/* 第九现场 · 视觉层 A「极简太空 + HUD」
   在 style.css / ui.css / theme-light.css 之后加载：
   用令牌覆盖整体配色，再用少量组件细节（网格、角标、等宽数字）建立科幻感。
   不改布局，不改任何业务样式，只做视觉。 */

/* ============ 暗色（现场版） ============ */
:root {
  --bg: #05090f;
  --bg-2: #081221;
  --surface: #0a1322;
  --surface-2: #101b2e;
  --line: #1e3252;
  --line-soft: #152740;
  --text: #e8f2ff;
  --muted: #8aa6cc;
  --muted-2: #6a86ac;
  --accent: #3f9bff;
  --accent-2: #7cc4ff;
  --gold: #f5b942;
  --ok: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 18px 44px rgba(0, 0, 0, .45);
  --shadow-sm: 0 6px 20px rgba(0, 0, 0, .28);
  --ring: 0 0 0 3px rgba(63, 155, 255, .28);
}

body {
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(110, 170, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 170, 255, .055) 1px, transparent 1px),
    radial-gradient(1100px 640px at 16% -12%, rgba(63, 155, 255, .15), transparent 62%),
    radial-gradient(900px 600px at 100% 0%, rgba(63, 155, 255, .05), transparent 55%);
  background-size: 46px 46px, 46px 46px, auto, auto;
  background-attachment: fixed;
}
/* 轨道环：右上角一条很淡的弧线 */
body::before {
  content: "";
  position: fixed;
  right: -16vw;
  top: -26vh;
  width: 62vw;
  height: 62vw;
  border-radius: 50%;
  border: 1px solid rgba(63, 155, 255, .18);
  box-shadow: 0 0 0 44px rgba(63, 155, 255, .022), inset 0 0 120px rgba(63, 155, 255, .06);
  pointer-events: none;
  z-index: 0;
}

/* ---------- 导航 ---------- */
.topnav {
  background: rgba(5, 9, 15, .88);
  border-bottom: 1px solid rgba(110, 170, 255, .16);
  backdrop-filter: saturate(150%) blur(16px);
}
.topnav .brand-mark {
  background: linear-gradient(150deg, #ffdd8a, #efa733);
  color: #3a2500;
  box-shadow: 0 4px 16px rgba(245, 185, 66, .28);
}
.topnav nav a.on {
  color: #eaf4ff;
  background: rgba(63, 155, 255, .18);
  box-shadow: inset 0 0 0 1px rgba(63, 155, 255, .28);
}

/* ---------- 卡片：深蓝玻璃 + 左上角 HUD 角标 ---------- */
.card {
  position: relative;
  background: linear-gradient(180deg, rgba(14, 23, 40, .94), rgba(8, 14, 26, .94));
  border: 1px solid rgba(110, 170, 255, .18);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 38px; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.card::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 1px; height: 38px;
  background: linear-gradient(180deg, var(--accent), transparent);
}
.card.hl {
  border-color: rgba(63, 155, 255, .45);
  box-shadow: 0 0 0 1px rgba(63, 155, 255, .14), var(--shadow-sm);
}

/* ---------- 文字：kicker 加 HUD 前缀 ---------- */
.kicker {
  color: var(--accent-2);
  letter-spacing: .3em;
  text-shadow: 0 0 14px rgba(63, 155, 255, .28);
}
.kicker::before { content: "// "; opacity: .7; }
.lead { color: var(--muted); }

/* ---------- 按钮 ---------- */
.btn {
  border-color: var(--line);
  background: var(--surface-2);
}
.btn:hover { border-color: rgba(110, 170, 255, .34); }
.btn.primary {
  background: linear-gradient(180deg, rgba(63, 155, 255, .26), rgba(63, 155, 255, .10));
  border: 1px solid rgba(63, 155, 255, .58);
  color: #eaf5ff;
  box-shadow: inset 0 0 20px rgba(63, 155, 255, .16);
}
.btn.primary:hover { border-color: rgba(63, 155, 255, .8); filter: brightness(1.08); }
.btn.gold { border-color: transparent; }

/* ---------- 表单 ---------- */
input, select, textarea {
  background: var(--surface-2);
  border-color: var(--line);
}
input:focus, select:focus, textarea:focus {
  border-color: rgba(63, 155, 255, .7);
}

/* ---------- 数字：计时 / 票数 / 分数用等宽 ---------- */
.mono, .timer, .stat-cell b, .bar-val, #clock, .pacer-remain, .pacer-clock {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* ---------- 徽标 ---------- */
.badge { border: 1px solid transparent; }
.badge.live, .badge.ok { border-color: rgba(52, 211, 153, .28); }
.badge.warn { border-color: rgba(251, 191, 36, .3); }
.badge.bad { border-color: rgba(248, 113, 113, .3); }

/* ---------- 大屏面板 ---------- */
.panel {
  background: rgba(10, 19, 34, .88);
  border: 1px solid rgba(110, 170, 255, .22);
  border-radius: 1.6vh;
  position: relative;
}
.panel::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 2.6vw; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.stage-top .kicker { color: var(--accent-2); }
.option-cell .k { background: rgba(63, 155, 255, .18); color: var(--accent-2); }

/* ---------- 登录页 ---------- */
.login {
  border-color: rgba(110, 170, 255, .22);
  border-radius: 16px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .5);
}
.brand-side {
  background: linear-gradient(155deg, #0c2749, #040a14 72%);
}
.submit {
  background: linear-gradient(180deg, rgba(63, 155, 255, .3), rgba(63, 155, 255, .12));
  border: 1px solid rgba(63, 155, 255, .55);
  color: #eaf5ff;
  box-shadow: inset 0 0 20px rgba(63, 155, 255, .16);
}

/* ============ 浅色（企业版）：图纸感 ============ */
html[data-theme="light"] {
  --bg: #f4f7fc;
  --bg-2: #eaf0fa;
  --surface: #ffffff;
  --surface-2: #f5f8fd;
  --line: #d3e0f2;
  --line-soft: #e3ebf7;
  --text: #101c2e;
  --muted: #566a85;
  --muted-2: #7f91aa;
  --accent: #1f6feb;
  --accent-2: #3f86f5;
  --shadow: 0 18px 40px rgba(23, 43, 77, .10);
  --shadow-sm: 0 6px 18px rgba(23, 43, 77, .06);
  --ring: 0 0 0 3px rgba(31, 111, 235, .18);
}
html[data-theme="light"] body {
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(31, 111, 235, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 111, 235, .055) 1px, transparent 1px),
    radial-gradient(1100px 640px at 10% -10%, #e9f0fd 0%, transparent 60%),
    radial-gradient(900px 620px at 100% 100%, #eef4ff 0%, transparent 55%);
  background-size: 46px 46px, 46px 46px, auto, auto;
  background-attachment: fixed;
}
html[data-theme="light"] body::before {
  border-color: rgba(31, 111, 235, .14);
  box-shadow: 0 0 0 44px rgba(31, 111, 235, .015), inset 0 0 120px rgba(31, 111, 235, .04);
}
html[data-theme="light"] .topnav {
  background: rgba(255, 255, 255, .9);
  border-bottom: 1px solid #dbe6f6;
}
html[data-theme="light"] .topnav nav a.on {
  color: #123a75;
  background: rgba(31, 111, 235, .12);
  box-shadow: inset 0 0 0 1px rgba(31, 111, 235, .22);
}
html[data-theme="light"] .card {
  background: #fff;
  border-color: rgba(31, 111, 235, .16);
  box-shadow: 0 8px 24px rgba(23, 43, 77, .06);
}
html[data-theme="light"] .card::before { background: linear-gradient(90deg, var(--accent), transparent); }
html[data-theme="light"] .card::after { background: linear-gradient(180deg, var(--accent), transparent); }
html[data-theme="light"] .kicker { text-shadow: none; }
html[data-theme="light"] .panel {
  background: #fff;
  border-color: rgba(31, 111, 235, .2);
}
html[data-theme="light"] .brand-side {
  background: linear-gradient(155deg, #123a6b, #0a1f3c 72%);
}
html[data-theme="light"] .login { border-color: rgba(31, 111, 235, .18); }

/* ---------- 覆盖首页内联的旧强调色（绯红 → HUD 青蓝） ---------- */
body .mod-icon {
  background: linear-gradient(160deg, rgba(63, 155, 255, .22), rgba(63, 155, 255, .10));
  border-color: rgba(63, 155, 255, .28);
  color: var(--accent-2);
}
body .mod-card:hover { border-color: rgba(110, 170, 255, .34); }
body .mod-card.on { border-color: var(--accent); background: rgba(63, 155, 255, .10); }
body .bar-track i { background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
body .opt-btn.sel { border-color: var(--accent); background: rgba(63, 155, 255, .12); }
.card.hl { border-color: rgba(63, 155, 255, .45); box-shadow: 0 0 0 1px rgba(63, 155, 255, .14), var(--shadow-sm); }

html[data-theme="light"] body .mod-icon {
  background: linear-gradient(160deg, rgba(31, 111, 235, .14), rgba(31, 111, 235, .06));
  border-color: rgba(31, 111, 235, .22);
  color: var(--accent);
}
html[data-theme="light"] body .mod-card:hover { border-color: #b9cdec; }
html[data-theme="light"] body .mod-card.on { border-color: var(--accent); background: rgba(31, 111, 235, .06); }
html[data-theme="light"] .topnav .brand-mark {
  background: linear-gradient(150deg, #ffdd8a, #efa733);
  box-shadow: 0 4px 14px rgba(180, 120, 20, .22);
}

/* 大屏/手机端：隐藏浮动主题与音效按钮，避免压住页脚 */
.screen-stage #themeToggle, .screen-stage #soundToggle,
.phone-stage #themeToggle, .phone-stage #soundToggle { display: none !important; }

/* 轨道环与网格只做背景：内容层提到上层，避免弧线压到卡片/表单上 */
.page, .screen-stage, .phone-stage, .login, #app { position: relative; z-index: 1; }

/* 悬浮倒计时 embed 模式：必须保持透明，便于 OBS / 直播叠加 */
body.embed {
  background-color: transparent !important;
  background-image: none !important;
}
body.embed::before { display: none !important; }

/* 导航：品牌与菜单不换行，空间不足时隐藏右侧说明 */
.topnav .brand { flex: 0 0 auto; }
.topnav .brand > span { white-space: nowrap; }
.topnav nav { flex-wrap: nowrap; }
.topnav nav a { white-space: nowrap; }
@media (max-width: 1440px) { .topnav .meta { display: none; } }
@media (max-width: 1080px) { .topnav nav a { padding: 7px 9px; font-size: 13px; } }


/* 品牌图标（应用图标统一用到 Web） */
.brand-icon { width: 30px; height: 30px; border-radius: 9px; display: block; box-shadow: 0 0 0 1px rgba(255, 255, 255, .10); }
html[data-theme="light"] .brand-icon { box-shadow: 0 1px 4px rgba(23, 43, 77, .14); }