/* ============================================
   数工匠 · 管理后台
   ============================================ */

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

:root {
  --primary: #1a365d;
  --primary-light: #2c5282;
  --primary-dark: #0d1f3c;
  --accent: #3182ce;
  --bg: #f7fafc;
  --card: #ffffff;
  --text: #1a202c;
  --text-light: #718096;
  --border: #e2e8f0;
  --success: #38a169;
  --warning: #dd6b20;
  --danger: #e53e3e;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* ===== 登录页 ===== */
#loginPage {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--accent) 100%);
}

.login-box {
  background: var(--card);
  padding: 48px 40px;
  border-radius: 16px;
  width: 380px;
  max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  text-align: center;
}

.login-box .logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px;
}

.logo-symbol {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  font-size: 26px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(26,54,93,0.3);
}

.logo-symbol.small {
  width: 34px;
  height: 34px;
  font-size: 18px;
  border-radius: 8px;
  flex-shrink: 0;
}

.login-box .logo-text {
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2px;
}

.login-box h2 {
  color: var(--text-light);
  font-size: 14px;
  font-weight: 400;
  margin-bottom: 32px;
}

.login-box input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  margin-bottom: 16px;
  transition: border-color 0.2s;
}

.login-box input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-box button {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  letter-spacing: 6px;
}

.login-box button:hover {
  opacity: 0.9;
}

.login-box .hint {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-light);
}

/* ===== 布局 ===== */
.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 210px;
  background: var(--primary-dark);
  color: white;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 2px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.side-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 20px;
  border: none;
  background: none;
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
}

.nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
}

.nav-item.active {
  background: rgba(49,130,206,0.25);
  color: #fff;
  border-left: 3px solid var(--accent);
}

.nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.sidebar-user {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.user-name {
  font-size: 14px;
  font-weight: 600;
}

.user-role {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
}

.btn-logout {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  flex-shrink: 0;
}

.btn-logout:hover {
  background: rgba(255,255,255,0.2);
}

.main-content {
  flex: 1;
  margin-left: 210px;
  padding: 24px;
  min-height: 100vh;
}

/* ===== 内容 ===== */
.content {
  max-width: 1100px;
  margin: 0 auto;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
}

.section {
  background: var(--card);
  border-radius: 12px;
  padding: 20px;
  margin-top: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.section h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-header .page-title {
  margin-bottom: 0;
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* ===== 统计卡片 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-card {
  background: var(--card);
  border-radius: 12px;
  padding: 24px 20px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.stat-card.warning .stat-num {
  color: var(--warning);
}

.stat-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 6px;
}

/* ===== 卡片列表 ===== */
.card-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-card {
  background: var(--card);
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.project-card h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.project-card .badge {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  background: var(--success);
  color: white;
  flex-shrink: 0;
}

.project-card .badge.suspended {
  background: var(--warning);
}

.project-info {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-light);
  flex-wrap: wrap;
}

.project-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.btn-small {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  border: 1px solid var(--border);
  background: white;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-small:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-small.primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.btn-small.primary:hover {
  opacity: 0.85;
  color: white;
}

.btn-small.danger {
  color: var(--danger);
}

.btn-small.danger:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* ===== 班次 ===== */
.shift-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 16px 0 20px;
}

.shift-btn {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.shift-btn:hover,
.shift-btn.active {
  border-color: var(--accent);
  background: rgba(49, 130, 206, 0.05);
}

.shift-icon {
  font-size: 32px;
  display: block;
  margin-bottom: 8px;
}

.shift-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  display: block;
}

.shift-time {
  font-size: 12px;
  color: var(--text-light);
  display: block;
  margin-top: 4px;
}

/* ===== 工人选择 ===== */
.worker-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.worker-item {
  background: var(--bg);
  border: 2px solid transparent;
  border-radius: 8px;
  padding: 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.worker-item:hover,
.worker-item.selected {
  border-color: var(--accent);
  background: rgba(49, 130, 206, 0.08);
}

.worker-item .name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.worker-item .role {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 2px;
}

/* ===== 打卡按钮 ===== */
.btn-checkin {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 20px;
  transition: opacity 0.2s;
}

.btn-checkin:disabled {
  background: #cbd5e0;
  cursor: not-allowed;
}

.btn-checkin:not(:disabled):hover {
  opacity: 0.9;
}

/* ===== 考勤明细 ===== */
.date-selector {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
  padding: 12px;
  background: var(--card);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.btn-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: white;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s;
}

.btn-icon:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.attendance-shift {
  margin-bottom: 16px;
}

.attendance-shift h4 {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.attendance-shift h4 .count {
  background: var(--primary);
  color: white;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
}

.worker-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.worker-tag {
  background: var(--bg);
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 13px;
}

/* ===== 弹窗 ===== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}

.modal-content {
  background: var(--card);
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 420px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.modal-content h3 {
  font-size: 18px;
  margin-bottom: 20px;
  text-align: center;
}

.modal-content input,
.modal-content select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  margin-bottom: 12px;
  font-family: inherit;
}

.modal-content input:focus,
.modal-content select:focus {
  outline: none;
  border-color: var(--accent);
}

.modal-buttons {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.modal-buttons button {
  flex: 1;
  padding: 12px;
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
  font-family: inherit;
}

.btn-cancel {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-confirm {
  background: var(--accent);
  border: none;
  color: white;
}

.btn-confirm:hover {
  opacity: 0.9;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 300;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  animation: fadeIn 0.25s;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ===== 通用按钮 ===== */
.btn-primary {
  padding: 10px 18px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.2s;
}

.btn-primary:hover {
  opacity: 0.9;
}

/* ===== 下拉选择 ===== */
.form-select {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: white;
  font-family: inherit;
  cursor: pointer;
}

.form-select:focus {
  outline: none;
  border-color: var(--accent);
}

/* ===== 告警 ===== */
.alert-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.alert-item {
  background: #fffaf0;
  border-left: 4px solid var(--warning);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  font-size: 14px;
}

/* ===== 考勤列表 ===== */
.attendance-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.attendance-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg);
  border-radius: 8px;
}

.attendance-item .project {
  font-size: 15px;
  font-weight: 500;
}

.attendance-item .stats {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 2px;
}

.attendance-item .rate {
  font-size: 14px;
  color: var(--success);
  font-weight: 600;
}

/* ===== 报表 ===== */
.report-filters {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.report-filters input {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}

.report-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.report-content th,
.report-content td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.report-content th {
  background: var(--bg);
  font-weight: 600;
}

.report-content tbody tr:hover {
  background: var(--bg);
}

/* ===== 表单 ===== */
.form-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0;
}

.form-row label {
  font-size: 14px;
  color: var(--text-light);
  min-width: 40px;
}

.form-row input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}

.form-row input:focus {
  outline: none;
  border-color: var(--accent);
}

.form-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 8px;
}

.admin-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  max-height: 150px;
  overflow-y: auto;
}

.admin-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.admin-checkbox:hover {
  border-color: var(--accent);
}

.admin-checkbox.selected {
  background: rgba(49, 130, 206, 0.1);
  border-color: var(--accent);
  color: var(--accent);
}

.admin-checkbox input {
  display: none;
}

/* ===== 辅助 ===== */
.text-light { color: var(--text-light); }
.text-center { text-align: center; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .sidebar {
    width: 64px;
  }

  .sidebar-logo span {
    display: none;
  }

  .sidebar-logo {
    justify-content: center;
    padding: 16px 0;
  }

  .nav-item {
    justify-content: center;
    padding: 14px 0;
  }

  .nav-item span:last-child {
    display: none;
  }

  .nav-icon {
    font-size: 20px;
  }

  .sidebar-user {
    flex-direction: column;
    padding: 12px 4px;
  }

  .user-info {
    display: none;
  }

  .btn-logout {
    font-size: 11px;
    padding: 5px 8px;
  }

  .main-content {
    margin-left: 64px;
    padding: 16px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .worker-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .shift-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-title {
    font-size: 18px;
  }
}