/**
 * 船舶系缆力监测平台 · UI 主题（首页固化色系）
 * 后续页面请优先引用本文件，勿另起紫色/奶油色等默认 AI 皮肤。
 *
 * 用法：
 *   <link rel="stylesheet" href="/static/theme.css" />
 */

:root {
  /* 背景层级 */
  --bg0: #030b1c;
  --bg1: #0a1a38;
  --bg2: #061224;

  /* 面板 */
  --panel: rgba(12, 28, 56, .62);
  --panel-hi: rgba(20, 44, 82, .55);
  --panel-solid: rgba(10, 26, 56, .5);

  /* 边框 / 强调 */
  --border: rgba(64, 145, 255, .22);
  --border-soft: rgba(64, 145, 255, .16);
  --border-hi: rgba(34, 211, 238, .55);

  /* 品牌色 */
  --cyan: #22d3ee;
  --blue: #3b82f6;
  --blue-deep: #2263d2;

  /* 文字 */
  --text: #d9e8ff;
  --text-bright: #eaf4ff;
  --text-title: #cfe3ff;
  --muted: #7d93b8;
  --dim: #52698f;

  /* 状态 */
  --ok: #2ee6a8;
  --warn: #ffb020;
  --danger: #ff4d4f;
  --offline: #64748b;
  --battery: #c084fc;

  /* 数字字体（等宽感） */
  --num-font: "Bahnschrift", "Segoe UI", "Microsoft YaHei", sans-serif;
  --ui-font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;

  /* 圆角 / 间距 */
  --radius: 6px;
  --radius-sm: 5px;
  --gap: 14px;
}

/* ── 页面底 ── */
body.theme-mooring {
  font-family: var(--ui-font);
  color: var(--text);
  background:
    radial-gradient(1100px 520px at 50% -8%, rgba(34, 99, 210, .28), transparent 62%),
    radial-gradient(900px 500px at 88% 108%, rgba(14, 116, 144, .18), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 55%, var(--bg2));
}

body.theme-mooring::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(64, 145, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(64, 145, 255, .045) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

/* ── 面板 ── */
.panel {
  position: relative;
  background: linear-gradient(170deg, var(--panel-hi), var(--panel));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  backdrop-filter: blur(4px);
}

.panel::before,
.panel::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border-style: solid;
  border-color: var(--border-hi);
  pointer-events: none;
}

.panel::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.panel::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

.panel h2 {
  flex: none;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--text-title);
  padding-bottom: 9px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--border-soft);
}

.panel h2::before {
  content: "";
  width: 5px;
  height: 16px;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  box-shadow: 0 0 10px rgba(34, 211, 238, .7);
}

/* ── 按钮 / 链接 ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(20, 44, 82, .7);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
}

.btn:hover {
  border-color: var(--border-hi);
  color: var(--cyan);
}

.btn-primary {
  border-color: rgba(34, 211, 238, .45);
  background: linear-gradient(160deg, rgba(34, 211, 238, .22), rgba(59, 130, 246, .18));
  color: #eaf6ff;
}

.btn-primary:hover {
  border-color: var(--cyan);
  color: #fff;
}

.btn-danger {
  border-color: rgba(255, 77, 79, .45);
  background: rgba(255, 77, 79, .12);
  color: var(--danger);
}

a.link-muted { color: var(--muted); text-decoration: none; transition: color .2s; }
a.link-muted:hover { color: var(--cyan); }

/* ── 表单 ── */
.input,
.select,
.textarea {
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(6, 18, 40, .75);
  color: var(--text);
  font-size: 14px;
  outline: none;
}

.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--border-hi);
  box-shadow: 0 0 0 2px rgba(34, 211, 238, .12);
}

.label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }

/* ── 徽章 / 状态 ── */
.badge {
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: rgba(51, 65, 85, .4);
  color: var(--muted);
}

.badge.ok,
.badge.live {
  border-color: rgba(46, 230, 168, .5);
  background: rgba(46, 230, 168, .1);
  color: var(--ok);
}

.badge.warn,
.badge.poll {
  border-color: rgba(255, 176, 32, .5);
  background: rgba(255, 176, 32, .1);
  color: var(--warn);
}

.badge.danger {
  border-color: rgba(255, 77, 79, .5);
  background: rgba(255, 77, 79, .1);
  color: var(--danger);
}

.badge.offline {
  border-color: rgba(100, 116, 139, .5);
  background: rgba(100, 116, 139, .15);
  color: var(--offline);
}

/* ── 数字强调 ── */
.num {
  font-family: var(--num-font);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  color: var(--text-bright);
}

/* ── 滚动条 ── */
.theme-mooring ::-webkit-scrollbar { width: 5px; height: 5px; }
.theme-mooring ::-webkit-scrollbar-thumb {
  background: rgba(64, 145, 255, .3);
  border-radius: 3px;
}

/* ── ECharts 建议配色（JS 中引用同色值） ── */
/*
  series palette:
  #22d3ee #3b82f6 #2ee6a8 #ffb020 #a78bfa #f472b6 #38bdf8 #fbbf24
  tooltip bg: rgba(8,24,47,.92)
  axis/label: #7d93b8
  splitLine: rgba(64,145,255,.12)
*/

/* ── 波形/频谱/时频弹层外框（高科技感） ── */
.wave-modal-box {
  position: relative;
  border: 2px solid rgba(34, 211, 238, .55) !important;
  border-radius: 6px !important;
  background:
    linear-gradient(180deg, rgba(34, 211, 238, .06), transparent 48px),
    linear-gradient(170deg, rgba(20, 44, 82, .98), rgba(6, 16, 36, .99)) !important;
  box-shadow:
    0 0 0 1px rgba(59, 130, 246, .4),
    0 0 0 4px rgba(8, 24, 52, .85),
    0 0 28px rgba(34, 211, 238, .22),
    0 0 64px rgba(59, 130, 246, .14),
    0 28px 72px rgba(0, 0, 0, .6),
    inset 0 1px 0 rgba(34, 211, 238, .22),
    inset 0 0 40px rgba(34, 211, 238, .04) !important;
}
.wave-modal-box .wm-corner {
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
  z-index: 3;
}
.wave-modal-box .wm-corner.tl {
  top: -2px; left: -2px;
  border-top: 3px solid var(--cyan);
  border-left: 3px solid var(--cyan);
  box-shadow: -1px -1px 10px rgba(34, 211, 238, .55);
}
.wave-modal-box .wm-corner.tr {
  top: -2px; right: -2px;
  border-top: 3px solid var(--cyan);
  border-right: 3px solid var(--blue);
  box-shadow: 1px -1px 10px rgba(34, 211, 238, .4);
}
.wave-modal-box .wm-corner.bl {
  bottom: -2px; left: -2px;
  border-bottom: 3px solid var(--blue);
  border-left: 3px solid var(--cyan);
  box-shadow: -1px 1px 10px rgba(59, 130, 246, .4);
}
.wave-modal-box .wm-corner.br {
  bottom: -2px; right: -2px;
  border-bottom: 3px solid var(--blue);
  border-right: 3px solid var(--blue);
  box-shadow: 1px 1px 10px rgba(59, 130, 246, .55);
}
.wave-modal-box .wave-modal-head {
  display: flex !important;
  align-items: center !important;
  gap: 14px;
  border-bottom: 1px solid transparent !important;
  background: linear-gradient(90deg, rgba(34, 211, 238, .14), rgba(59, 130, 246, .06) 42%, transparent);
  margin: -4px -6px 10px !important;
  padding: 8px 12px 12px !important;
  border-image: linear-gradient(90deg, rgba(34, 211, 238, .65), rgba(59, 130, 246, .25), transparent) 1;
  box-shadow: inset 0 -1px 0 rgba(34, 211, 238, .35);
}
.wave-modal-box .wave-modal-head h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}
.wave-modal-box .wave-modal-head h3::before {
  content: "";
  width: 4px;
  height: 16px;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  box-shadow: 0 0 10px rgba(34, 211, 238, .7);
}
.wave-modal-box .chart-panel {
  border: 1px solid rgba(34, 211, 238, .28) !important;
  box-shadow:
    inset 0 0 0 1px rgba(59, 130, 246, .1),
    0 0 16px rgba(34, 211, 238, .06);
}