/* Design System and Utilities for Threat Model Manager */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* HSL curated dark theme colors (zinc/shadcn style) */
  --background: 240 10% 3.9%;
  --foreground: 0 0% 98%;
  
  --card: 240 10% 5.9%;
  --card-foreground: 0 0% 98%;
  
  --popover: 240 10% 3.9%;
  --popover-foreground: 0 0% 98%;
  
  --primary: 217.2 91.2% 59.8%; /* Bright Blue */
  --primary-foreground: 222.2 47.4% 11.2%;
  
  --secondary: 240 3.7% 15.9%;
  --secondary-foreground: 0 0% 98%;
  
  --muted: 240 3.7% 15.9%;
  --muted-foreground: 240 5% 64.9%;
  
  --accent: 240 3.7% 15.9%;
  --accent-foreground: 0 0% 98%;
  
  --destructive: 0 62.8% 30.6%;
  --destructive-foreground: 0 0% 98%;
  
  --border: 240 3.7% 15.9%;
  --input: 240 3.7% 15.9%;
  --ring: 240 4.9% 83.9%;
  
  /* State Colors */
  --success: 142.1 76.2% 36.3%; /* Green */
  --warning: 37.9 90.2% 50.2%;  /* Amber */
  --error: 0 84.2% 60.2%;      /* Red */
  
  --radius: 0.5rem;
  --transition: all 0.2s ease-in-out;
}

:root[data-theme="light"] {
  /* HSL curated light theme colors (zinc/shadcn style) */
  --background: 0 0% 100%;
  --foreground: 240 10% 3.9%;
  
  --card: 0 0% 98%;
  --card-foreground: 240 10% 3.9%;
  
  --popover: 0 0% 100%;
  --popover-foreground: 240 10% 3.9%;
  
  --primary: 221.2 83.2% 53.3%; /* Vibrant Blue */
  --primary-foreground: 210 40% 98%;
  
  --secondary: 240 4.8% 95.9%;
  --secondary-foreground: 240 5.9% 10%;
  
  --muted: 240 4.8% 95.9%;
  --muted-foreground: 240 3.8% 46.1%;
  
  --accent: 240 4.8% 95.9%;
  --accent-foreground: 240 5.9% 10%;
  
  --destructive: 0 84.2% 60.2%;
  --destructive-foreground: 210 40% 98%;
  
  --border: 240 5.9% 90%;
  --input: 240 5.9% 90%;
  --ring: 240 5.9% 10%;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

.sidebar {
  width: 260px;
  background-color: hsl(var(--card));
  border-right: 1px solid hsl(var(--border));
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 10;
}

.sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid hsl(var(--border));
}

.sidebar-logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: hsl(var(--foreground));
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.025em;
}

.sidebar-logo span {
  color: hsl(var(--primary));
}

.sidebar-menu {
  padding: 1.5rem 1rem;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex-grow: 1;
}

.sidebar-item a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: hsl(var(--muted-foreground));
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}

.sidebar-item a:hover {
  background-color: hsl(var(--secondary));
  color: hsl(var(--foreground));
}

.sidebar-item.active a {
  background-color: hsl(var(--primary) / 0.1);
  color: hsl(var(--primary));
}

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid hsl(var(--border));
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: hsl(var(--muted-foreground));
}

.sidebar-footer .user-info {
  font-weight: 600;
  color: hsl(var(--foreground));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.logout-btn {
  color: hsl(var(--error)) !important;
  font-weight: 600;
}

/* Main Content Area */
.main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow-y: auto;
}

.top-bar {
  height: 64px;
  border-bottom: 1px solid hsl(var(--border));
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background-color: hsl(var(--background));
  flex-shrink: 0;
}

.page-title h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.content-body {
  padding: 2rem;
  flex-grow: 1;
}

/* Dashboard Grid Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.metric-card {
  background-color: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: hsl(var(--primary) / 0.5);
  box-shadow: 0 4px 20px -5px hsl(var(--primary) / 0.1);
}

.metric-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: hsl(var(--foreground));
  line-height: 1;
}

.metric-desc {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
}

/* Cards Section */
.card-section {
  background-color: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.card-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Tables style */
.table-container {
  overflow-x: auto;
  border-radius: calc(var(--radius) - 2px);
  border: 1px solid hsl(var(--border));
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.custom-table th {
  background-color: hsl(var(--secondary));
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: hsl(var(--muted-foreground));
  border-bottom: 1px solid hsl(var(--border));
}

.custom-table td {
  padding: 1rem;
  border-bottom: 1px solid hsl(var(--border));
  color: hsl(var(--foreground));
  transition: var(--transition);
}

.custom-table tbody tr:hover td {
  background-color: hsl(var(--secondary) / 0.3);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
}

.badge-low {
  background-color: hsl(var(--success) / 0.1);
  color: hsl(var(--success));
  border: 1px solid hsl(var(--success) / 0.2);
}

.badge-medium {
  background-color: hsl(var(--warning) / 0.1);
  color: hsl(var(--warning));
  border: 1px solid hsl(var(--warning) / 0.2);
}

.badge-high {
  background-color: hsl(var(--error) / 0.1);
  color: hsl(var(--error));
  border: 1px solid hsl(var(--error) / 0.2);
}

.badge-relevant {
  background-color: hsl(var(--primary) / 0.1);
  color: hsl(var(--primary));
  border: 1px solid hsl(var(--primary) / 0.2);
}

.badge-not-relevant {
  background-color: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
  border: 1px solid hsl(var(--border));
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
}

.form-control {
  width: 100%;
  background-color: hsl(var(--secondary));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 0.625rem 0.875rem;
  color: hsl(var(--foreground));
  font-family: inherit;
  font-size: 0.875rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: hsl(var(--primary));
  box-shadow: 0 0 0 2px hsl(var(--primary) / 0.15);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.625rem 1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background-color: hsl(var(--primary));
  color: #fff;
}

.btn-primary:hover {
  background-color: hsl(var(--primary) / 0.85);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: hsl(var(--secondary));
  color: hsl(var(--foreground));
  border-color: hsl(var(--border));
}

.btn-secondary:hover {
  background-color: hsl(var(--accent));
}

.btn-danger {
  background-color: hsl(var(--destructive));
  color: hsl(var(--destructive-foreground));
}

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

/* Modals & Dialogs */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  width: 100%;
  max-width: 500px;
  padding: 2rem;
  position: relative;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  animation: modalSlideUp 0.25s ease-out;
}

@keyframes modalSlideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Risk Matrix grid & layout */
.matrix-wrapper {
  overflow-x: auto;
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.825rem;
}

.matrix-table th, .matrix-table td {
  padding: 0.75rem;
  border: 1px solid hsl(var(--border));
  text-align: center;
}

.matrix-table th {
  background-color: hsl(var(--secondary));
  font-weight: 600;
}

.matrix-cell {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  transition: var(--transition);
}

.matrix-cell:hover {
  background-color: hsl(var(--primary) / 0.1);
  transform: scale(1.05);
}

.matrix-cell-high {
  background-color: hsl(var(--error) / 0.15);
  color: hsl(var(--error));
  font-weight: 600;
}

.matrix-cell-medium {
  background-color: hsl(var(--warning) / 0.15);
  color: hsl(var(--warning));
}

.matrix-cell-low {
  background-color: hsl(var(--success) / 0.15);
  color: hsl(var(--success));
}

/* Login Page Styling */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: hsl(var(--background));
  padding: 2rem;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background-color: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.login-header p {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
}

/* Utility layout grids */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .split-grid {
    grid-template-columns: 1fr;
  }
}

/* Printing styling */
@media print {
  .sidebar, .top-bar, .btn, .actions-column {
    display: none !important;
  }
  .main-content {
    height: auto !important;
    overflow: visible !important;
  }
  .content-body {
    padding: 0 !important;
  }
  .card-section {
    border: none !important;
    padding: 0 !important;
  }
  body {
    background-color: #fff !important;
    color: #000 !important;
  }
}

/* Responsive grid for Configuration columns */
.config-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 1200px) {
  .config-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 800px) {
  .config-grid {
    grid-template-columns: 1fr;
  }
}

/* Toast Notifications styling */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: rgba(24, 24, 27, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  z-index: 9999;
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transform: translateY(1rem);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}
.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}
.toast-success {
  border-left: 4px solid hsl(var(--primary));
}
.toast-error {
  border-left: 4px solid hsl(var(--error));
}
.toast-warning {
  border-left: 4px solid hsl(var(--warning));
}
.toast-info {
  border-left: 4px solid hsl(var(--primary));
}