/* SURGILOG PRO - MODERN MEDICAL DESIGN SYSTEM (WCAG 2.2 AA COMPLIANT) */

:root {
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-elevated: #f1f5f9;
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  
  --success-50: #ecfdf5;
  --success-600: #059669;
  --success-700: #047857;
  
  --warning-50: #fffbeb;
  --warning-600: #d97706;
  --warning-700: #b45309;
  
  --danger-50: #fef2f2;
  --danger-600: #dc2626;
  --danger-700: #b91c1c;
  
  --purple-50: #faf5ff;
  --purple-600: #9333ea;
  --purple-700: #7e22ce;

  --cyan-50: #ecfeff;
  --cyan-600: #0891b2;
  
  --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);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

[data-theme="dark"] {
  --bg-primary: #090d16;
  --bg-surface: #111827;
  --bg-card: #172033;
  --bg-elevated: #1e293b;
  --border-subtle: #2d3748;
  --border-strong: #4a5568;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;
  
  --primary-50: #1e293b;
  --primary-100: #1e3a8a;
  --primary-500: #60a5fa;
  --primary-600: #3b82f6;
  
  --success-50: #064e3b;
  --success-600: #10b981;
  
  --warning-50: #78350f;
  --warning-600: #f59e0b;
  
  --danger-50: #7f1d1d;
  --danger-600: #ef4444;
  
  --purple-50: #581c87;
  --purple-600: #a855f7;

  --cyan-50: #164e63;
  --cyan-600: #22d3ee;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* TOP NAVBAR */
.navbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-600);
  text-decoration: none;
}

.brand-badge {
  background: var(--primary-50);
  color: var(--primary-600);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  border: 1px solid var(--border-subtle);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-info {
  text-align: right;
}

.user-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}

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

.btn-icon {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-icon:hover {
  background: var(--border-subtle);
}

/* MAIN CONTAINER & TABS */
.main-layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

.nav-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border-subtle);
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: none;
  padding: 0.75rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--primary-600);
}

.tab-btn.active {
  color: var(--primary-600);
  border-bottom-color: var(--primary-600);
}

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

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stat-header {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}

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

.stat-sub {
  font-size: 0.8rem;
  color: var(--success-600);
  margin-top: 0.4rem;
  font-weight: 600;
}

/* CHARTS SECTION */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 600px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.chart-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.chart-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.chart-container {
  width: 100%;
  height: 280px;
  position: relative;
}

/* LOGBOOK SECTION */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  width: 320px;
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  color: var(--text-primary);
  width: 100%;
  font-size: 0.9rem;
}

.filter-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.select-input {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  outline: none;
}

.btn-primary {
  background: var(--primary-600);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.55rem 1.1rem;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.25);
  transition: all 0.2s ease;
}

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

/* DATA TABLE */
.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

table.data-table th {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 700;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

table.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

table.data-table tr:hover {
  background: var(--bg-elevated);
}

/* BADGES */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-noisoi { background: var(--success-50); color: var(--success-600); border: 1px solid var(--success-600); }
.badge-robot { background: var(--purple-50); color: var(--purple-600); border: 1px solid var(--purple-600); }
.badge-mo { background: var(--warning-50); color: var(--warning-600); border: 1px solid var(--warning-600); }
.badge-nsth { background: var(--cyan-50); color: var(--cyan-600); border: 1px solid var(--cyan-600); }

.badge-comp-yes { background: var(--danger-50); color: var(--danger-600); font-weight: 700; }
.badge-comp-no { background: var(--success-50); color: var(--success-600); }

/* MODAL */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

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

.modal-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
}

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

/* FORM CONTROLS */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.form-group input, .form-group select, .form-group textarea {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.75rem;
  font-size: 0.88rem;
  outline: none;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary-600);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.alert-box {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.alert-warning {
  background: var(--warning-50);
  color: var(--warning-700);
  border: 1px solid var(--warning-600);
}

.alert-danger {
  background: var(--danger-50);
  color: var(--danger-700);
  border: 1px solid var(--danger-600);
}