:root {
  --bg-primary: #0f0f12;
  --bg-secondary: #18181c;
  --bg-tertiary: #222228;
  --bg-hover: #2a2a32;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --border: #2a2a32;
  --accent: #c9a227;
  --accent-light: #dbb641;
  --accent-bg: rgba(201, 162, 39, 0.1);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --font-display: 'Instrument Serif', serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --transition: 0.2s ease;
}

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

html {
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.125rem; }
h4 { font-size: 0.875rem; font-weight: 600; font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}

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

.btn-primary:hover {
  background: var(--accent-light);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

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

.btn-link {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  font-size: inherit;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.btn-small {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
}

/* Forms */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-family: var(--font-body);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-section {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
  border-bottom: none;
}

.form-section h3 {
  margin-bottom: 1rem;
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding-top: 1.5rem;
}

.error-message {
  color: var(--danger);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

/* Login View */
.login-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: 
    radial-gradient(ellipse at top, rgba(201, 162, 39, 0.08) 0%, transparent 50%),
    var(--bg-primary);
}

.login-brand {
  text-align: center;
  margin-bottom: 2.5rem;
}

.login-brand .logo {
  color: var(--accent);
  margin-bottom: 1rem;
}

.login-brand h1 {
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

.login-brand .tagline {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.login-form {
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-form h2 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.setup-prompt {
  margin-top: 1.5rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-user span {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Main Content */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.dashboard-header h1 {
  margin-bottom: 0.25rem;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: transform var(--transition), border-color var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-urgent .stat-value {
  color: var(--danger);
}

.stat-active .stat-value {
  color: var(--success);
}

/* Filters */
.filters-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.search-box {
  flex: 1;
  min-width: 240px;
  position: relative;
}

.search-box svg {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-box input {
  width: 100%;
  padding: 0.75rem 0.75rem 0.75rem 2.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9375rem;
}

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

.filter-group {
  display: flex;
  gap: 0.75rem;
}

.filter-group select {
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
}

/* Cases List */
.cases-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.case-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  cursor: pointer;
  transition: all var(--transition);
}

.case-card:hover {
  border-color: var(--accent);
  background: var(--bg-tertiary);
}

.case-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.case-card-title {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.case-number {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.case-name {
  font-size: 1.125rem;
  font-weight: 500;
}

.case-card-badges {
  display: flex;
  gap: 0.5rem;
}

.case-card-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.case-card-meta span {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

/* Status & Urgency Badges */
.status-badge,
.urgency-badge {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-radius: 4px;
}

.status-badge {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.status-badge.intake { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.status-badge.review { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.status-badge.investigation { background: rgba(139, 92, 246, 0.15); color: #a78bfa; }
.status-badge.legal { background: rgba(201, 162, 39, 0.15); color: var(--accent); }
.status-badge.resolved { background: rgba(34, 197, 94, 0.15); color: #4ade80; }
.status-badge.closed { background: var(--bg-tertiary); color: var(--text-muted); }

.urgency-badge.critical { background: rgba(239, 68, 68, 0.15); color: #f87171; }
.urgency-badge.high { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.urgency-badge.normal { background: var(--bg-tertiary); color: var(--text-secondary); }
.urgency-badge.low { background: var(--bg-tertiary); color: var(--text-muted); }

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

.empty-state svg {
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.2s ease;
}

.modal-large {
  max-width: 900px;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 1.25rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  transition: color var(--transition);
}

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

.case-form {
  padding: 1.5rem;
}

/* Detail Modal */
.detail-body {
  display: grid;
  grid-template-columns: 1fr 320px;
}

.detail-main {
  padding: 1.5rem;
  border-right: 1px solid var(--border);
}

.detail-meta {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.detail-sections {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.detail-section h4 {
  margin-bottom: 0.75rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.875rem;
}

.detail-grid strong {
  color: var(--text-secondary);
  font-weight: 500;
}

.detail-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  white-space: pre-wrap;
}

.detail-actions {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

/* Timeline */
.detail-timeline {
  padding: 1.25rem;
  background: var(--bg-primary);
}

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

.timeline-header h4 {
  margin-bottom: 0;
}

.timeline-events {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.timeline-event {
  position: relative;
  padding-left: 1.25rem;
  border-left: 2px solid var(--border);
}

.timeline-event::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 0.25rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.timeline-event-date {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.25rem;
}

.timeline-event-title {
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.timeline-event-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.event-form {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: var(--radius);
}

.event-form .form-group {
  margin-bottom: 0.75rem;
}

/* Responsive */
@media (max-width: 900px) {
  .detail-body {
    grid-template-columns: 1fr;
  }
  
  .detail-main {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .dashboard-header {
    flex-direction: column;
    gap: 1rem;
  }
  
  .filters-bar {
    flex-direction: column;
  }
  
  .navbar {
    padding: 1rem;
  }
  
  .main-content {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-brand span {
    display: none;
  }
}