/* ==========================================================================
   PulmoSense-AI - Global Design System & Main Stylesheet
   Theme: Healthcare Tech + AI + Wearable + Modern UI
   ========================================================================== */

:root {
  --primary-color: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: #e0f2fe;
  --primary-dark: #075985;
  
  --secondary-color: #10b981;
  --secondary-hover: #059669;
  --secondary-light: #d1fae5;
  
  --accent-color: #6366f1;
  --accent-light: #e0e7ff;
  
  --dark-color: #0f172a;
  --dark-card-bg: #1e293b;
  --body-color: #334155;
  --muted-color: #64748b;
  --light-bg: #f8fafc;
  --border-color: #e2e8f0;
  
  --risk-low-bg: #d1fae5;
  --risk-low-color: #047857;
  --risk-low-border: #a7f3d0;
  
  --risk-medium-bg: #fffbebf5;
  --risk-medium-color: #d97706;
  --risk-medium-border: #fef3c7;
  
  --risk-high-bg: #ffe4e6;
  --risk-high-color: #be123c;
  --risk-high-border: #fecdd3;
  
  --sidebar-width: 250px;
  --header-height: 64px;
  --mobile-nav-height: 62px;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.09);
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--light-bg);
  color: var(--body-color);
  line-height: 1.5;
  font-size: 0.925rem;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: all 0.2s ease;
}

a:hover {
  color: var(--primary-hover);
}

/* ==========================================================================
   Typography & Scaling
   ========================================================================== */
h1, .h1 { font-size: 1.85rem; font-weight: 800; letter-spacing: -0.02em; }
h2, .h2 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.01em; }
h3, .h3 { font-size: 1.3rem; font-weight: 700; }
h4, .h4 { font-size: 1.15rem; font-weight: 700; }
h5, .h5 { font-size: 1rem; font-weight: 600; }
h6, .h6 { font-size: 0.875rem; font-weight: 600; }

.fs-7 { font-size: 0.85rem !important; }
.fs-8 { font-size: 0.75rem !important; }

.font-brand {
  font-weight: 800;
  letter-spacing: -0.5px;
}

.text-gradient-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.bg-gradient-primary {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 50%, #0f172a 100%) !important;
  color: #ffffff;
}

.bg-gradient-dark {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%) !important;
  color: #ffffff;
}

/* ==========================================================================
   Cards & Layout Components
   ========================================================================== */
.card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  background-color: #ffffff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-dashboard {
  border-radius: var(--radius-lg);
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-sm);
}

.card-dashboard:hover {
  box-shadow: var(--shadow-md);
}

.stat-card {
  padding: 1.15rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-radius: var(--radius-lg);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.stat-icon.primary { background-color: var(--primary-light); color: var(--primary-color); }
.stat-icon.secondary { background-color: var(--secondary-light); color: var(--secondary-color); }
.stat-icon.warning { background-color: #fef3c7; color: #d97706; }
.stat-icon.danger { background-color: var(--risk-high-bg); color: var(--risk-high-color); }

/* ==========================================================================
   Global Risk Hero Card (Desktop + Mobile Responsive)
   ========================================================================== */
.risk-hero-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #0284c7 100%);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 1.75rem 2rem;
  box-shadow: 0 10px 25px rgba(2, 132, 199, 0.15);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.risk-hero-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
}

.risk-hero-card .risk-circle-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
}

.risk-hero-card .risk-circle {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 5px solid rgba(255, 255, 255, 0.15);
  border-top-color: #f59e0b;
  border-right-color: #f59e0b;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(6px);
  box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.2);
}

.risk-hero-card .risk-score-value {
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1;
  color: #ffffff;
}

.risk-hero-card .risk-score-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 2px;
}

.risk-title-badge {
  display: inline-block;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fbbf24;
  letter-spacing: -0.01em;
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  border-radius: var(--radius-md);
  font-weight: 600;
  padding: 0.55rem 1.25rem;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.25);
  transition: all 0.2s ease;
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
  transform: translateY(-1px);
}

.btn-touch {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  border-radius: var(--radius-md);
}

.badge-risk {
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: 50rem;
  font-size: 0.78rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.badge-risk.rendah { background-color: var(--risk-low-bg); color: var(--risk-low-color); border: 1px solid var(--risk-low-border); }
.badge-risk.sedang { background-color: var(--risk-medium-bg); color: var(--risk-medium-color); border: 1px solid var(--risk-medium-border); }
.badge-risk.tinggi { background-color: var(--risk-high-bg); color: var(--risk-high-color); border: 1px solid var(--risk-high-border); }

.wearable-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 50rem;
  background-color: #d1fae5;
  color: #047857;
  font-weight: 600;
  font-size: 0.825rem;
}

.wearable-status-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.heartbeat-icon {
  color: #ef4444;
  animation: pulse-heart 1.2s infinite ease-in-out;
  display: inline-block;
}

@keyframes pulse-heart {
  0% { transform: scale(1); }
  14% { transform: scale(1.2); }
  28% { transform: scale(1); }
  42% { transform: scale(1.1); }
  70% { transform: scale(1); }
}

.disclaimer-box {
  background-color: #f1f5f9;
  border-left: 4px solid var(--primary-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.15rem;
  font-size: 0.825rem;
  color: var(--muted-color);
}

/* ==========================================================================
   Desktop Header & Sidebar Navigation
   ========================================================================== */
.app-header {
  height: var(--header-height);
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 900;
}

.app-sidebar {
  width: var(--sidebar-width);
  background-color: #ffffff;
  border-right: 1px solid var(--border-color);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-menu {
  padding: 1rem 0.75rem;
  flex: 1;
  overflow-y: auto;
}

.sidebar-menu .menu-category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--muted-color);
  letter-spacing: 0.06em;
  padding: 0.75rem 0.75rem 0.35rem 0.75rem;
}

.sidebar-menu .nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.85rem;
  color: var(--body-color);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 0.2rem;
  transition: all 0.2s ease;
}

.sidebar-menu .nav-link:hover {
  background-color: var(--light-bg);
  color: var(--primary-color);
}

.sidebar-menu .nav-link.active {
  background-color: var(--primary-light);
  color: var(--primary-color);
  font-weight: 700;
}

.sidebar-menu .nav-link i {
  font-size: 1.15rem;
}

.main-wrapper {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  padding: 1.5rem 1.75rem;
  flex: 1;
}

/* User Avatar Bubble */
.user-avatar-sm {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}