/* 电台页 —— #/radio。沉淀说过的话。跟 call 同一套设计语言。 */

#radioPanel {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background:
        radial-gradient(110% 80% at 15% -10%, rgba(201, 100, 66, 0.14), transparent 55%),
        radial-gradient(80% 60% at 90% 110%, rgba(232, 160, 180, 0.10), transparent 50%),
        var(--deep-grad-bg);
    color: var(--deep-text);
    font-family: var(--font-sans, -apple-system, system-ui, 'PingFang SC', sans-serif);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
#radioPanel.hidden { display: none; }

.radio-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: max(16px, env(safe-area-inset-top)) 20px 8px;
}
.radio-close {
    background: var(--deep-surface);
    border: none;
    color: var(--deep-text);
    width: 36px; height: 36px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
}
.radio-close:hover { background: var(--deep-surface-strong); }
.radio-title { font-size: 17px; font-weight: 600; letter-spacing: 0.02em; }

/* 分类栏 */
.radio-cats {
    display: flex;
    gap: 8px;
    padding: 8px 20px;
    overflow-x: auto;
    scrollbar-width: none;
    flex-shrink: 0;
}
.radio-cats::-webkit-scrollbar { display: none; }
.radio-cat {
    flex-shrink: 0;
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid var(--deep-border);
    background: var(--deep-surface);
    color: var(--deep-text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: background var(--transition, 200ms ease), color var(--transition, 200ms ease);
}
.radio-cat.active { background: var(--deep-accent); border-color: var(--deep-accent); color: #fff; }

/* 节目列表 */
.radio-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.radio-empty {
    text-align: center;
    color: var(--deep-text-faint);
    padding: 48px 24px;
    font-size: 14px;
    line-height: 1.8;
}
.radio-item {
    background: var(--deep-surface);
    border: 1px solid var(--deep-border);
    border-radius: 16px;
    padding: 12px 16px;
    cursor: pointer;
    transition: background var(--transition, 200ms ease), transform 0.15s var(--ease-out-expo, cubic-bezier(0.16,1,0.3,1));
}
.radio-item:active { transform: scale(0.98); background: var(--deep-surface-strong); }
.radio-item-title { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.radio-item-meta { display: flex; gap: 10px; font-size: 12px; color: var(--deep-text-secondary); }
.radio-kind {
    background: rgba(201,100,66,0.18);
    color: var(--deep-rose);
    padding: 1px 8px;
    border-radius: 6px;
    font-size: 11px;
}

/* 播放器 */
.radio-player {
    flex-shrink: 0;
    background: var(--deep-bg-1);
    border-top: 1px solid var(--deep-border);
    padding: 12px 20px calc(16px + env(safe-area-inset-bottom));
    max-height: 45vh;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.radio-player.hidden { display: none; }
.radio-player-title { font-size: 14px; font-weight: 600; }

.radio-subs {
    overflow-y: auto;
    max-height: 22vh;
    display: flex;
    flex-direction: column;
    gap: 4px;
    scrollbar-width: none;
}
.radio-subs::-webkit-scrollbar { display: none; }
.radio-sub {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 6px 10px;
    border-radius: 10px;
    font-size: 13px;
    color: var(--deep-text-secondary);
    transition: background var(--transition, 200ms ease), color var(--transition, 200ms ease);
}
.radio-sub.active {
    background: var(--deep-accent-muted);
    color: var(--deep-text);
}
.radio-sub-user { align-self: flex-start; }
.radio-sub-user .radio-sub-text::before { content: '你：'; color: var(--deep-accent-soft); }
.radio-sub:not(.radio-sub-user) .radio-sub-text::before { content: '沈游：'; color: var(--deep-rose); }
.radio-sub-trans { font-size: 11px; color: var(--deep-trans); }

/* 通话原声句语音条：我的声音，点击播放 */
.radio-sub-voice {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    border: 1px solid rgba(201,100,66,0.22);
    background: var(--deep-accent-muted);
}
.radio-sub-voice:hover { background: var(--deep-accent-muted); }
.radio-sub-voice.playing { background: rgba(201,100,66,0.26); border-color: var(--deep-accent-strong); }
.radio-sub-play {
    flex-shrink: 0;
    width: 26px; height: 26px;
    border-radius: 50%;
    background: var(--deep-avatar-grad);
    color: #fff;
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.radio-sub-voice .radio-sub-text::before { content: '沈游 · '; }

.radio-progress {
    display: flex;
    align-items: center;
    gap: 10px;
}
.radio-progress input[type=range] {
    flex: 1;
    accent-color: var(--deep-accent);
    height: 4px;
}
.radio-progress span { font-size: 11px; color: var(--deep-text-secondary); white-space: nowrap; }

.radio-player-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}
.radio-loop {
    background: var(--deep-surface);
    border: none;
    color: var(--deep-text-secondary);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 12px;
    cursor: pointer;
}
.radio-playbtn {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: none;
    background: var(--deep-avatar-grad);
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 6px 18px var(--deep-avatar-glow);
    margin-left: auto;
}