/**
 * [AI_NETWORK_MAP & DATA_FLOW]
 * Primary File: styles/main.css
 * Role: Clinical Biomedical Design System for Dr. Abedian BioMed Suite
 * Principles: 90/10 Color Discipline, Vazirmatn Persian Typography, Strict RTL, Zero-Slop Medical Aesthetics
 */

@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --font-sans: 'Vazirmatn', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Clinical Palette (90% Neutrals, 10% Purposeful Accents) */
  --bg-app: #070b12;
  --bg-surface: #0f172a;
  --bg-surface-elevated: #1e293b;
  --bg-card: rgba(15, 23, 42, 0.75);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: #14b8a6;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Neonatal Teal & Cyan */
  --cbag-primary: #14b8a6;
  --cbag-primary-dark: #0f766e;
  --cbag-glow: rgba(20, 184, 166, 0.2);

  /* MS Neuro Indigo & Violet */
  --ms-primary: #818cf8;
  --ms-primary-dark: #4f46e5;
  --ms-glow: rgba(129, 140, 248, 0.2);

  /* Luxury Gold Medical Badge */
  --gold-primary: #f59e0b;
  --gold-glow: rgba(245, 158, 11, 0.25);

  /* Severity Tokens */
  --alert-red: #ef4444;
  --alert-amber: #f59e0b;
  --alert-green: #10b981;
  --alert-blue: #3b82f6;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
}

[data-theme="light"] {
  --bg-app: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f8fafc;
  --bg-card: #ffffff;
  --border-subtle: #e2e8f0;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --cbag-glow: rgba(20, 184, 166, 0.12);
  --ms-glow: rgba(129, 140, 248, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  direction: rtl;
  text-align: right;
  background-color: var(--bg-app);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(20, 184, 166, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(99, 102, 241, 0.04) 0%, transparent 40%);
}

/* App Header & Luxury Branding */
.header-glass {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(11, 17, 33, 0.85);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 24px;
}

[data-theme="light"] .header-glass {
  background: rgba(255, 255, 255, 0.92);
}

.header-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--cbag-primary), var(--ms-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(20, 184, 166, 0.35);
  color: #fff;
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -0.5px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.brand-titles h1 {
  font-size: 17.5px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.verified-seal-pill {
  font-size: 11px;
  font-weight: 700;
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 2px 8px;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.brand-titles p {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Department Navigation Tabs */
.nav-tabs-pill {
  display: flex;
  align-items: center;
  background: var(--bg-surface-elevated);
  padding: 5px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  gap: 6px;
}

.tab-btn {
  padding: 9px 20px;
  border-radius: 10px;
  border: none;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.tab-btn.active-cbag {
  background: var(--cbag-primary);
  color: #042f2e;
  box-shadow: 0 4px 14px rgba(20, 184, 166, 0.4);
}

.tab-btn.active-ms {
  background: var(--ms-primary);
  color: #1e1b4b;
  box-shadow: 0 4px 14px rgba(129, 140, 248, 0.4);
}

/* Header Utilities */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 16px;
}

.icon-btn:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Preset Scenario Quick-Bar */
.preset-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.preset-chip {
  padding: 6px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.preset-chip:hover {
  border-color: var(--cbag-primary);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* Layout Containers */
.main-content {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px 24px 110px 24px;
}

.view-section {
  display: none;
  animation: fadeIn 0.3s ease-out;
}

.view-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards & Layout Grid */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 24px;
}

@media (max-width: 1080px) {
  .grid-2col {
    grid-template-columns: 1fr;
  }
}

.panel-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.panel-header h2 {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Input Fields & Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-input, .form-select {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}

.form-input:focus, .form-select:focus {
  border-color: var(--cbag-primary);
  box-shadow: 0 0 0 2px var(--cbag-glow);
}

/* Tactile Primary Buttons */
.btn-primary-cbag {
  background: linear-gradient(135deg, var(--cbag-primary), var(--cbag-primary-dark));
  color: #042f2e;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 16px rgba(20, 184, 166, 0.35);
}

.btn-primary-cbag:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(20, 184, 166, 0.45);
}

.btn-primary-ms {
  background: linear-gradient(135deg, var(--ms-primary), var(--ms-primary-dark));
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

.btn-primary-ms:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 9px 16px;
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Diagnostic Output Banners */
.diagnosis-banner {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  border: 1px solid transparent;
}

.diagnosis-banner.critical {
  background: rgba(239, 68, 68, 0.14);
  border-color: rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  animation: pulseAlert 2.5s infinite;
}

@keyframes pulseAlert {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.3); }
  50% { box-shadow: 0 0 20px 4px rgba(239, 68, 68, 0.15); }
}

.diagnosis-banner.warning {
  background: rgba(245, 158, 11, 0.14);
  border-color: rgba(245, 158, 11, 0.35);
  color: #fcd34d;
}

.diagnosis-banner.normal {
  background: rgba(16, 185, 129, 0.14);
  border-color: rgba(16, 185, 129, 0.35);
  color: #6ee7b7;
}

.diagnosis-title {
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 4px;
  color: var(--text-primary);
}

/* KPI Chips */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(105px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.kpi-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
  transition: transform 0.2s;
}

.kpi-card:hover {
  transform: translateY(-2px);
}

.kpi-label {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 600;
}

.kpi-value {
  font-size: 21px;
  font-weight: 900;
  margin-top: 4px;
  letter-spacing: -0.5px;
}

/* 2D Davenport Acid-Base Nomogram Canvas */
.nomogram-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 20px;
}

.nomogram-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.nomogram-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--cbag-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nomogram-canvas-wrapper {
  position: relative;
  width: 100%;
  height: 240px;
  background: #090e17;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

canvas#davenport-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Floating AI Clinical Assistant Button */
.floating-ai-agent-btn {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 100;
  background: linear-gradient(135deg, #0d9488, #6366f1);
  color: #ffffff;
  border: none;
  border-radius: 9999px;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 10px 28px rgba(99, 102, 241, 0.45);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.floating-ai-agent-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 14px 34px rgba(99, 102, 241, 0.55);
}

/* Modal Windows */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open {
  display: flex;
}

.modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  max-width: 650px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Chat Bubbles in AI Modal */
.chat-stream {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 420px;
  overflow-y: auto;
  padding: 4px;
}

.chat-bubble {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  line-height: 1.7;
  max-width: 85%;
}

.chat-bubble.assistant {
  align-self: flex-start;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.chat-bubble.user {
  align-self: flex-end;
  background: var(--cbag-primary-dark);
  color: #f0fdfa;
}

/* Print Styles */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .header-glass, .floating-ai-agent-btn, .tab-btn, .btn-primary-cbag, .btn-primary-ms, .icon-btn, .preset-bar {
    display: none !important;
  }
  .panel-card {
    border: 1px solid #ccc !important;
    box-shadow: none !important;
    background: #ffffff !important;
  }
}