/* MetricForge - Modern Dashboard CSS */

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #273548;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #334155;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --transition: all 0.2s ease;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 { font-weight: 600; line-height: 1.3; }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }

/* Layout */
.container { max-width: 1400px; margin: 0 auto; padding: 0 2rem; }
.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-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }
.grid { display: grid; }

/* Navbar */
.navbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

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

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

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-muted);
}

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

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--text-muted);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

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

/* Auth Pages */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: radial-gradient(ellipse at top, #1a1f35 0%, var(--bg-dark) 70%);
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem;
  width: 100%;
  max-width: 420px;
}

.auth-card h1 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

.auth-card p {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 2rem;
}

.auth-footer {
  margin-top: 1.5rem;
  text-align: center;
  color: var(--text-secondary);
}

/* Landing Page */
.hero {
  padding: 6rem 0;
  text-align: center;
  background: radial-gradient(ellipse at top, #1a1f35 0%, var(--bg-dark) 70%);
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.features {
  padding: 5rem 0;
}

.features h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.feature-card h3 {
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-secondary);
}

/* Pricing */
.pricing {
  padding: 5rem 0;
  background: var(--bg-dark);
}

.pricing h2 {
  text-align: center;
  margin-bottom: 1rem;
}

.pricing-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
}

.pricing-card.popular {
  border-color: var(--primary);
  transform: scale(1.02);
}

.pricing-card.popular::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 0.25rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.pricing-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-desc {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: bold;
}

/* Dashboard Layout */
.dashboard-layout {
  display: flex;
  min-height: calc(100vh - 65px);
}

.sidebar {
  width: 260px;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 1.5rem;
  position: fixed;
  height: calc(100vh - 65px);
  overflow-y: auto;
}

.sidebar-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.sidebar-nav {
  list-style: none;
  margin-bottom: 2rem;
}

.sidebar-nav li {
  margin-bottom: 0.25rem;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.sidebar-nav a:hover {
  background: var(--bg-dark);
  color: var(--text-primary);
}

.sidebar-nav a.active {
  background: var(--primary);
  color: white;
}

.dashboard-list {
  list-style: none;
}

.dashboard-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.dashboard-list a:hover {
  background: var(--bg-dark);
  color: var(--text-primary);
}

.dashboard-list a.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
}

.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 2rem;
}

/* Dashboard Builder */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.dashboard-title {
  font-size: 1.75rem;
  font-weight: 700;
}

.dashboard-actions {
  display: flex;
  gap: 0.75rem;
}

/* Grid System */
.widget-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
  min-height: 400px;
}

.widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  position: relative;
  transition: var(--transition);
}

.widget:hover {
  border-color: var(--text-muted);
}

.widget.cols-3 { grid-column: span 3; }
.widget.cols-4 { grid-column: span 4; }
.widget.cols-6 { grid-column: span 6; }
.widget.cols-8 { grid-column: span 8; }
.widget.cols-12 { grid-column: span 12; }

.widget.rows-1 { grid-row: span 1; }
.widget.rows-2 { grid-row: span 2; }
.widget.rows-3 { grid-row: span 3; }

.widget.dragging {
  opacity: 0.5;
  cursor: move;
}

.widget-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.widget-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.widget-actions {
  display: flex;
  gap: 0.25rem;
  opacity: 0;
  transition: var(--transition);
}

.widget:hover .widget-actions {
  opacity: 1;
}

.widget-action {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  transition: var(--transition);
}

.widget-action:hover {
  background: var(--bg-dark);
  color: var(--text-primary);
}

/* Metric Widget */
.metric-value {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric-trend {
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.metric-trend.positive { color: var(--success); }
.metric-trend.negative { color: var(--danger); }

/* Charts */
.chart-container {
  width: 100%;
  height: 200px;
  position: relative;
}

.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

/* Add Widget Panel */
.add-widget-panel {
  position: fixed;
  right: -400px;
  top: 0;
  width: 400px;
  height: 100vh;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  padding: 2rem;
  overflow-y: auto;
  transition: right 0.3s ease;
  z-index: 200;
}

.add-widget-panel.open {
  right: 0;
}

.add-widget-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.widget-type-btn {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.widget-type-btn:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

.widget-type-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.widget-type-name {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.widget-type-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: var(--transition);
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

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

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.5rem;
  padding: 0.25rem;
}

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

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.empty-state p {
  margin-bottom: 1.5rem;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow);
  animation: slideIn 0.3s ease;
}

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

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

/* Admin */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
}

.table-container {
  overflow-x: auto;
}

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

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

th {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.tab {
  padding: 1rem 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

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

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

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Plan Badge */
.plan-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.plan-badge.free { background: var(--bg-dark); color: var(--text-muted); }
.plan-badge.starter { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.plan-badge.pro { background: rgba(99, 102, 241, 0.2); color: var(--primary-light); }
.plan-badge.enterprise { background: rgba(245, 158, 11, 0.2); color: var(--warning); }

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Mobile Responsive */
@media (max-width: 1024px) {
  .sidebar {
    display: none;
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .widget.cols-3, .widget.cols-4, .widget.cols-6 {
    grid-column: span 6;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .widget.cols-3, .widget.cols-4, .widget.cols-6, .widget.cols-8, .widget.cols-12 {
    grid-column: span 12;
  }
  
  .pricing-card.popular {
    transform: none;
  }
  
  .modal {
    width: 95%;
    padding: 1.5rem;
  }
}

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

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

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

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

/* Focus States */
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background: var(--primary);
  color: white;
}