/* 无人机资产管理系统样式 */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --border: #e2e6ec;
  --text: #26303c;
  --muted: #7a8699;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --danger: #dc2626;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

header h1 { font-size: 20px; font-weight: 600; }

nav { display: flex; gap: 8px; }

.tab {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  cursor: pointer;
  font-size: 14px;
  color: var(--muted);
}
.tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.tab:hover:not(.active) { color: var(--primary); }

main.view { display: none; padding: 20px 24px; max-width: 1400px; margin: 0 auto; }
main.view.active { display: block; }

/* 工具条 */
.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.toolbar label { font-size: 13px; color: var(--muted); }

input[type="text"], input[type="date"], select, textarea {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: var(--card);
  color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid #93c5fd; border-color: var(--primary); }
textarea { resize: vertical; min-height: 64px; }

button {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  cursor: pointer;
  font-size: 14px;
  color: var(--text);
  transition: all .15s;
}
button:hover { border-color: var(--primary); color: var(--primary); }
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:hover { background: var(--primary-dark); color: #fff; }
button.danger:hover { border-color: var(--danger); color: var(--danger); }
button.small { padding: 4px 10px; font-size: 13px; }

/* 表格 */
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--border); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: #fafbfc; color: var(--muted); font-weight: 600; font-size: 13px; }
tbody tr:hover { background: #f8fafc; }
tbody tr:last-child td { border-bottom: none; }
td.remark-cell { white-space: normal; min-width: 160px; max-width: 320px; }
td .actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* 状态徽标 */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: #fff;
  font-weight: 600;
}
.badge.empty { background: #e5e9f0; color: var(--muted); }
.badge-待组装 { background: #9e9e9e; }
.badge-待调试 { background: #ff9800; }
.badge-待飞   { background: #4caf50; }
.badge-损坏   { background: #f44336; }

/* 弹窗 */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, .45);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 48px 16px;
  z-index: 50;
  overflow-y: auto;
}
.modal-mask.open { display: flex; }
.modal {
  background: var(--card);
  border-radius: 12px;
  width: 100%;
  max-width: 520px;
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 20px; border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 16px; }
.modal-close { border: none; background: none; font-size: 20px; color: var(--muted); cursor: pointer; }
.modal-body { padding: 18px 20px; }
.modal-footer {
  padding: 12px 20px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px;
}

.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }
.form-row input, .form-row select, .form-row textarea { width: 100%; }

/* 历史时间线 */
.timeline { max-height: 420px; overflow-y: auto; padding-right: 6px; }
.tl-item {
  display: flex; gap: 12px; padding: 10px 0;
  border-left: 3px solid var(--border); margin-left: 6px; padding-left: 16px;
  position: relative;
}
.tl-item .dot {
  position: absolute; left: -8px; top: 16px;
  width: 13px; height: 13px; border-radius: 50%;
  border: 2px solid #fff; box-shadow: 0 0 0 2px var(--border);
}
.tl-item .tl-time { font-size: 12px; color: var(--muted); min-width: 150px; }
.tl-item .tl-status { font-weight: 600; }
.tl-item .tl-remark { font-size: 13px; color: var(--muted); margin-top: 2px; }

/* 透视表 */
.matrix-wrap { overflow: auto; max-height: 70vh; }
#matrix-table th { position: sticky; top: 0; background: #fafbfc; z-index: 2; }
#matrix-table th:first-child, #matrix-table td:first-child { position: sticky; left: 0; background: #fafbfc; z-index: 1; }
#matrix-table td:first-child { background: #f4f6f9; color: var(--muted); font-size: 12px; }
#matrix-table th.corner { z-index: 3; }
.cell {
  display: inline-block; min-width: 64px; text-align: center;
  padding: 3px 8px; border-radius: 6px; font-size: 12px; color: #fff; font-weight: 600;
  line-height: 1.35;
}
.cell-remark {
  display: block; font-weight: 400; font-size: 11px;
  opacity: .88; margin-top: 2px; max-width: 180px;
  white-space: normal; word-break: break-all;
}
.cell.empty-cell { background: #f1f4f8; color: #c3cbd6; }

/* 提示 */
.toast {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
  background: #111827; color: #fff; padding: 10px 20px;
  border-radius: 8px; font-size: 14px; z-index: 100;
  opacity: 0; transition: opacity .25s; pointer-events: none;
}
.toast.show { opacity: 1; }
.toast.error { background: var(--danger); }

.empty-tip { color: var(--muted); text-align: center; padding: 40px 0; font-size: 14px; }