:root {
  --primary-color: #0A84FF;
  --bg-color: #F5F5F7;
  --card-bg: #FFFFFF;
  --text-primary: #1D1D1F;
  --text-secondary: #86868B;
  --border-color: #E5E5EA;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.02);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.05);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: all 0.2s ease;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
  padding-left: 64px;
}

.sidebar {
  width: 64px;
  background-color: #1D1D1F;
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  z-index: 1000;
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  overflow-x: hidden;
  overflow-y: auto;
  transition: width 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.3s ease;
}

.sidebar:hover {
  width: 240px;
  box-shadow: 4px 0 24px rgba(0,0,0,0.3);
}

.sidebar-logo {
  padding: 0 20px 24px;
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 12px;
}

.nav-item {
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 16px;
  color: #A1A1A6;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-item:hover {
  background-color: #2C2C2E;
  color: #FFFFFF;
}

.nav-item.active {
  background-color: var(--primary-color);
  color: #FFFFFF;
}

.nav-item svg {
  width: 22px;
  height: 22px;
  min-width: 22px;
  fill: currentColor;
}

.nav-text {
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.sidebar:hover .nav-text {
  opacity: 1;
  pointer-events: auto;
  transition-delay: 0.1s;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}
.modal-overlay.active { display: flex; }
.modal-card {
  width: 500px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  position: relative;
}
.secondary-sidebar {
  width: 280px;
  background-color: var(--card-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  box-shadow: 2px 0 8px rgba(0,0,0,0.02);
}

.secondary-sidebar-header {
  padding: 24px 20px 16px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 16px;
}

.job-list-menu {
  display: flex;
  flex-direction: column;
  padding: 0 12px 16px;
  gap: 8px;
}

.job-list-item {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  border-left: 4px solid transparent;
  display: flex;
  align-items: center;
  gap: 10px;
}

.job-list-item::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background-color: #E5E5EA;
  transition: background-color 0.2s ease;
}

.job-list-item:hover {
  background-color: var(--bg-color);
  color: var(--text-primary);
}

.job-list-item.active {
  background-color: #F4F8FF;
  border-color: #D0E1FF;
  border-left-color: var(--primary-color);
  color: var(--primary-color);
}

.job-list-item.active::before {
  background-color: var(--primary-color);
  box-shadow: 0 0 8px rgba(10, 132, 255, 0.4);
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.header {
  height: 64px;
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}

.header-search input {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background-color: var(--bg-color);
  width: 300px;
  outline: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.page-content {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
}

.page-title {
  margin-top: 0;
  margin-bottom: 24px;
  font-size: 24px;
  font-weight: 600;
}

/* Common UI */
.card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  border: 1px solid var(--border-color);
}

.btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  cursor: pointer;
  font-weight: 500;
  font-size: 14px;
  background-color: var(--card-bg);
  color: var(--text-primary);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 8px;
}

.btn:hover {
  background-color: var(--bg-color);
}

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

.btn-primary:hover {
  background-color: #0071E3;
}

/* Auth Pages */
.auth-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: var(--bg-color);
}

.auth-card {
  width: 400px;
  text-align: center;
}

.auth-logo {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.auth-subtitle {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-sizing: border-box;
  font-size: 14px;
  outline: none;
}

.form-group input:focus {
  border-color: var(--primary-color);
}

.auth-form .btn {
  width: 100%;
  justify-content: center;
  padding: 12px;
  margin-top: 8px;
}

.auth-links {
  margin-top: 24px;
  font-size: 14px;
}

.auth-links a {
  color: var(--primary-color);
  text-decoration: none;
}

/* Dashboard Grid */
.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.metric-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.metric-title {
  color: var(--text-secondary);
  font-size: 14px;
}

.metric-value {
  font-size: 32px;
  font-weight: 600;
}

.metric-trend {
  font-size: 12px;
  color: #34C759;
}

.dashboard-sections {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.section-title {
  font-size: 16px;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: 16px;
}

.task-list, .job-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.task-item, .job-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.task-item:last-child, .job-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.tag {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}
.tag-blue { background-color: #EBF5FF; color: var(--primary-color); }
.tag-green { background-color: #E8F8F5; color: #00B06B; }

/* Modern Drawer (Slide-over) */
.drawer-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.drawer {
  position: fixed;
  top: 0;
  right: -800px;
  width: 800px;
  max-width: 100vw;
  height: 100vh;
  background: var(--card-bg);
  box-shadow: -4px 0 24px rgba(0,0,0,0.1);
  z-index: 2001;
  transition: right 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.drawer.active {
  right: 0;
}

.drawer-header {
  padding: 20px 32px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-title {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
}

.drawer-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background-color 0.2s ease;
}

.drawer-close:hover {
  background-color: var(--bg-color);
  color: var(--text-primary);
}

.drawer-body {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.drawer-form {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
}

.drawer-sidebar {
  width: 320px;
  background: #FAFAFC;
  border-left: 1px solid var(--border-color);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
}

.drawer-footer {
  padding: 20px 32px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: var(--card-bg);
}

/* Global Toast Notification */
.toast {
  position: fixed;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card-bg);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  z-index: 4000;
  display: flex;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  border: 1px solid var(--border-color);
}

.toast.active {
  top: 32px;
  opacity: 1;
}

.toast-success svg {
  color: #34C759;
}

.toast-error svg {
  color: #FF3B30;
}

.toast-info svg {
  color: var(--primary-color);
}

/* Modern Confirm Modal */
.confirm-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.confirm-modal {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.16);
  width: 400px;
  max-width: 90vw;
  padding: 32px;
  text-align: center;
  transform: scale(0.95);
  opacity: 0;
  transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.2s ease;
}

.confirm-modal.active {
  transform: scale(1);
  opacity: 1;
}