/* ==========================================================================
   ScopeGuard Design System
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design Tokens
   -------------------------------------------------------------------------- */

:root {
  /* Colors - Primary */
  --color-primary-50: #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;
  
  /* Colors - Semantic */
  --color-success-50: #ecfdf5;
  --color-success-100: #d1fae5;
  --color-success-500: #10b981;
  --color-success-600: #059669;
  --color-success-700: #047857;
  
  --color-warning-50: #fffbeb;
  --color-warning-100: #fef3c7;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;
  --color-warning-700: #b45309;
  
  --color-danger-50: #fef2f2;
  --color-danger-100: #fee2e2;
  --color-danger-500: #ef4444;
  --color-danger-600: #dc2626;
  --color-danger-700: #b91c1c;
  
  /* Colors - Neutral */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Layout */
  --sidebar-width: 260px;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-900);
  background-color: var(--color-gray-50);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */

.app {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-gray-900);
  color: var(--color-gray-100);
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.sidebar-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-gray-800);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-primary-400);
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: white;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  color: var(--color-gray-400);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.nav-item svg {
  width: 20px;
  height: 20px;
}

.nav-item:hover {
  background: var(--color-gray-800);
  color: var(--color-gray-100);
}

.nav-item.active {
  background: var(--color-primary-600);
  color: white;
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-gray-800);
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-primary-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: white;
}

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

.user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: white;
}

.user-plan {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: var(--space-8);
}

/* Header */
.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-8);
}

.header-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
}

.header-date {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: var(--color-primary-600);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-700);
}

.btn-secondary {
  background: white;
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-300);
  position: relative;
}

.btn-secondary:hover {
  background: var(--color-gray-50);
}

.notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  background: var(--color-danger-500);
  color: white;
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary-600);
  border: 1px solid var(--color-primary-200);
}

.btn-outline:hover {
  background: var(--color-primary-50);
}

.btn-ghost {
  background: transparent;
  color: var(--color-gray-500);
}

.btn-ghost:hover {
  color: var(--color-gray-700);
  background: var(--color-gray-100);
}

/* --------------------------------------------------------------------------
   Stats Cards
   -------------------------------------------------------------------------- */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.stat-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  position: relative;
}

.stat-card-alert {
  border-color: var(--color-danger-200);
  background: var(--color-danger-50);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon svg {
  width: 24px;
  height: 24px;
}

.stat-icon-blue {
  background: var(--color-primary-100);
  color: var(--color-primary-600);
}

.stat-icon-green {
  background: var(--color-success-100);
  color: var(--color-success-600);
}

.stat-icon-orange {
  background: var(--color-warning-100);
  color: var(--color-warning-600);
}

.stat-icon-red {
  background: var(--color-danger-100);
  color: var(--color-danger-600);
}

.stat-content {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  line-height: var(--line-height-tight);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}

.stat-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-danger-600);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   Project Section
   -------------------------------------------------------------------------- */

.project-section {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-gray-100);
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
}

.project-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.project-budget {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.scope-meter {
  width: 120px;
  height: 8px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.scope-meter-fill {
  height: 100%;
  background: var(--color-danger-500);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.scope-percent {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.scope-percent.danger {
  color: var(--color-danger-600);
}

/* Scope Overview */
.scope-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.scope-card {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.scope-card.additions {
  background: var(--color-danger-50);
  border: 1px solid var(--color-danger-100);
}

.scope-card-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  margin-bottom: var(--space-4);
}

.scope-card-title svg {
  width: 18px;
  height: 18px;
}

.scope-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.scope-list li {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  padding-left: var(--space-4);
  position: relative;
}

.scope-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--color-gray-400);
  border-radius: var(--radius-full);
}

.additions-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  padding-left: var(--space-4);
  background: white;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-1);
}

.additions-list li::before {
  top: 12px;
}

.additions-list li.out-of-scope::before {
  background: var(--color-danger-500);
}

.additions-list li.gray-area::before {
  background: var(--color-warning-500);
}

.addition-value {
  font-weight: var(--font-weight-semibold);
  color: var(--color-danger-600);
}

.additions-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-4);
  margin-top: var(--space-3);
  border-top: 1px solid var(--color-danger-200);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
}

.total-value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-danger-600);
}

/* --------------------------------------------------------------------------
   Requests
   -------------------------------------------------------------------------- */

.requests-section {
  margin-top: var(--space-6);
}

.requests-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.requests-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
}

.view-all {
  font-size: var(--font-size-sm);
  color: var(--color-primary-600);
  text-decoration: none;
}

.view-all:hover {
  text-decoration: underline;
}

.requests-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.request-item {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4);
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  border-left: 4px solid transparent;
}

.request-item.in-scope {
  border-left-color: var(--color-success-500);
}

.request-item.gray-area {
  border-left-color: var(--color-warning-500);
  background: var(--color-warning-50);
}

.request-item.out-of-scope {
  border-left-color: var(--color-danger-500);
  background: var(--color-danger-50);
}

.request-status svg {
  width: 24px;
  height: 24px;
}

.request-item.in-scope .request-status {
  color: var(--color-success-500);
}

.request-item.gray-area .request-status {
  color: var(--color-warning-500);
}

.request-item.out-of-scope .request-status {
  color: var(--color-danger-500);
}

.request-content {
  min-width: 0;
}

.request-text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-800);
  margin-bottom: var(--space-1);
}

.request-meta {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

.request-analysis {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
}

.analysis-badge {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
}

.analysis-badge.success {
  background: var(--color-success-100);
  color: var(--color-success-700);
}

.analysis-badge.warning {
  background: var(--color-warning-100);
  color: var(--color-warning-700);
}

.analysis-badge.danger {
  background: var(--color-danger-100);
  color: var(--color-danger-700);
}

.analysis-reason {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  text-align: right;
}

/* --------------------------------------------------------------------------
   Modal
   -------------------------------------------------------------------------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal {
  background: white;
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

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

.modal-analysis {
  max-width: 560px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-gray-100);
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--color-gray-400);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-600);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-form {
  padding: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-3);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  font-family: var(--font-family);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-100);
}

/* Analysis Result */
.analysis-result {
  padding: var(--space-6);
}

.analysis-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-8);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-primary-500);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

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

.analysis-loading p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.analysis-verdict {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
}

.analysis-verdict.out-of-scope {
  background: var(--color-danger-50);
  border: 1px solid var(--color-danger-100);
}

.verdict-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.analysis-verdict.out-of-scope .verdict-icon {
  background: var(--color-danger-100);
  color: var(--color-danger-600);
}

.verdict-icon svg {
  width: 24px;
  height: 24px;
}

.verdict-text h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-danger-700);
}

.verdict-text p {
  font-size: var(--font-size-sm);
  color: var(--color-danger-600);
}

.analysis-details {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
}

.analysis-details h4 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.analysis-details p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

.suggested-value {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-gray-200);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.suggested-value strong {
  font-size: var(--font-size-lg);
  color: var(--color-success-600);
}

.analysis-actions {
  display: flex;
  gap: var(--space-3);
}

.analysis-actions .btn {
  flex: 1;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

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

@media (max-width: 768px) {
  .sidebar {
    display: none;
  }
  
  .main-content {
    margin-left: 0;
    padding: var(--space-4);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .scope-overview {
    grid-template-columns: 1fr;
  }
  
  .request-item {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .request-status {
    display: none;
  }
  
  .request-analysis {
    align-items: flex-start;
  }
  
  .request-actions {
    justify-self: start;
  }
}