/* ============================================================
   style.css - 人脸识别考勤系统样式
   ============================================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', sans-serif;
  -webkit-font-smoothing: antialiased;
  background: #f0f2f5;
  color: #333;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-thumb {
  background: rgba(128, 128, 128, 0.4);
  border-radius: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}

/* ========== 认证页面 ========== */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  padding: 40px 36px;
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.auth-title {
  font-size: 22px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 6px;
}

.auth-subtitle {
  font-size: 14px;
  color: #888;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.auth-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: #888;
}

.auth-footer a {
  color: #667eea;
  text-decoration: none;
  font-weight: 500;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* ========== 表单组件 ========== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: #444;
}

.input {
  width: 100%;
  padding: 10px 14px;
  font-size: 15px;
  border: 1px solid #d9d9d9;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.input::placeholder {
  color: #bbb;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 500;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

/* ========== Toast 提示 ========== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  animation: toastIn 0.3s ease;
  max-width: 360px;
}

.toast-success { background: #52c41a; }
.toast-error { background: #ff4d4f; }
.toast-warning { background: #faad14; color: #333; }
.toast-info { background: #1890ff; }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ========== 卡片 ========== */
.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* ========== 页面容器 ========== */
.page-container {
  padding: 20px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
}

/* 统计卡片网格 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
}