:root {
  --primary: #1B7BF7;
  --primary-dark: #1668D6;
  --primary-light: #E9F2FE;
  --bg: #F4F7FC;
  --card: #FFFFFF;
  --text: #1F2A44;
  --muted: #6B7A99;
  --border: #E4ECF9;
  --success: #17A673;
  --success-bg: #E6F7F1;
  --warn: #E8890C;
  --warn-bg: #FDF3E6;
  --danger: #E24B4A;
  --danger-bg: #FDECEC;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

button, input, select, textarea {
  font-family: inherit;
  font-size: 14px;
  color: inherit;
}

/* 登录 */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #EAF2FE 0%, #F4F7FC 60%);
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border-radius: 14px;
  padding: 32px 28px;
  box-shadow: 0 8px 30px rgba(27, 123, 247, 0.10);
}
.login-title { font-size: 20px; font-weight: 500; margin: 0 0 4px; }
.login-sub { color: var(--muted); font-size: 13px; margin: 0 0 24px; }

/* 布局 */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 200px;
  flex-shrink: 0;
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.sidebar-brand {
  padding: 20px 18px;
  border-bottom: 1px solid var(--border);
}
.sidebar-brand .name { font-size: 15px; font-weight: 500; }
.sidebar-brand .sub { font-size: 12px; color: var(--muted); }
.nav { padding: 10px 0; flex: 1; }
.nav a {
  display: block;
  padding: 11px 18px;
  color: var(--muted);
  text-decoration: none;
  border-left: 3px solid transparent;
}
.nav a:hover { background: var(--bg); color: var(--text); }
.nav a.active {
  color: var(--primary);
  background: var(--primary-light);
  border-left-color: var(--primary);
  font-weight: 500;
}
.sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 58px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  flex-shrink: 0;
}
.topbar h1 { font-size: 16px; font-weight: 500; margin: 0; }
.topbar .right { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); }
.content { padding: 24px; flex: 1; overflow-x: auto; }

/* 卡片与表格 */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 18px;
}
.card-head {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.card-head h2 { font-size: 15px; font-weight: 500; margin: 0; }
.card-body { padding: 18px; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.stat .label { font-size: 12px; color: var(--muted); }
.stat .value { font-size: 24px; font-weight: 500; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; background: #FAFCFF; }
tbody tr:hover { background: #FAFCFF; }
td.empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* 控件 */
.btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 14px;
  cursor: pointer;
  transition: all .15s;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #FFF; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #FFF; }
.btn-danger { color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); background: var(--danger-bg); color: var(--danger); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.input, .select, .textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  background: var(--card);
  outline: none;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--primary); }
.textarea { min-height: 110px; resize: vertical; line-height: 1.6; }
.textarea-tall { min-height: 320px; font-family: inherit; }

.form-row { display: flex; gap: 14px; margin-bottom: 14px; flex-wrap: wrap; }
.form-item { flex: 1; min-width: 160px; }
.form-item label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 5px; }

.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.toolbar .input, .toolbar .select { width: auto; min-width: 150px; }

/* 标签 */
.tag {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 12px;
  background: var(--primary-light);
  color: var(--primary);
  margin: 0 4px 4px 0;
}
.status { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; }
.status-已预约, .status-待接诊 { background: var(--warn-bg); color: var(--warn); }
.status-已完成, .status-已结束 { background: var(--success-bg); color: var(--success); }
.status-已取消, .status-进行中 { background: var(--danger-bg); color: var(--danger); }
.status-已取消 { background: #F1EFE8; color: #5F5E5A; }

.avatar-sm { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; background: var(--primary-light); }
.avatar-preview {
  width: 96px; height: 96px; border-radius: 50%; object-fit: cover;
  background: var(--primary-light); border: 1px solid var(--border);
}
.avatar-ph {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--primary-light); color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 500;
}

.pager { display: flex; align-items: center; gap: 10px; justify-content: flex-end; padding: 12px 18px; font-size: 13px; color: var(--muted); }

.toast {
  position: fixed; top: 18px; left: 50%; transform: translateX(-50%);
  background: #1F2A44; color: #FFF; padding: 10px 18px; border-radius: 8px;
  font-size: 13px; z-index: 99; opacity: 0; pointer-events: none; transition: opacity .2s;
}
.toast.show { opacity: 1; }

.modal-mask {
  position: fixed; inset: 0; background: rgba(20, 30, 50, .45);
  display: flex; align-items: center; justify-content: center; padding: 24px; z-index: 50;
}
.modal {
  background: var(--card); border-radius: 12px; width: 100%; max-width: 680px;
  max-height: 88vh; display: flex; flex-direction: column;
}
.modal-head {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-head h3 { margin: 0; font-size: 15px; font-weight: 500; }
.modal-body { padding: 20px; overflow-y: auto; }
.modal-foot {
  padding: 14px 20px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px;
}
.hint { font-size: 12px; color: var(--muted); margin-top: 6px; }

@media (max-width: 860px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); }
  .nav { display: flex; overflow-x: auto; padding: 0; }
  .nav a { border-left: none; border-bottom: 2px solid transparent; white-space: nowrap; }
  .nav a.active { border-left: none; border-bottom-color: var(--primary); }
  .sidebar-brand, .sidebar-footer { display: none; }
  .content { padding: 14px; }
}