;
}
.search-result-item .sr-info { flex: 1; }
.search-result-item .sr-title { font-size: 14px; color: var(--text-primary); }
.search-result-item .sr-meta { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.search-result-item .sr-play {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.2s;
}
.search-result-item:hover .sr-play { opacity: 1; }

/* ===================== 地球容器 ===================== */
.earth-container {
    width: 100vw;
    height: 100vh;
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse at 50% 50%, #0d1b3e 0%, #060a15 60%, #020408 100%);
}
.earth-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--accent);
}
.earth-placeholder .globe-icon {
    font-size: 140px;
    animation: globeRotate 30s linear infinite;
    filter: drop-shadow(0 0 40px var(--accent-glow));
}
@keyframes globeRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.earth-placeholder p {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-secondary);
}

.audio-points {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
}
.audio-point {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    pointer-events: auto;
    animation: pointPulse 2.5s ease-in-out infinite;
    box-shadow: 0 0 8px var(--accent-glow);
    transition: transform 0.2s;
}
.audio-point:hover {
    transform: scale(2);
    box-shadow: 0 0 20px var(--accent);
}
.audio-point.hot {
    background: var(--orange);
    box-shadow: 0 0 8px rgba(255, 152, 0, 0.4);
}
@keyframes pointPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.6; }
}

/* ===================== 底部播放器 ===================== */
.bottom-player {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    max-width: 90%;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid var(--border);
    padding: 16px 24px;
    z-index: 1000;
    display: none;
}
.bottom-player.show { display: block; }
.bp-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.bp-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 60%;
}
.bp-meta {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}
.bp-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}
.bp-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s;
}
.bp-btn:hover { border-color: var(--accent); color: var(--accent); }
.bp-btn.play-btn {
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
    font-size: 20px;
}
.bp-btn.play-btn:hover { background: var(--accent-hover); }
.bp-progress {
    width: 100%;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin-top: 8px;
    overflow: hidden;
}
.bp-progress-bar {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    width: 0%;
    transition: width 0.3s;
}

/* ===================== 探索/列表页 ===================== */
.explore-page {
    min-height: 100vh;
    padding: 100px 24px 120px;
}
.explore-header {
    max-width: 1200px;
    margin: 0 auto 30px;
}
.explore-header h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
}
.explore-search {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}
.explore-search input {
    flex: 1;
    padding: 12px 20px;
    border-radius: 24px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
}
.explore-search input:focus { border-color: var(--accent); }
.explore-search button {
    padding: 12px 28px;
    border-radius: 24px;
    border: none;
    background: var(--accent);
    color: var(--bg-primary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.explore-search button:hover { background: var(--accent-hover); }

.explore-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}
.filter-chip {
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s;
}
.filter-chip:hover, .filter-chip.active {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(0, 229, 255, 0.1);
}

.audio-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}
.audio-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: all 0.25s;
    cursor: pointer;
}
.audio-card:hover {
    border-color: var(--accent);
    background: rgba(0, 229, 255, 0.05);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.1);
}
.audio-card .ac-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.audio-card .ac-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}
.audio-card .ac-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.audio-card .ac-location {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}
.audio-card audio {
    width: 100%;
    height: 36px;
    border-radius: 18px;
    margin-top: 8px;
}
.audio-card .ac-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    font-size: 12px;
    color: var(--text-secondary);
}
.audio-card .ac-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.audio-card .ac-tag {
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 11px;
    background: rgba(0, 229, 255, 0.1);
    color: var(--accent);
    border: 1px solid rgba(0, 229, 255, 0.2);
}

/* ===================== 通用表单（登录/注册/上传） ===================== */
.form-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background: radial-gradient(ellipse at 50% 30%, #0d1b3e 0%, #060a15 100%);
}
.form-box {
    width: 420px;
    max-width: 100%;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid var(--border);
    padding: 40px;
}
.form-box h2 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--text-primary);
}
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-secondary);
    font-size: 13px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}
.form-group textarea {
    height: 80px;
    resize: vertical;
}
.btn-primary {
    width: 100%;
    padding: 14px;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--accent);
    color: var(--bg-primary);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 8px;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled {
    background: #555;
    cursor: not-allowed;
}
.form-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}
.form-footer a { color: var(--accent); }
.error-msg {
    background: rgba(244, 67, 54, 0.1);
    color: var(--red);
    padding: 10px;
    border-radius: var(--radius-sm);
    margin-bottom: 15px;
    text-align: center;
    font-size: 14px;
    display: none;
}
.success-msg {
    background: rgba(76, 175, 80, 0.1);
    color: var(--green);
    padding: 10px;
    border-radius: var(--radius-sm);
    margin-bottom: 15px;
    text-align: center;
    font-size: 14px;
    display: none;
}

/* ===================== 音频详情页 ===================== */
.detail-page {
    min-height: 100vh;
    padding: 100px 24px 120px;
}
.detail-container {
    max-width: 800px;
    margin: 0 auto;
}
.detail-player {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid var(--border);
    padding: 30px;
    margin-bottom: 30px;
}
.detail-player h1 {
    font-size: 24px;
    margin-bottom: 12px;
}
.detail-meta {
    display: flex;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.detail-player audio {
    width: 100%;
    margin: 15px 0;
}
.detail-desc {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}
.detail-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}
.action-btn {
    padding: 8px 20px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}
.action-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.action-btn.active {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.comments-section {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
}
.comments-section h3 {
    margin-bottom: 20px;
    font-size: 18px;
}
.comment-form textarea {
    width: 100%;
    padding: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    height: 80px;
    resize: vertical;
    font-size: 14px;
    outline: none;
    margin-bottom: 10px;
}
.comment-form textarea:focus { border-color: var(--accent); }
.comment-form button {
    padding: 8px 24px;
    border-radius: 20px;
    border: none;
    background: var(--accent);
    color: var(--bg-primary);
    font-size: 14px;
    cursor: pointer;
}
.comment-item {
    padding: 15px 0;
    border-bottom: 1px solid var(--border);
}
.comment-item:last-child { border-bottom: none; }
.comment-user {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}
.comment-time {
    color: var(--text-secondary);
    font-size: 12px;
    margin-left: 10px;
}
.comment-text {
    color: var(--text-secondary);
    margin-top: 6px;
    font-size: 14px;
}

/* ===================== 用户中心 ===================== */
.user-page {
    min-height: 100vh;
    padding: 100px 24px 120px;
}
.user-container {
    max-width: 900px;
    margin: 0 auto;
}
.user-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}
.user-header-bar h2 { font-size: 24px; }
.btn-upload {
    padding: 10px 24px;
    border-radius: 24px;
    background: var(--accent);
    color: var(--bg-primary);
    font-weight: 600;
    font-size: 14px;
    transition: background 0.2s;
}
.btn-upload:hover { background: var(--accent-hover); color: var(--bg-primary); }

.user-table {
    width: 100%;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
}
.user-table table {
    width: 100%;
    border-collapse: collapse;
}
.user-table th, .user-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.user-table th {
    background: rgba(0,0,0,0.2);
    color: var(--text-secondary);
    font-weight: 500;
}
.user-table td { color: var(--text-primary); }
.user-table a { color: var(--accent); }
.status-badge {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 12px;
    font-size: 12px;
}
.status-0 { background: rgba(255, 152, 0, 0.15); color: var(--orange); }
.status-1 { background: rgba(76, 175, 80, 0.15); color: var(--green); }
.status-2 { background: rgba(244, 67, 54, 0.15); color: var(--red); }

/* ===================== 上传页 ===================== */
.upload-page {
    min-height: 100vh;
    padding: 100px 24px 120px;
}
.upload-container {
    max-width: 600px;
    margin: 0 auto;
}
.upload-box {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid var(--border);
    padding: 36px;
}
.upload-box h2 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 30px;
}
.form-row {
    display: flex;
    gap: 15px;
}
.form-row .form-group { flex: 1; }
.tip {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}
.form-group input[type="file"] {
    padding: 14px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    background: rgba(0,0,0,0.2);
    cursor: pointer;
}

/* ===================== 分页 ===================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
}
.pagination a, .pagination span {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.2s;
}
.pagination a:hover, .pagination .active {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 229, 255, 0.1);
}

/* ===================== 空状态 ===================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state a { color: var(--accent); }

/* ===================== 响应式 ===================== */
@media (max-width: 768px) {
    .top-bar { padding: 12px 16px; }
    .brand h1 { font-size: 20px; }
    .top-nav { gap: 6px; }
    .top-nav a { padding: 6px 12px; font-size: 12px; }
    .media-tabs { top: 70px; left: 16px; }
    .bottom-player { width: 95%; padding: 12px 16px; }
    .audio-grid { grid-template-columns: 1fr; }
    .form-box { padding: 24px; }
    .form-row { flex-direction: column; gap: 0; }
}