:root {
  --c-primary: #3b6e8f;
  --c-primary-dark: #2c5670;
  --c-bg: #f6f4ee;
  --c-card: #ffffff;
  --c-border: #e1ddd2;
  --c-text: #2a2a2a;
  --c-muted: #888;
  --c-danger: #c0392b;
  --c-success: #27ae60;
  --c-warn: #e67e22;
  --c-info: #2980b9;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow: 0 4px 12px rgba(0,0,0,.08);
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 15px;
  line-height: 1.55;
}

a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: #fff;
  border-right: 1px solid var(--c-border);
  padding: 20px 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar .brand {
  padding: 0 20px 16px;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 12px;
}
.sidebar .brand h1 {
  margin: 0; font-size: 16px; font-weight: 700; color: var(--c-primary);
}
.sidebar .brand small { color: var(--c-muted); font-size: 11px; }

.sidebar .group { padding: 0 12px; margin-bottom: 14px; }
.sidebar .group-title {
  font-size: 11px; color: var(--c-muted); padding: 4px 8px; letter-spacing: 1px;
}
.sidebar a.nav {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 8px;
  color: #444; font-size: 14px;
}
.sidebar a.nav:hover { background: #f0ede4; text-decoration: none; }
.sidebar a.nav.active { background: var(--c-primary); color: #fff; }
.sidebar a.nav .ico { width: 22px; text-align: center; }

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  padding: 10px 20px;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 10;
}
.topbar .branch-pill {
  background: var(--c-bg); border: 1px solid var(--c-border);
  padding: 4px 12px; border-radius: 999px; font-size: 13px;
}
.topbar .user { font-size: 13px; color: #555; }

.main { padding: 22px 28px 60px; }
.main h2 { margin: 0 0 4px; font-size: 22px; }
.main .subtitle { color: var(--c-muted); margin-bottom: 22px; font-size: 13px; }

.card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
}

.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 200px; }

.grid-cards {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
.stat {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow-sm);
}
.stat .num { font-size: 26px; font-weight: 700; color: var(--c-primary); }
.stat .label { font-size: 12px; color: var(--c-muted); margin-top: 4px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 8px 14px; border-radius: 8px; min-height: 36px;
  background: var(--c-primary); color: #fff; border: 1px solid transparent;
  cursor: pointer; font-size: 14px; line-height: 1.2; text-decoration: none;
  white-space: nowrap; vertical-align: middle;
}
.btn:hover { background: var(--c-primary-dark); text-decoration: none; }
.btn.ghost { background: #fff; color: var(--c-primary); border-color: var(--c-primary); }
.btn.ghost:hover { background: #f0f6fa; }
.btn.danger { background: var(--c-danger); border-color: transparent; color:#fff; }
.btn.warn { background: var(--c-warn); border-color: transparent; color:#fff; }
.btn.success { background: var(--c-success); border-color: transparent; color:#fff; }
.btn.sm { padding: 4px 10px; font-size: 12px; min-height: 28px; }

table.tbl { width: 100%; border-collapse: collapse; background: #fff; }
table.tbl th, table.tbl td {
  padding: 10px 12px; border-bottom: 1px solid var(--c-border); text-align: left;
  font-size: 13px;
}
table.tbl th { background: #faf8f2; font-weight: 600; color: #555; }
table.tbl tr:hover td { background: #fcfaf3; }

.form label { display: block; font-size: 12px; color: #555; margin: 12px 0 4px; }
.form input[type=text], .form input[type=number], .form input[type=email],
.form input[type=password], .form input[type=date], .form input[type=datetime-local],
.form input[type=tel], .form input[type=url], .form select, .form textarea {
  width: 100%; padding: 8px 10px; font-size: 14px;
  border: 1px solid var(--c-border); border-radius: 6px; background: #fff;
}
.form textarea { min-height: 90px; resize: vertical; }
.form .row > * { min-width: 0; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; font-size: 13px; }
.flash.success { background: #e6f5ec; color: #1d6e3a; }
.flash.error { background: #fce4e0; color: #802a1f; }

.tag {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  background: #eef2f6; color: #555; font-size: 11px; margin-right: 4px;
}
.tag.iron { background: #fff7d6; color: #8a6d3b; }
.tag.black { background: #2a2a2a; color: #fff; }
.tag.local { background: #d8eedc; color: #1d6e3a; }

.support-bar {
  display: inline-block; height: 8px; border-radius: 4px; vertical-align: middle;
}

.toolbar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin-bottom: 14px;
}
.toolbar input[type=search], .toolbar input[type=number], .toolbar select {
  padding: 6px 10px; border: 1px solid var(--c-border); border-radius: 6px;
  min-height: 32px;
}
.toolbar label { display: inline-flex; align-items: center; gap: 6px; }

/* 表格列內的操作按鈕群（編輯／刪除…）*/
.actions {
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
}

/* 表單底部的儲存／取消／刪除按鈕群 */
.form-actions {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin-top: 24px;
}
.form-actions .right { margin-left: auto; }

/* 行內按鈕群（卡片內、不在 .toolbar / .actions 之內）*/
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

/* form inside flex parent — 讓 form-wrapped buttons 跟 .btn 對齊 */
.toolbar > form, .actions > form, .form-actions > form, .btn-row > form {
  display: inline-flex; align-items: center; gap: 8px; margin: 0;
}

/* btn-row 的元素垂直居中、間距一致；常用於行內 form 列表 */
.btn-row { gap: 8px; }
.btn-row input[type=text], .btn-row input[type=number],
.btn-row input[type=tel], .btn-row input[type=url],
.btn-row select, .btn-row input[type=search] {
  padding: 6px 10px; min-height: 36px; border: 1px solid var(--c-border);
  border-radius: 6px; background: #fff;
}
.btn-row input[type=file] { font-size: 13px; }

/* topbar 排版一致 */
.topbar .btn-row { gap: 10px; flex-wrap: wrap; }
.topbar .user { font-size: 13px; color: #555; }
.topbar .branch-pill { white-space: nowrap; }

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .main { padding: 16px; }
  .topbar { flex-wrap: wrap; gap: 6px; }
}

/* support badges */
.s-1 { background:#c0392b; color:#fff; }
.s-2 { background:#e67e22; color:#fff; }
.s-3 { background:#7f8c8d; color:#fff; }
.s-4 { background:#27ae60; color:#fff; }
.s-5 { background:#16a085; color:#fff; }
.score-badge {
  display:inline-block; min-width:20px; padding:2px 6px; border-radius:4px;
  text-align:center; font-size:11px;
}