/* 中科蓝讯遥控器 OTA 固件分发服务 —— 管理后台与下载页样式 */

:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --line: #e2e6ee;
  --text: #1f2937;
  --dim: #6b7280;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --ok: #059669;
  --warn: #d97706;
  --danger: #dc2626;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #eef2f7; padding: 1px 5px; border-radius: 4px; font-size: 13px; }
.mono { font-family: Consolas, "Courier New", monospace; }
.dim { color: var(--dim); font-size: 12px; }
.small-text { font-size: 12px; }
.empty { color: var(--dim); padding: 12px 0; }
.req { color: var(--danger); }

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex; align-items: center; gap: 24px;
  background: #111827; color: #fff; padding: 0 20px; height: 52px;
}
.brand { font-weight: 600; font-size: 15px; }
.brand .ver { color: #9ca3af; font-weight: 400; font-size: 12px; margin-left: 6px; }
.topbar nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.topbar nav a {
  color: #d1d5db; padding: 6px 12px; border-radius: 6px; font-size: 13px;
}
.topbar nav a:hover { background: #1f2937; color: #fff; text-decoration: none; }
.topbar nav a.on { background: var(--primary); color: #fff; }

main { max-width: 1180px; margin: 0 auto; padding: 20px; }
.foot { text-align: center; color: var(--dim); font-size: 12px; padding: 24px 0 40px; }

/* ---------- 提示条 ---------- */
.flash { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; font-size: 13px; }
.flash.ok { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.flash.bad { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ---------- 概览卡片 ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 20px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; color: inherit;
}
.card:hover { border-color: var(--primary); text-decoration: none; }
.card .num { font-size: 30px; font-weight: 600; line-height: 1.1; }
.card .lbl { color: var(--dim); font-size: 13px; margin-top: 4px; }

/* ---------- 面板 ---------- */
.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 20px;
}
.panel h2 { font-size: 15px; margin: 0 0 14px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.filter { margin-left: auto; font-weight: 400; font-size: 12px; display: flex; gap: 8px; flex-wrap: wrap; }
.filter a { padding: 3px 9px; border-radius: 12px; background: #eef2f7; color: #374151; }
.filter a.on { background: var(--primary); color: #fff; }
.filter a:hover { text-decoration: none; }

.checklist, .steps { margin: 0; padding-left: 20px; }
.checklist { list-style: none; padding-left: 0; }
.checklist li { padding: 7px 0 7px 26px; position: relative; border-bottom: 1px dashed var(--line); }
.checklist li:last-child { border-bottom: 0; }
.checklist li::before { position: absolute; left: 0; top: 7px; }
.checklist li.ok::before { content: "✓"; color: var(--ok); font-weight: 700; }
.checklist li.warn::before { content: "!"; color: var(--warn); font-weight: 700; }
.warn-text { color: var(--warn); }
.steps li { padding: 5px 0; }

.tip { color: var(--dim); font-size: 12px; margin: 8px 0 0; line-height: 1.7; }

/* ---------- 表单 ---------- */
.row-form, .item-body { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; }
.stack-form { display: flex; flex-direction: column; gap: 12px; }
.stack-form > label { display: block; }

/* 标签文字与必填星号保持同一行，输入框另起一行 */
label { display: block; font-size: 12px; color: var(--dim); }
label input, label select, label textarea { display: block; margin-top: 4px; }
label.check { display: flex; align-items: center; gap: 6px; color: var(--text); font-size: 13px; }
label.check input { display: inline-block; margin-top: 0; }
label.grow { flex: 1; min-width: 260px; }

input[type="text"], input[type="number"], input[type="password"], select, input[type="file"] {
  padding: 7px 10px; border: 1px solid var(--line); border-radius: 6px;
  font-size: 13px; font-family: inherit; background: #fff; color: var(--text); min-width: 150px;
}
input:focus, select:focus { outline: none; border-color: var(--primary); }
input.tiny { min-width: 70px; width: 70px; }
input.small { min-width: 110px; }
input.inline { min-width: 0; width: 100%; }

button {
  padding: 7px 14px; border: 1px solid var(--line); background: #fff; color: var(--text);
  border-radius: 6px; font-size: 13px; font-family: inherit; cursor: pointer; white-space: nowrap;
}
button:hover { border-color: #c7cdd8; background: #f9fafb; }
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
button.danger { color: var(--danger); border-color: #fecaca; }
button.danger:hover { background: #fef2f2; }
button.small-btn { padding: 4px 9px; font-size: 12px; }
.btn {
  padding: 7px 14px; border: 1px solid var(--line); background: #fff; color: var(--text);
  border-radius: 6px; font-size: 13px; white-space: nowrap; display: inline-block;
}
.btn:hover { text-decoration: none; border-color: #c7cdd8; background: #f9fafb; }
.inline-form { display: inline-block; }

/* ---------- 条目卡片（系列 / 型号） ---------- */
.item {
  display: flex; gap: 14px; align-items: center;
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; margin-bottom: 10px; background: #fff;
}
.item.off { background: #fafbfc; opacity: 0.72; }
.item-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 10px; }
.item-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.item-head input[type="text"] { min-width: 180px; font-weight: 600; }
.item-side { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.cid { color: var(--dim); font-size: 12px; font-family: Consolas, monospace; }
.thumb {
  width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 6px;
  display: flex; align-items: center; justify-content: center; overflow: hidden; background: #f9fafb;
  flex: none;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.noimg { font-size: 11px; color: #9ca3af; }

/* ---------- 表格 ---------- */
table.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
table.grid th {
  text-align: left; font-weight: 600; color: var(--dim); font-size: 12px;
  padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
table.grid td { padding: 9px 10px; border-bottom: 1px solid #f1f3f7; vertical-align: middle; }
table.grid tr.off { background: #fafbfc; opacity: 0.72; }
table.grid td.actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px;
  background: #eef2f7; color: #4b5563;
}
.badge.on { background: #ecfdf5; color: var(--ok); }
.badge.pub { background: #eff6ff; color: var(--primary); }
.badge.pot { background: #fffbeb; color: var(--warn); cursor: help; }

/* ---------- 登录页 ---------- */
.login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: #111827; margin: 0;
}
.login-card {
  background: #fff; padding: 32px; border-radius: 12px; width: 340px;
  display: flex; flex-direction: column; gap: 14px;
}
.login-card h1 { font-size: 18px; margin: 0; }
.login-card .sub { color: var(--dim); font-size: 13px; margin: -8px 0 0; }
.login-card input { width: 100%; }
.login-card button { width: 100%; padding: 10px; }
.login-card .tip { margin-top: 4px; }

/* ---------- 公开下载页 ---------- */
.public-body { background: var(--bg); }
.public-wrap { max-width: 560px; margin: 0 auto; padding: 28px 18px 48px; }
.public-head { text-align: center; margin-bottom: 22px; }
.public-head h1 { font-size: 22px; margin: 0 0 6px; }
.public-head .sub { color: var(--dim); font-size: 13px; margin: 0; }
.public-card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 20px; margin-bottom: 16px;
}
.ver-line { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.ver-big { font-size: 26px; font-weight: 600; }
.changelog { margin-bottom: 16px; }
.changelog .lbl, .public-card .lbl { font-size: 12px; color: var(--dim); margin-bottom: 4px; }
.changelog p { margin: 0; }
.download-btn {
  display: block; text-align: center; background: var(--primary); color: #fff;
  padding: 14px; border-radius: 8px; font-size: 16px; font-weight: 600;
}
.download-btn:hover { background: var(--primary-dark); text-decoration: none; }
.addr { background: #f4f6f9; padding: 10px 12px; border-radius: 6px; word-break: break-all; margin: 0; }
.history { list-style: none; margin: 0; padding: 0; }
.history li {
  display: flex; gap: 12px; align-items: center; padding: 7px 0;
  border-bottom: 1px dashed var(--line); font-size: 13px;
}
.history li:last-child { border-bottom: 0; }
.history li span:first-child { width: 80px; }
.history li span.dim { flex: 1; }
.public-foot { color: var(--dim); font-size: 12px; text-align: center; line-height: 1.9; }
.public-foot p { margin: 6px 0; }