/* styles.css — owldesk 设备管理后台样式（亮色调） */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #1f2d3d;
  --muted: #8492a6;
  --border: #e3e8ef;
  --primary: #4f8cff;
  --primary-dark: #3a78f0;
  --danger: #ff5b5b;
  --ok: #34c759;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(31,45,61,.06);
}
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

/* 顶栏 */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo { font-size: 24px; }
.title { font-size: 18px; font-weight: 700; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.search-input {
  width: 280px; padding: 8px 12px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; outline: none; background: #fafcff;
}
.search-input:focus { border-color: var(--primary); }

/* 按钮 */
.btn {
  padding: 8px 14px; border: none; border-radius: 8px; cursor: pointer;
  font-size: 14px; font-weight: 500; transition: all .15s; display: inline-flex; align-items: center; gap: 4px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: #eef3fb; color: var(--text); }
.btn-ghost:hover { background: #e0e8f5; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #f04646; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-connect {
  background: var(--ok); color: #fff; font-weight: 600;
}
.btn-connect:hover { background: #2bb24c; }

/* 分组 Tab */
.group-tabs {
  display: flex; align-items: center; gap: 6px; padding: 12px 24px;
  background: var(--card); border-bottom: 1px solid var(--border);
  overflow-x: auto; flex-wrap: nowrap;
}
.group-tab {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 20px; cursor: pointer; white-space: nowrap;
  border: 2px solid transparent; background: #f0f3f8; color: var(--muted);
  font-weight: 500; transition: all .15s; user-select: none;
}
.group-tab .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.group-tab.active { color: #fff; }
.group-tab .tab-edit { opacity: .5; font-size: 12px; margin-left: 4px; }
.group-tab .tab-edit:hover { opacity: 1; }
.group-tab-add {
  border: 2px dashed var(--border); background: transparent; color: var(--muted);
  padding: 7px 14px; border-radius: 20px; cursor: pointer;
}
.group-tab-add:hover { border-color: var(--primary); color: var(--primary); }

/* 设备工具栏 */
.device-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px 8px;
}
.toolbar-left { display: flex; align-items: baseline; gap: 10px; }
.toolbar-right { display: flex; align-items: center; gap: 12px; }
.current-group-name { font-size: 16px; font-weight: 600; }
.device-count {
  font-size: 13px; color: var(--muted); font-weight: 500;
  background: #eef3fb; padding: 2px 10px; border-radius: 10px;
}

/* 视图切换 */
.view-switch {
  display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: #fafcff;
}
.view-btn {
  padding: 6px 12px; border: none; background: transparent; cursor: pointer;
  font-size: 13px; color: var(--muted); transition: all .15s;
}
.view-btn:hover { color: var(--text); }
.view-btn.active { background: var(--primary); color: #fff; }

/* 设备表格 */
.device-main { padding: 0 24px 40px; }
.device-table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.device-table th, .device-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.device-table th { background: #fafcff; font-weight: 600; color: var(--muted); font-size: 13px; }
.device-table tbody tr { cursor: pointer; transition: background .12s; }
.device-table tbody tr:hover { background: #f6faff; }
.device-table tbody tr:last-child td { border-bottom: none; }
.device-no { font-family: "SF Mono", Consolas, monospace; font-weight: 600; color: var(--primary); }
.device-actions { display: flex; gap: 6px; }
.empty-hint { text-align: center; color: var(--muted); padding: 40px; }

/* 设备卡片视图 */
.device-cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px; padding-bottom: 40px;
}
.device-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px; cursor: pointer; transition: transform .15s, box-shadow .15s;
  border: 1px solid transparent; display: flex; flex-direction: column; gap: 6px;
  user-select: none; -webkit-user-select: none;
}
.device-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(31,45,61,.12); border-color: var(--primary); }
.device-card .card-nickname {
  font-size: 16px; font-weight: 700; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.device-card .card-device-no {
  font-size: 12px; color: var(--muted); font-family: "SF Mono", Consolas, monospace;
}
.device-card .card-hint { font-size: 11px; color: var(--muted); margin-top: 4px; }

/* 模态框 */
.modal-mask {
  position: fixed; inset: 0; background: rgba(31,45,61,.35);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
/* hidden 属性优先级高于 display:flex，避免遮罩层在未调用 openModal 时误显示 */
.modal-mask[hidden] { display: none; }
.modal {
  background: var(--card); border-radius: 14px; width: 420px; max-width: 92vw;
  box-shadow: 0 12px 40px rgba(0,0,0,.18); overflow: hidden; animation: pop .15s ease;
}
@keyframes pop { from { transform: scale(.96); opacity: .6; } to { transform: scale(1); opacity: 1; } }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-title { font-size: 16px; font-weight: 700; }
.modal-close { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--muted); line-height: 1; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; padding: 12px 20px; border-top: 1px solid var(--border); }

/* 表单 */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; font-size: 13px; color: var(--text); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; outline: none; font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); }
.form-group .hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.color-palette { display: flex; gap: 8px; flex-wrap: wrap; }
.color-swatch {
  width: 28px; height: 28px; border-radius: 50%; cursor: pointer; border: 3px solid transparent;
}
.color-swatch.selected { border-color: var(--text); transform: scale(1.1); }
.confirm-text { font-size: 14px; line-height: 1.6; }
.confirm-text strong { color: var(--danger); }
.confirm-actions { display: flex; gap: 10px; margin-top: 16px; }

/* Toast */
.toast {
  position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%);
  background: #1f2d3d; color: #fff; padding: 12px 22px; border-radius: 8px;
  font-size: 14px; z-index: 200; box-shadow: 0 6px 20px rgba(0,0,0,.25);
  animation: toastIn .2s ease;
}
.toast.error { background: var(--danger); }
.toast.success { background: var(--ok); }
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 10px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* 拖拽中 */
.group-tab.dragging { opacity: .4; }
.group-tab.drag-over { outline: 2px dashed var(--primary); outline-offset: 2px; }