/* Body&Mind - Main Stylesheet */

:root {
  /* Primary Colors */
  --navy: #1a2332;
  --navy-light: #243447;
  --navy-dark: #0d1117;
  
  /* Accent Colors */
  --cyan: #00d4ff;
  --cyan-dark: #0099cc;
  --cyan-glow: rgba(0, 212, 255, 0.3);
  
  --orange: #ff6b35;
  --orange-dark: #e55a2b;
  
  /* Status Colors */
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #eab308;
  --purple: #a855f7;
  --blue: #3b82f6;
  
  /* Neutrals */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #1a2332;
  --surface: #21262d;
  --border: #30363d;
  
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--cyan-glow);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
  
  /* Sidebar width */
  --sidebar-width: 260px;
  --sidebar-collapsed: 70px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--cyan-dark);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: var(--spacing-lg);
  padding-top: calc(60px + var(--spacing-lg));
  transition: margin-left var(--transition-normal);
}

.main-content.sidebar-collapsed {
  margin-left: var(--sidebar-collapsed);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: 60px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  z-index: 100;
  transition: left var(--transition-normal);
}

.header.sidebar-collapsed {
  left: var(--sidebar-collapsed);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Search */
.search-box {
  position: relative;
  width: 300px;
}

.search-box input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: 40px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.search-box input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: var(--shadow-glow);
}

.search-box .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* Notification Bell */
.notification-btn {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.notification-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.notification-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  background: var(--orange);
  border-radius: 50%;
}

/* User Menu */
.user-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.user-menu:hover {
  background: var(--bg-tertiary);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.875rem;
  font-weight: 500;
}

.user-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Role Badge */
.role-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

.role-badge.admin {
  background: rgba(168, 85, 247, 0.2);
  color: var(--purple);
}

.role-badge.user {
  background: rgba(0, 212, 255, 0.2);
  color: var(--cyan);
}

/* Sidebar */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: width var(--transition-normal);
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar-header {
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  border-bottom: 1px solid var(--border);
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--cyan), var(--orange));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
}

.sidebar-brand {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar.collapsed .sidebar-brand,
.sidebar.collapsed .nav-text,
.sidebar.collapsed .nav-badge {
  display: none;
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-md);
  overflow-y: auto;
}

.nav-section {
  margin-bottom: var(--spacing-lg);
}

.nav-section-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-xs);
}

.sidebar.collapsed .nav-section-title {
  display: none;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  margin-bottom: 2px;
}

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

.nav-item.active {
  background: rgba(0, 212, 255, 0.1);
  color: var(--cyan);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 24px;
  background: var(--cyan);
  border-radius: 0 2px 2px 0;
}

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-text {
  flex: 1;
  font-size: 0.9rem;
}

.nav-badge {
  padding: 2px 6px;
  background: var(--orange);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 600;
}

.sidebar-footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--border);
}

.sidebar-toggle {
  width: 100%;
  padding: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Cards */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-fast);
}

.card:hover {
  border-color: var(--cyan);
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Metric Cards */
.metric-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.metric-card.cyan::before { background: var(--cyan); }
.metric-card.orange::before { background: var(--orange); }
.metric-card.green::before { background: var(--green); }
.metric-card.purple::before { background: var(--purple); }
.metric-card.blue::before { background: var(--blue); }
.metric-card.red::before { background: var(--red); }

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.metric-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.metric-icon.cyan { background: rgba(0, 212, 255, 0.15); color: var(--cyan); }
.metric-icon.orange { background: rgba(255, 107, 53, 0.15); color: var(--orange); }
.metric-icon.green { background: rgba(34, 197, 94, 0.15); color: var(--green); }
.metric-icon.purple { background: rgba(168, 85, 247, 0.15); color: var(--purple); }
.metric-icon.blue { background: rgba(59, 130, 246, 0.15); color: var(--blue); }
.metric-icon.red { background: rgba(239, 68, 68, 0.15); color: var(--red); }

.metric-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.metric-change {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
}

.metric-change.positive { color: var(--green); }
.metric-change.negative { color: var(--red); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-dark));
  color: var(--navy-dark);
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  border-color: var(--cyan);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--red);
  border: 1px solid var(--red);
}

.btn-danger:hover {
  background: var(--red);
  color: white;
}

.btn-ghost {
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.8rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-glow);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b949e' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.form-checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--cyan);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  
  .main-content {
    margin-left: 0;
    padding: var(--spacing-md);
    padding-top: calc(60px + var(--spacing-md));
  }
  
  .header {
    left: 0;
  }
  
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
}

/* Tables */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.table tr:hover td {
  background: rgba(0, 212, 255, 0.05);
}

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

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

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

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-fast);
}

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

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

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

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  z-index: 2000;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  min-width: 300px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
.toast.warning { border-left: 3px solid var(--yellow); }
.toast.info { border-left: 3px solid var(--cyan); }

/* Week Navigation */
.week-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.week-nav-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.week-nav-btn:hover {
  background: var(--bg-tertiary);
  color: var(--cyan);
  border-color: var(--cyan);
}

.week-display {
  text-align: center;
}

.week-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.week-dates {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Task Grid (Spreadsheet Style) */
.task-grid {
  overflow-x: auto;
}

.task-grid table {
  width: 100%;
  border-collapse: collapse;
}

.task-grid th,
.task-grid td {
  padding: var(--spacing-sm);
  border: 1px solid var(--border);
  text-align: center;
  min-width: 50px;
}

.task-grid th {
  background: var(--bg-tertiary);
  font-weight: 600;
  font-size: 0.8rem;
}

.task-grid th.task-name-col {
  text-align: left;
  min-width: 200px;
}

.task-grid td.task-name {
  text-align: left;
  font-weight: 500;
}

.task-grid .category-badge {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: var(--spacing-xs);
}

.category-badge.physical { background: var(--orange); }
.category-badge.mental { background: var(--purple); }
.category-badge.financial { background: var(--green); }

.task-checkbox {
  width: 22px;
  height: 22px;
  accent-color: var(--cyan);
  cursor: pointer;
}

.task-checkbox:checked {
  animation: checkPop 0.2s ease;
}

@keyframes checkPop {
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

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

.empty-state-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

/* Tabs */
.tabs {
  display: flex;
  gap: var(--spacing-xs);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--spacing-lg);
}

.tab {
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.tab:hover {
  color: var(--text-primary);
}

.tab.active {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-secondary); }
.text-cyan { color: var(--cyan); }
.text-orange { color: var(--orange); }
.text-green { color: var(--green); }
.text-red { color: var(--red); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.hidden { display: none !important; }