/* ===== 莫兰迪配色系统 ===== */
/* 莫兰迪色系特点：低饱和度、灰调柔和、高级感 */

:root {
  /* 莫兰迪色板 - OKLCH 色彩空间 */
  --morandi-rose: oklch(72% 0.07 12);
  --morandi-rose-light: oklch(88% 0.03 12);
  --morandi-rose-dark: oklch(52% 0.06 12);
  
  --morandi-sage: oklch(72% 0.05 155);
  --morandi-sage-light: oklch(90% 0.02 155);
  --morandi-sage-dark: oklch(50% 0.05 155);
  
  --morandi-slate: oklch(65% 0.03 250);
  --morandi-slate-light: oklch(85% 0.015 250);
  --morandi-slate-dark: oklch(45% 0.03 250);
  
  --morandi-sand: oklch(78% 0.05 75);
  --morandi-sand-light: oklch(92% 0.02 75);
  --morandi-sand-dark: oklch(58% 0.05 75);
  
  --morandi-lavender: oklch(72% 0.05 300);
  --morandi-lavender-light: oklch(88% 0.025 300);
  
  --morandi-blue: oklch(65% 0.06 240);
  --morandi-blue-light: oklch(85% 0.03 240);
  --morandi-blue-dark: oklch(45% 0.06 240);

  /* 中性色 - 带暖调的莫兰迪灰 */
  --text-primary: oklch(22% 0.015 60);
  --text-secondary: oklch(42% 0.01 60);
  --text-muted: oklch(62% 0.008 60);
  --text-inverse: oklch(96% 0.005 60);

  /* 背景层 */
  --bg-base: oklch(95% 0.008 75);
  --bg-elevated: oklch(97% 0.005 75);
  --bg-overlay: oklch(92% 0.01 75);

  /* 语义色 */
  --color-success: oklch(65% 0.08 155);
  --color-warning: oklch(75% 0.1 75);
  --color-error: oklch(60% 0.1 15);
  --color-info: oklch(65% 0.07 240);

  /* 间距系统 - 4pt 基准 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* 玻璃拟态 */
  --glass-bg: oklch(100% 0 0 / 0.45);
  --glass-border: oklch(100% 0 0 / 0.25);
  --glass-shadow: 0 8px 32px oklch(22% 0.015 60 / 0.08);
  --glass-blur: blur(20px) saturate(180%);

  /* 字体 */
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  /* 排版 */
  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 0.9375rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;

  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  /* 过渡 */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition-normal: 250ms var(--ease-out);
  --transition-slow: 400ms var(--ease-out-expo);
}

/* ===== 基础重置 ===== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-base);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== 莫兰迪渐变背景 ===== */

.morandi-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, oklch(78% 0.04 75 / 0.5), transparent),
    radial-gradient(ellipse 60% 80% at 90% 80%, oklch(72% 0.06 300 / 0.35), transparent),
    radial-gradient(ellipse 70% 50% at 50% 50%, oklch(72% 0.04 155 / 0.3), transparent),
    radial-gradient(ellipse 90% 40% at 80% 10%, oklch(75% 0.05 240 / 0.2), transparent),
    linear-gradient(160deg, oklch(95% 0.008 75) 0%, oklch(92% 0.012 75) 100%);
}

/* ===== 玻璃拟态组件 ===== */

.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
}

.glass-card {
  background: oklch(100% 0 0 / 0.5);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid oklch(100% 0 0 / 0.3);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 16px oklch(22% 0.015 60 / 0.06);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px oklch(22% 0.015 60 / 0.1);
}

.glass-input {
  background: oklch(100% 0 0 / 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid oklch(100% 0 0 / 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--text-primary);
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.glass-input::placeholder {
  color: var(--text-muted);
}

.glass-input:focus {
  border-color: var(--morandi-blue);
  box-shadow: 0 0 0 3px oklch(65% 0.07 240 / 0.15);
}

.glass-input.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px oklch(60% 0.1 15 / 0.12);
}

.glass-select {
  appearance: none;
  -webkit-appearance: none;
  background: oklch(100% 0 0 / 0.4) url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23888' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 12px center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid oklch(100% 0 0 / 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-8) var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--text-primary);
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.glass-select:focus {
  border-color: var(--morandi-blue);
  box-shadow: 0 0 0 3px oklch(65% 0.07 240 / 0.15);
}

.glass-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: inherit;
  font-size: var(--text-base);
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
  min-width: 44px;
  -webkit-user-select: none;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.glass-btn:active {
  transform: scale(0.97);
}

.glass-btn:focus-visible {
  outline: 2px solid var(--morandi-blue);
  outline-offset: 2px;
}

/* 主要按钮 - 莫兰迪蓝 */
.glass-btn-primary {
  background: var(--morandi-blue);
  color: var(--text-inverse);
  border-color: var(--morandi-blue);
  box-shadow: 0 2px 8px oklch(65% 0.07 240 / 0.3);
}

.glass-btn-primary:hover {
  background: var(--morandi-blue-dark);
  border-color: var(--morandi-blue-dark);
  box-shadow: 0 4px 16px oklch(65% 0.07 240 / 0.4);
}

.glass-btn-primary:active {
  background: oklch(40% 0.06 240);
}

/* 次要按钮 - 玻璃风格 */
.glass-btn-secondary {
  background: oklch(100% 0 0 / 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-primary);
  border-color: oklch(100% 0 0 / 0.3);
}

.glass-btn-secondary:hover {
  background: oklch(100% 0 0 / 0.5);
  border-color: oklch(100% 0 0 / 0.4);
}

/* 危险按钮 */
.glass-btn-danger {
  background: oklch(100% 0 0 / 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--color-error);
  border-color: oklch(100% 0 0 / 0.3);
}

.glass-btn-danger:hover {
  background: oklch(60% 0.1 15 / 0.15);
  color: oklch(35% 0.1 15);
}

/* 幽灵按钮 */
.glass-btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: var(--space-2) var(--space-3);
}

.glass-btn-ghost:hover {
  color: var(--text-primary);
  background: oklch(100% 0 0 / 0.2);
}

/* 小按钮 */
.glass-btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  min-height: 36px;
  border-radius: var(--radius-sm);
}

/* ===== 玻璃面板/弹窗 ===== */

.glass-modal-overlay {
  position: fixed;
  inset: 0;
  background: oklch(22% 0.015 60 / 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 400;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.glass-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.glass-modal {
  background: oklch(97% 0.005 75 / 0.92);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid oklch(100% 0 0 / 0.3);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
  padding: var(--space-6);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.glass-modal-overlay.active .glass-modal {
  transform: translateY(0);
}

.glass-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.glass-modal-header h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
}

.glass-modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: oklch(100% 0 0 / 0.3);
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.glass-modal-close:hover {
  background: oklch(100% 0 0 / 0.5);
  color: var(--text-primary);
}

/* ===== Toast 通知 ===== */

.toast-container {
  position: fixed;
  top: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
  width: calc(100% - var(--space-8));
  max-width: 400px;
}

.toast {
  background: oklch(97% 0.005 75 / 0.9);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid oklch(100% 0 0 / 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-primary);
  box-shadow: 0 4px 16px oklch(22% 0.015 60 / 0.1);
  animation: toastIn 0.3s var(--ease-out-expo), toastOut 0.3s var(--ease-out) 2.7s forwards;
  pointer-events: auto;
}

.toast.toast-success {
  border-left: 3px solid var(--color-success);
}

.toast.toast-error {
  border-left: 3px solid var(--color-error);
}

.toast.toast-warning {
  border-left: 3px solid var(--color-warning);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-12px); }
}

/* ===== 表单 ===== */

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-1);
  letter-spacing: 0.02em;
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
}

/* ===== 表格 ===== */

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--text-sm);
}

.data-table th {
  background: oklch(100% 0 0 / 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: var(--space-3) var(--space-3);
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 2;
}

.data-table td {
  padding: var(--space-3);
  border-bottom: 1px solid oklch(100% 0 0 / 0.15);
  color: var(--text-primary);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: oklch(100% 0 0 / 0.15);
}

/* ===== 统计卡片 ===== */

.stat-card {
  background: oklch(100% 0 0 / 0.45);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid oklch(100% 0 0 / 0.25);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: 0 4px 16px oklch(22% 0.015 60 / 0.05);
}

.stat-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-1);
}

.stat-value {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.stat-value.accent {
  color: var(--morandi-blue-dark);
}

/* ===== 标签 ===== */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: 20px;
  white-space: nowrap;
}

.tag-admin {
  background: oklch(75% 0.06 300 / 0.2);
  color: oklch(45% 0.06 300);
}

.tag-staff {
  background: oklch(75% 0.06 155 / 0.2);
  color: oklch(42% 0.06 155);
}

.tag-success {
  background: oklch(75% 0.08 155 / 0.2);
  color: oklch(42% 0.08 155);
}

.tag-warning {
  background: oklch(80% 0.1 75 / 0.25);
  color: oklch(48% 0.1 75);
}

/* ===== 空状态 ===== */

.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-3);
  opacity: 0.5;
}

.empty-state-text {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* ===== 搜索框 ===== */

.search-bar {
  position: relative;
}

.search-bar .search-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-bar .glass-input {
  padding-left: 2.5rem;
}

/* ===== 底部导航 ===== */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: oklch(97% 0.005 75 / 0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-top: 1px solid oklch(100% 0 0 / 0.2);
  display: flex;
  justify-content: space-around;
  padding: var(--space-2) 0;
  padding-bottom: max(var(--space-2), env(safe-area-inset-bottom));
  z-index: 200;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-2) var(--space-4);
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 500;
  font-family: inherit;
  transition: color var(--transition-fast);
  -webkit-user-select: none;
  user-select: none;
  min-height: 44px;
}

.nav-item svg {
  width: 22px;
  height: 22px;
  transition: transform var(--transition-fast);
}

.nav-item.active {
  color: var(--morandi-blue);
}

.nav-item.active svg {
  transform: scale(1.1);
}

/* ===== 页面头部 ===== */

.page-header {
  padding: var(--space-5) var(--space-4) var(--space-4);
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(95% 0.008 75 / 0.75);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
}

.page-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.page-subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

/* ===== 页面内容区 ===== */

.page-content {
  padding: var(--space-4);
  padding-bottom: calc(80px + env(safe-area-inset-bottom));
}

/* ===== 加载动画 ===== */

.spinner {
  width: 24px;
  height: 24px;
  border: 2.5px solid oklch(100% 0 0 / 0.3);
  border-top-color: var(--morandi-blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
}

/* ===== 分隔线 ===== */

.divider {
  height: 1px;
  background: oklch(100% 0 0 / 0.12);
  margin: var(--space-4) 0;
}

/* ===== 确认对话框 ===== */

.confirm-dialog {
  text-align: center;
  padding: var(--space-6);
}

.confirm-dialog h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.confirm-dialog p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
  line-height: var(--leading-relaxed);
}

.confirm-dialog .btn-group {
  display: flex;
  gap: var(--space-3);
}

.confirm-dialog .btn-group .glass-btn {
  flex: 1;
}

/* ===== 实用类 ===== */

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.flex-1 { flex: 1; }
.flex-wrap { flex-wrap: wrap; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.w-full { width: 100%; }
.hidden { display: none; }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}