/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* CSS Variables & Design System */
:root {
  --font-sans: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;

  /* Color Palette - Trust & AI Theme */
  --bg-primary: #0f172a; /* Slate 900 */
  --bg-secondary: #1e293b; /* Slate 800 */
  --bg-tertiary: #334155; /* Slate 700 */
  
  --text-primary: #f8fafc; /* Slate 50 */
  --text-secondary: #94a3b8; /* Slate 400 */
  --text-muted: #64748b; /* Slate 500 */

  --accent-blue: #3b82f6; /* Blue 500 */
  --accent-indigo: #6366f1; /* Indigo 500 */
  --accent-purple: #8b5cf6; /* Purple 500 */
  --accent-emerald: #10b981; /* Emerald 500 */
  --accent-rose: #f43f5e; /* Rose 500 */
  
  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.06);
  --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);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
}

/* Light Theme overrides for Client Portal */
.light-theme {
  --bg-primary: #f8fafc; /* Slate 50 */
  --bg-secondary: #ffffff;
  --bg-tertiary: #e2e8f0; /* Slate 200 */
  
  --text-primary: #0f172a; /* Slate 900 */
  --text-secondary: #475569; /* Slate 600 */
  --text-muted: #94a3b8; /* Slate 400 */
  
  --border-color: rgba(15, 23, 42, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(15, 23, 42, 0.06);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.02); }
}

@keyframes wave {
  0%, 100% { transform: scaleY(0.3); }
  50% { transform: scaleY(1); }
}

.animate-fade-in {
  animation: fadeIn var(--transition-normal) forwards;
}

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Glassmorphic Cards */
.card-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card-glass:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

/* Client Portal Specific Styles */
.client-hero {
  background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.1), transparent),
              radial-gradient(circle at bottom left, rgba(99, 102, 241, 0.05), transparent);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 80px 0;
}

.client-header {
  text-align: center;
  margin-bottom: 48px;
  max-width: 600px;
}

.client-header h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.client-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.form-wrapper {
  width: 100%;
  max-width: 700px;
  padding: 40px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(15, 23, 42, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.light-theme .form-input {
  background: #f8fafc;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

/* File Upload Area */
.file-upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.file-upload-zone:hover, .file-upload-zone.dragover {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.02);
}

.file-upload-zone i {
  font-size: 2.5rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: block;
}

.file-upload-zone span {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.file-upload-zone p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.file-list {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(15, 23, 42, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  animation: fadeIn 0.2s ease;
}

.light-theme .file-item {
  background: #f1f5f9;
}

.file-item-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.file-item-remove {
  cursor: pointer;
  color: var(--accent-rose);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.file-item-remove:hover {
  opacity: 1;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
  color: #ffffff;
  box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 6px 20px 0 rgba(59, 130, 246, 0.4);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Success Overlay */
.success-screen {
  text-align: center;
  padding: 40px 20px;
}

.success-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin-bottom: 24px;
}

.case-id-badge {
  display: inline-block;
  padding: 10px 20px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--accent-blue);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  border-radius: var(--radius-md);
  margin: 20px 0;
  letter-spacing: 0.05em;
}

/* Admin Dashboard Styles */
.admin-app {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 48px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.25rem;
}

.brand-text h2 {
  font-size: 1.2rem;
  color: var(--text-primary);
}

.brand-text span {
  font-size: 0.75rem;
  color: var(--accent-blue);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.15), transparent);
  border-left: 3px solid var(--accent-blue);
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* Admin Main Content */
.main-content {
  padding: 40px;
  overflow-y: auto;
  background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.03), transparent 400px);
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.admin-header h1 {
  font-size: 2rem;
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.stat-card {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-info span {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-info h3 {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
}

/* Filters & Search */
.filter-bar {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.search-wrapper {
  position: relative;
  flex-grow: 1;
  min-width: 250px;
}

.search-wrapper i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 12px 16px 12px 48px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.select-input {
  padding: 12px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  cursor: pointer;
  outline: none;
}

/* Case Grid / List */
.case-list-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.case-card {
  padding: 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr auto;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  border-left: 4px solid transparent;
}

.case-card:hover {
  transform: translateX(4px);
  border-color: var(--accent-blue);
}

.case-info h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.case-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.case-date {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-pending {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.badge-eligible {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
}

.badge-ineligible {
  background: rgba(244, 63, 94, 0.1);
  color: var(--accent-rose);
}

.score-display {
  display: flex;
  align-items: center;
  gap: 8px;
}

.score-bar-bg {
  width: 60px;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  border-radius: 3px;
}

.score-num {
  font-size: 0.9rem;
  font-weight: 600;
}

/* Detail View Layout (Split Panel) */
.detail-view-container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  animation: fadeIn 0.3s ease;
}

.case-detail-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  margin-bottom: 16px;
  width: fit-content;
  transition: color var(--transition-fast);
}

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

.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.detail-header h2 {
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.detail-section-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.detail-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.info-item label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.info-item p {
  font-size: 0.95rem;
  font-weight: 500;
}

.case-description-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  font-size: 0.95rem;
  line-height: 1.6;
  white-space: pre-wrap;
}

/* AI Analysis Cards */
.ai-badge-glowing {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: #a5b4fc;
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.1);
}

.analysis-card {
  border: 1px solid rgba(99, 102, 241, 0.2);
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
  position: relative;
  overflow: hidden;
}

.analysis-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-indigo), var(--accent-purple));
}

.analysis-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.highlight-box {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.highlight-box label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.highlight-box span {
  font-weight: 600;
  font-size: 0.95rem;
}

.analysis-text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(248, 250, 252, 0.85);
  margin-bottom: 16px;
}

/* File Attachments in Detail */
.attachment-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.attachment-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-primary);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.attachment-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-blue);
}

.attachment-icon {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

.attachment-meta {
  flex-grow: 1;
  margin-left: 12px;
  overflow: hidden;
}

.attachment-name {
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  display: block;
}

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

/* Chatbot Panel */
.chat-panel {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 120px);
  position: sticky;
  top: 40px;
}

.chat-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-header-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.chat-header h3 {
  font-size: 1.05rem;
}

.chat-messages {
  flex-grow: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-bubble {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.5;
  animation: fadeIn 0.2s ease;
}

.chat-bubble-user {
  background: var(--accent-indigo);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

.chat-bubble-ai {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  align-self: flex-start;
  border-bottom-left-radius: 2px;
  border: 1px solid var(--border-color);
}

.chat-bubble-system {
  background: rgba(245, 158, 11, 0.05);
  color: #f59e0b;
  align-self: center;
  text-align: center;
  max-width: 90%;
  font-size: 0.8rem;
  border: 1px solid rgba(245, 158, 11, 0.1);
  border-radius: var(--radius-sm);
}

/* Chat Input Bar */
.chat-input-area {
  padding: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 12px;
  align-items: center;
}

.chat-input-wrapper {
  position: relative;
  flex-grow: 1;
}

.chat-text-input {
  width: 100%;
  padding: 12px 48px 12px 16px;
  background: rgba(15, 23, 42, 0.2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.chat-text-input:focus {
  outline: none;
  border-color: var(--accent-indigo);
}

.chat-voice-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.15rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-voice-btn:hover {
  color: var(--accent-purple);
}

.chat-voice-btn.recording {
  color: var(--accent-rose);
  animation: pulse-glow 1s infinite;
}

.chat-send-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), filter var(--transition-fast);
}

.chat-send-btn:hover {
  filter: brightness(1.1);
}

.chat-send-btn:active {
  transform: scale(0.95);
}

/* Voice Wave Animation when Recording */
.voice-wave {
  display: none;
  align-items: center;
  gap: 3px;
  height: 20px;
  margin-right: 8px;
}

.voice-wave span {
  width: 3px;
  height: 100%;
  background-color: var(--accent-rose);
  border-radius: 2px;
  animation: wave 1.2s ease-in-out infinite;
}

.voice-wave span:nth-child(2) { animation-delay: 0.15s; }
.voice-wave span:nth-child(3) { animation-delay: 0.3s; }
.voice-wave span:nth-child(4) { animation-delay: 0.45s; }
.voice-wave span:nth-child(5) { animation-delay: 0.6s; }

/* Responsive adjustments */
@media (max-width: 1024px) {
  .admin-app {
    grid-template-columns: 1fr;
  }
  .sidebar {
    display: none; /* In production, you would add a mobile menu toggle */
  }
  .detail-view-container {
    grid-template-columns: 1fr;
  }
  .chat-panel {
    height: 500px;
    position: static;
  }
}

@media (max-width: 768px) {
  .case-card {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .case-card > * {
    margin-bottom: 4px;
  }
  .case-card .btn {
    width: 100%;
  }
  .attachment-list {
    grid-template-columns: 1fr;
  }
}