/* UI-DESIGN-SPEC: 医疗蓝、专业洁净 */
:root {
  --bg: #F0F2F5;
  --card: #FFFFFF;
  --primary: #1890FF;
  --primary-alt: #0066CC;
  --primary-hover: #40a9ff;
  --text: #262626;
  --text-body: #595959;
  --text-muted: #8C8C8C;
  --border: #e2e8f0;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08);
  --color-success: #52C41A;
  --color-warning: #FAAD14;
  --color-danger: #FF4D4F;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

.nav {
  background: var(--card);
  padding: 12px 24px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav a {
  color: var(--text);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--radius);
}
.nav a:hover, .nav a.active { background: var(--bg); color: var(--primary); }

.container { max-width: 960px; margin: 0 auto; padding: 24px; }

h1 { font-size: 22px; margin: 0 0 20px; color: var(--text); }
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}

table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { font-weight: 600; color: var(--text-muted); font-size: 12px; text-transform: uppercase; }
tbody td { vertical-align: middle; }

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-size: 14px;
  text-decoration: none;
  color: #fff;
  background: var(--primary);
}
.btn:hover { background: var(--primary-hover); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-ghost { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-ghost:hover { background: rgba(24, 144, 255, .08); }
.btn-danger { background: var(--color-danger); }
.btn-danger:hover { background: #ff7875; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; color: var(--text-muted); font-size: 13px; }
.form-group input[type="text"],
.form-group input[type="url"],
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
}
.form-group textarea { min-height: 80px; resize: vertical; }
.form-group .checkbox-group { display: flex; flex-wrap: wrap; gap: 12px; }
.form-group .checkbox-group label { display: flex; align-items: center; gap: 6px; margin: 0; cursor: pointer; }
.perm-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.perm-row input { margin: 0; }
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
}

.avatar-preview { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; border: 1px solid var(--border); }
.actions { vertical-align: middle; }
.actions-inner { display: inline-flex; gap: 8px; flex-wrap: nowrap; align-items: center; white-space: nowrap; }
table td.actions { vertical-align: middle; }
table td.sort-cell { vertical-align: middle; white-space: nowrap; }
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal h2 { margin: 0 0 20px; font-size: 18px; }
.modal-actions { margin-top: 20px; display: flex; gap: 8px; justify-content: flex-end; }

.hide { display: none !important; }

.tag-input-wrap {
  display: flex; flex-wrap: wrap; gap: 6px; min-height: 24px; padding: 4px 0;
}
.tag-input-wrap .tag {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px;
  background: var(--primary); color: #fff; border-radius: 4px; font-size: 12px;
}
.tag-input-wrap .tag .tag-remove { cursor: pointer; opacity: .9; padding: 0 2px; }
.tag-input-wrap .tag .tag-remove:hover { opacity: 1; }

/* Switch 开关 */
.switch { position: relative; display: inline-block; width: 44px; height: 22px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch-slider { position: absolute; cursor: pointer; inset: 0; background: #d9d9d9; border-radius: 22px; transition: .3s; }
.switch-slider::before { content: ''; position: absolute; height: 18px; width: 18px; left: 2px; bottom: 2px; background: #fff; border-radius: 50%; transition: .3s; box-shadow: 0 2px 4px rgba(0,0,0,.2); }
.switch input:checked + .switch-slider { background: var(--primary); }
.switch input:checked + .switch-slider::before { transform: translateX(22px); }

/* Badge 徽标 */
.badge { display: inline-block; padding: 2px 8px; font-size: 12px; border-radius: 4px; }
.badge-processing { background: #e6f7ff; color: var(--primary); }
.badge-success { background: #f6ffed; color: var(--color-success); }
.badge-default { background: #f5f5f5; color: var(--text-muted); }
.badge-error { background: #fff2f0; color: var(--color-danger); }

/* Loading */
.loading-spinner { width: 24px; height: 24px; border: 2px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.skeleton { background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%); background-size: 200% 100%; animation: skeleton 1.5s ease-in-out infinite; }
@keyframes skeleton { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* Drawer 抽屉 */
.drawer-mask { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 100; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: 480px; max-width: 90vw; background: var(--card); box-shadow: -2px 0 8px rgba(0,0,0,.15); z-index: 101; overflow-y: auto; }

/* Toast */
.toast { position: fixed; top: 24px; left: 50%; transform: translateX(-50%); padding: 8px 16px; background: #262626; color: #fff; border-radius: 4px; font-size: 14px; z-index: 999; box-shadow: 0 4px 12px rgba(0,0,0,.15); }