/* ============================================================
   ai-radio · base.css — 半月电台 · 暖金磁带机 / espresso 暖黑
   player / studio 共用 · 琥珀金发光 · 黄铜五金 · 铜橘记号
   氛围：老式发光磁带机 — 温暖、柔软、有实体质感、想去摸
   ============================================================ */

:root {
  /* 画布 — 暖 espresso 深色 */
  --ink-0: #08120f;
  --ink-1: #0e1b16;
  --ink-2: #16241e;
  --ink-3: #1e2e25;

  /* 文字层级 — 暖米白 */
  --tx-hi: #e6ece8;
  --tx-mid: #93a69c;
  --tx-lo: #5a6b62;
  --tx-faint: #3e4a43;

  /* 主强调 — 琥珀金（发光） */
  --amber: #e0a46a;
  --amber-hi: #f0c89a;
  --amber-deep: #8a6a3e;
  --amber-glow: rgba(224, 164, 106, 0.35);
  --amber-dim: rgba(224, 164, 106, 0.1);

  /* 记号色 — 铜橘，极少量点缀（在播点 / REC / VU 红区） */
  --copper: #7fb894;
  --copper-hi: #9bcbac;
  --copper-glow: rgba(127, 184, 148, 0.42);

  /* 黄铜 — 螺丝 / 卷轴轮毂 / 五金 */
  --brass: #c9a25a;
  --brass-hi: #efd9a0;
  --brass-deep: #6e4e1f;

  --green: #a8bf6b;
  --red: #e06a4e;

  /* 线与面 — 暖 */
  --line: rgba(180, 210, 190, 0.15);
  --line-soft: rgba(180, 210, 190, 0.08);
  --panel-hi: rgba(22, 36, 30, 0.72);
  --panel-lo: rgba(10, 20, 16, 0.84);

  /* 圆角制度 — 全部柔和：小件 12 / 卡片 16 / 面板 22 */
  --r-s: 12px;
  --r-m: 16px;
  --r-l: 22px;

  --font-ui: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono",
    monospace;
}

/* ---------------- Reset ---------------- */

*, *::before, *::after { box-sizing: border-box; }

html, body, h1, h2, h3, h4, p, ul, ol, li, figure, form, fieldset {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

img, svg { display: block; max-width: 100%; }

button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

button { cursor: pointer; }

a { color: var(--amber); text-decoration: none; }

html { -webkit-text-size-adjust: 100%; background: var(--ink-0); }

/* 手机端保险：任何意外横向溢出都不产生横向滚动（根本修法在各页布局，见 media query） */
html, body { overflow-x: hidden; overflow-x: clip; }

/* ---------------- 画布：espresso 底 + 琥珀暖光晕 + 暖暗角 ---------------- */

body {
  min-height: 100vh;
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.6;
  color: var(--tx-mid);
  background: var(--ink-0);
  isolation: isolate;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 暖光晕层 — 琥珀光从磁带机方向散出，边缘落入暖暗角 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(150% 110% at 50% 32%, transparent 46%, rgba(9, 4, 1, 0.6) 100%),
    radial-gradient(920px 660px at 50% 8%, rgba(224, 164, 106, 0.13), transparent 62%),
    radial-gradient(760px 560px at 22% 36%, rgba(224, 164, 106, 0.07), transparent 62%),
    radial-gradient(900px 700px at 88% 96%, rgba(127, 184, 148, 0.05), transparent 58%),
    linear-gradient(180deg, #0b1e14 0%, #08120f 52%, #110b05 100%);
}

/* 暖颗粒 — 盖最上层，pointer 穿透 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: rgba(224, 164, 106, 0.32); color: var(--tx-hi); }

:focus-visible {
  outline: 2px solid rgba(224, 164, 106, 0.55);
  outline-offset: 2px;
  border-radius: 6px;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: #204432;
  border: 2px solid transparent;
  border-radius: 8px;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background-color: #295a42; background-clip: padding-box; }

/* ---------------- 字体层级小件 ---------------- */

.t-cap {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tx-lo);
}

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------------- 暖丝绒面板 ---------------- */

.panel {
  position: relative;
  background:
    linear-gradient(180deg, rgba(245, 206, 134, 0.05), transparent 36%),
    linear-gradient(180deg, var(--panel-hi), var(--panel-lo));
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  border: 1px solid var(--line-soft);
  border-top-color: rgba(245, 206, 134, 0.13);
  border-radius: var(--r-l);
  box-shadow:
    0 30px 60px -28px rgba(0, 0, 0, 0.78),
    0 2px 10px rgba(0, 0, 0, 0.35),
    0 0 44px -14px rgba(224, 164, 106, 0.07),
    inset 0 1px 0 rgba(245, 206, 134, 0.06);
}

.panel-hd {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px 0;
}

.panel-bd { padding: 14px 20px 20px; }

/* ---------------- 按钮 — 暖深色微凸，hover 起琥珀光 ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 18px;
  border-radius: 14px;
  border: 1px solid rgba(180, 210, 190, 0.14);
  background:
    linear-gradient(180deg, rgba(245, 206, 134, 0.06), transparent 46%),
    linear-gradient(180deg, #173828 0%, #10241a 100%);
  color: var(--tx-mid);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  box-shadow:
    inset 0 1px 0 rgba(245, 206, 134, 0.1),
    inset 0 -2px 4px rgba(0, 0, 0, 0.3),
    0 3px 10px -2px rgba(0, 0, 0, 0.5);
  transition: color 0.15s, border-color 0.15s, box-shadow 0.15s, transform 0.06s;
}

.btn:hover {
  color: var(--tx-hi);
  border-color: rgba(224, 164, 106, 0.3);
  box-shadow:
    inset 0 1px 0 rgba(245, 206, 134, 0.12),
    inset 0 -2px 4px rgba(0, 0, 0, 0.3),
    0 0 16px rgba(224, 164, 106, 0.1),
    0 3px 10px -2px rgba(0, 0, 0, 0.5);
}

.btn:active { transform: translateY(1px); }

.btn:disabled { opacity: 0.35; pointer-events: none; }

/* 主行动按钮 — 琥珀发光 */
.btn-amber {
  border-color: rgba(224, 164, 106, 0.42);
  background:
    linear-gradient(180deg, rgba(224, 164, 106, 0.17), rgba(224, 164, 106, 0.04) 62%),
    linear-gradient(180deg, #163a28 0%, #092417 100%);
  color: var(--amber-hi);
  text-shadow: 0 0 12px rgba(224, 164, 106, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(245, 214, 160, 0.16),
    inset 0 -2px 4px rgba(0, 0, 0, 0.3),
    0 0 18px rgba(224, 164, 106, 0.1),
    0 3px 10px -2px rgba(0, 0, 0, 0.5);
}

.btn-amber:hover {
  color: #ffe4ad;
  border-color: rgba(245, 206, 134, 0.6);
  box-shadow:
    inset 0 1px 0 rgba(245, 214, 160, 0.2),
    inset 0 -2px 4px rgba(0, 0, 0, 0.25),
    0 0 26px rgba(224, 164, 106, 0.24),
    0 3px 10px -2px rgba(0, 0, 0, 0.5);
}

.btn-amber:active {
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.42), 0 0 16px rgba(224, 164, 106, 0.16);
}

.btn-ghost { background: transparent; border-color: var(--line-soft); box-shadow: none; }

.btn-danger { color: #e8977f; border-color: rgba(224, 106, 78, 0.3); }
.btn-danger:hover {
  color: #f4b09a;
  border-color: rgba(224, 106, 78, 0.52);
  box-shadow: 0 0 14px rgba(224, 106, 78, 0.14);
}

.btn-sm { padding: 7px 13px; font-size: 12px; border-radius: 12px; }

.btn-block { width: 100%; padding: 14px 18px; font-size: 14px; }

/* ---------------- 输入件 ---------------- */

.field {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(180, 210, 190, 0.13);
  background: rgba(12, 6, 2, 0.44);
  color: var(--tx-hi);
  font-size: 14px;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.35), inset 0 -1px 0 rgba(245, 206, 134, 0.04);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field::placeholder { color: var(--tx-faint); }

.field:focus {
  outline: none;
  border-color: rgba(224, 164, 106, 0.5);
  box-shadow:
    inset 0 2px 8px rgba(0, 0, 0, 0.35),
    0 0 0 3px rgba(224, 164, 106, 0.1),
    0 0 18px rgba(224, 164, 106, 0.08);
}

select.field {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 34px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2377664e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
}

select.field option { background: var(--ink-2); color: var(--tx-hi); }

/* 分段选择器 — 暖内凹槽 + 微凸选中块 */
.seg {
  display: inline-flex;
  gap: 3px;
  padding: 4px;
  border-radius: 16px;
  border: 1px solid rgba(180, 210, 190, 0.09);
  background: rgba(12, 6, 2, 0.46);
  box-shadow: inset 0 2px 7px rgba(0, 0, 0, 0.4);
}

.seg button {
  padding: 8px 15px;
  border-radius: 12px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--tx-lo);
  transition: color 0.15s, background 0.15s, box-shadow 0.15s;
}

.seg button:hover { color: var(--tx-mid); }

.seg button.on {
  background: linear-gradient(180deg, #1b422f, #0e2c1d);
  color: var(--amber-hi);
  text-shadow: 0 0 10px rgba(224, 164, 106, 0.3);
  box-shadow:
    inset 0 1px 0 rgba(245, 214, 160, 0.12),
    inset 0 0 0 1px rgba(224, 164, 106, 0.22),
    0 2px 6px rgba(0, 0, 0, 0.45),
    0 0 12px rgba(224, 164, 106, 0.08);
}

.seg.disabled { opacity: 0.32; pointer-events: none; }

/* ---------------- 标签 / 徽章 ---------------- */

.tag {
  /* inline-block（非 flex）才能让 text-overflow 对内部文本生效 */
  display: inline-block;
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--tx-mid);
  white-space: nowrap;
  /* 超长内容（如自定义曲风）省略号截断，不撑破所在行 */
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tag-amber { color: var(--amber-hi); border-color: rgba(224, 164, 106, 0.34); background: rgba(224, 164, 106, 0.08); }
.tag-green { color: var(--green); border-color: rgba(168, 191, 107, 0.3); background: rgba(168, 191, 107, 0.07); }
.tag-red { color: #eda183; border-color: rgba(224, 106, 78, 0.34); background: rgba(224, 106, 78, 0.07); }
.tag-dim { color: var(--tx-lo); border-color: var(--line-soft); }

/* ---------------- 指示灯 — 暖玉底，点亮琥珀 / 铜橘 ---------------- */

.led {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #0f3221;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.7);
  transition: background 0.3s, box-shadow 0.3s;
}

.led.g.on { background: var(--amber); box-shadow: 0 0 9px var(--amber-glow), 0 0 18px rgba(224, 164, 106, 0.18); }
.led.a.on { background: var(--amber-hi); box-shadow: 0 0 10px rgba(245, 206, 134, 0.55); }
/* REC / 录制点 — 铜橘记号 */
.led.r.on { background: var(--copper); box-shadow: 0 0 10px var(--copper-glow), 0 0 20px rgba(127, 184, 148, 0.22); }

.led.blink { animation: ledBlink 1.15s ease-in-out infinite; }

@keyframes ledBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.led-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--tx-lo);
  font-family: var(--font-mono);
}

/* ---------------- 进度条 — 琥珀流光 ---------------- */

.bar {
  height: 6px;
  border-radius: 999px;
  border: 1px solid rgba(180, 210, 190, 0.07);
  background: rgba(10, 5, 2, 0.5);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.bar > i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--amber-deep), var(--amber) 78%, var(--amber-hi));
  box-shadow: 0 0 10px rgba(224, 164, 106, 0.4);
  transition: width 0.45s ease;
}

.bar > i.warn {
  background: linear-gradient(90deg, #8a3d22, var(--copper) 80%, var(--copper-hi));
  box-shadow: 0 0 10px rgba(127, 184, 148, 0.4);
}

/* ---------------- 通用小件 ---------------- */

.row { display: flex; align-items: center; gap: 10px; }

@keyframes spin { to { transform: rotate(360deg); } }

@keyframes softPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}