:root {
    --bg: #0a0e17;
    --panel: #101726;
    --panel2: #0d1322;
    --border: #1e2a44;
    --text: #d7e1f0;
    --muted: #5b6b8c;
    --accent: #22d3ee;
    --accent-dim: rgba(34, 211, 238, .12);
    --green: #34d399;
    --red: #f87171;
    --yellow: #fbbf24;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: "Microsoft YaHei", system-ui, sans-serif;
    min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
svg { display: block; }

/* 顶部栏 */
.topbar {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 24px; border-bottom: 1px solid var(--border);
    background: var(--panel);
}
.topbar .logo {
    width: 26px; height: 26px; color: var(--accent);
}
.topbar h1 { font-size: 17px; letter-spacing: 3px; color: var(--accent); }
.topbar .tag {
    font-size: 11px; color: var(--muted); border: 1px solid var(--border);
    border-radius: 4px; padding: 2px 8px; letter-spacing: 1px;
}
.topbar .spacer { flex: 1; }

/* 布局 */
.wrap { display: flex; gap: 16px; padding: 16px 24px; max-width: 1400px; margin: 0 auto; }
.col { display: flex; flex-direction: column; gap: 16px; }
.panel {
    background: var(--panel); border: 1px solid var(--border);
    border-radius: 10px; overflow: hidden;
}
.panel-head {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 16px; border-bottom: 1px solid var(--border);
    font-size: 14px; letter-spacing: 2px; color: var(--text);
}
.panel-head svg { width: 16px; height: 16px; color: var(--accent); }
.panel-head .count { font-size: 11px; color: var(--muted); margin-left: auto; letter-spacing: 0; }
.panel-body { padding: 12px 16px; }

/* 按钮 */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--accent-dim); color: var(--accent);
    border: 1px solid rgba(34, 211, 238, .35); border-radius: 6px;
    padding: 7px 14px; font-size: 13px; cursor: pointer;
    transition: all .15s; white-space: nowrap;
}
.btn:hover { background: rgba(34, 211, 238, .25); }
.btn svg { width: 14px; height: 14px; }
.btn.danger { color: var(--red); border-color: rgba(248, 113, 113, .35); background: rgba(248, 113, 113, .1); }
.btn.danger:hover { background: rgba(248, 113, 113, .2); }
.btn.ghost { background: transparent; border-color: var(--border); color: var(--muted); }
.btn.ghost:hover { color: var(--text); border-color: var(--accent); }
.btn.icon { padding: 6px; }
.btn:disabled { opacity: .4; cursor: not-allowed; }

/* 输入 */
.input {
    background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
    color: var(--text); padding: 8px 12px; font-size: 13px; outline: none;
}
.input:focus { border-color: var(--accent); }

/* 列表行 */
.row {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
    margin-bottom: 8px; background: var(--panel2); transition: border-color .15s;
}
.row:hover { border-color: rgba(34, 211, 238, .4); }
.row .main { flex: 1; min-width: 0; }
.row .title {
    font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.row .meta { font-size: 11px; color: var(--muted); margin-top: 3px; }
.row .actions { display: flex; gap: 6px; }
.row.selected { border-color: var(--accent); background: var(--accent-dim); }

/* 状态点 */
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--red); flex-shrink: 0; }
.dot.on { background: var(--green); box-shadow: 0 0 8px var(--green); }

/* 空状态 */
.empty { padding: 32px; text-align: center; color: var(--muted); font-size: 13px; }

/* 控制条 */
.ctrl-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ctrl-bar .who { font-size: 12px; color: var(--muted); }
.ctrl-bar .who b { color: var(--accent); font-weight: normal; }

/* 小弹窗（带关闭按钮） */
.pop-mask {
    position: fixed; inset: 0; background: rgba(4, 8, 16, .6);
    display: none; align-items: center; justify-content: center; z-index: 100;
}
.pop-mask.show { display: flex; }
.pop {
    position: relative; width: 320px; max-width: 90vw;
    background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
    padding: 24px 20px 20px; box-shadow: 0 12px 40px rgba(0, 0, 0, .5);
}
.pop[data-type="ok"] { border-color: rgba(52, 211, 153, .5); }
.pop[data-type="err"] { border-color: rgba(248, 113, 113, .5); }
.pop-close {
    position: absolute; top: 8px; right: 8px; width: 26px; height: 26px;
    background: transparent; border: none; color: var(--muted); cursor: pointer;
    border-radius: 6px; display: flex; align-items: center; justify-content: center;
}
.pop-close:hover { color: var(--text); background: rgba(255, 255, 255, .06); }
.pop-close svg { width: 14px; height: 14px; }
.pop-msg { font-size: 14px; line-height: 1.8; word-break: break-all; white-space: pre-wrap; }
.pop-btns { display: flex; gap: 10px; margin-top: 18px; justify-content: flex-end; }

/* 表单弹窗输入 */
.pop .input { width: 100%; margin-top: 12px; }

/* 上传进度 */
.uploading { font-size: 12px; color: var(--yellow); }

/* B 页面 */
.player-wrap { max-width: 720px; margin: 0 auto; padding: 24px 16px; }
.now-card {
    border: 1px solid var(--border); border-radius: 12px;
    background: linear-gradient(135deg, #101726, #0d1b2e);
    padding: 28px 24px; text-align: center; margin-bottom: 20px;
}
.now-card .dev { font-size: 12px; color: var(--muted); letter-spacing: 2px; }
.now-card .dev b { color: var(--accent); font-weight: normal; }
.now-card .title { font-size: 22px; margin: 12px 0 6px; letter-spacing: 1px; }
.now-card .st { font-size: 12px; color: var(--muted); }
.now-card .st.playing { color: var(--green); }
.eq { display: inline-flex; gap: 3px; align-items: flex-end; height: 18px; margin-top: 14px; }
.eq i { width: 4px; background: var(--accent); border-radius: 2px; height: 30%; }
.eq.on i { animation: eq 1s ease-in-out infinite; }
.eq.on i:nth-child(2) { animation-delay: .2s; }
.eq.on i:nth-child(3) { animation-delay: .4s; }
.eq.on i:nth-child(4) { animation-delay: .1s; }
@keyframes eq { 50% { height: 100%; } }

/* 解锁遮罩 */
.unlock {
    position: fixed; inset: 0; background: rgba(4, 8, 16, .92);
    display: flex; align-items: center; justify-content: center; z-index: 200;
    flex-direction: column; gap: 18px; cursor: pointer;
}
.unlock .big {
    width: 84px; height: 84px; border-radius: 50%;
    border: 2px solid var(--accent); color: var(--accent);
    display: flex; align-items: center; justify-content: center;
    animation: pulse 1.6s ease-in-out infinite;
}
.unlock .big svg { width: 36px; height: 36px; }
.unlock p { color: var(--muted); font-size: 14px; letter-spacing: 2px; }
@keyframes pulse { 50% { box-shadow: 0 0 30px rgba(34, 211, 238, .5); } }

@media (max-width: 900px) {
    .wrap { flex-direction: column; }
}