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

:root {
  --primary: #0f2942;
  --primary-light: #2563eb;
  --primary-medium: #1e40af;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --success: #059669;
  --success-light: #d1fae5;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --warn: #d97706;
  --warn-light: #fef3c7;
  --bg: #f1f5f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --sidebar-bg: #0f172a;
  --sidebar-hover: rgba(255, 255, 255, 0.07);
  --sidebar-active: rgba(37, 99, 235, 0.25);
  --radius: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-mode {
  --primary: #93c5fd;
  --primary-light: #3b82f6;
  --primary-medium: #60a5fa;
  --accent: #fbbf24;
  --accent-light: #fcd34d;
  --success: #10b981;
  --success-light: #065f46;
  --danger: #ef4444;
  --danger-light: #7f1d1d;
  --warn: #f59e0b;
  --warn-light: #78350f;
  --bg: #0f172a;
  --card: #1e293b;
  --border: #334155;
  --text: #f8fafc;
  --muted: #94a3b8;
  --sidebar-bg: #020617;
  --sidebar-hover: rgba(255, 255, 255, 0.1);
  --sidebar-active: rgba(59, 130, 246, 0.15);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5), 0 4px 6px rgba(0, 0, 0, 0.3);
}

body {
  transition: background-color 0.3s ease, color 0.3s ease;
}

.card,
.stat-card,
.topbar,
.doc-card,
.plan-card,
.login-card,
.modal {
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-mode .topbar {
  background: var(--card);
}

body.dark-mode input,
body.dark-mode select,
body.dark-mode textarea {
  background: #0f172a;
  color: var(--text);
  border-color: var(--border);
}

body.dark-mode th {
  background: #0f172a;
  color: var(--muted);
  border-bottom-color: var(--border);
}

body.dark-mode td {
  border-bottom-color: var(--border);
}

body.dark-mode tr:hover td {
  background: #1e293b;
}

body.dark-mode .notif-btn {
  background: #0f172a;
  color: var(--text);
  border-color: var(--border);
}

body.dark-mode .notif-btn:hover {
  background: #334155;
}

body.dark-mode .room-tab {
  background: var(--card);
  color: var(--muted);
  border-color: var(--border);
}

body.dark-mode .room-tab.active {
  background: var(--primary-light);
  color: #fff;
  border-color: transparent;
}

body.dark-mode .btn-outline {
  background: transparent;
  color: var(--primary-light);
  border-color: var(--border);
}

body.dark-mode .btn-outline:hover {
  background: #334155;
  border-color: var(--primary-light);
}

body.dark-mode .analysis-switch {
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  border-color: #334155;
}

body.dark-mode .analysis-switch button:hover {
  background: rgba(96, 165, 250, 0.18);
}

body.dark-mode .dashboard-pill {
  background: #0f172a;
  border-color: #334155;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}