/* ==========================================================================
   MegaDisease AI — Modern Medical Design System & Styling
   ========================================================================== */

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Color Palette */
  --bg-dark: #07090e;
  --bg-card: rgba(15, 20, 32, 0.82);
  --bg-card-hover: rgba(22, 30, 48, 0.9);
  --bg-input: rgba(10, 14, 24, 0.7);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: #06b6d4;
  --border-glow: rgba(6, 182, 212, 0.35);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-crimson: #ef4444;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 25px rgba(6, 182, 212, 0.25);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.5;
}

/* Ambient glow background spheres */
.glow-sphere {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.18;
}
.sphere-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #06b6d4, transparent 70%);
  top: -150px;
  left: -100px;
}
.sphere-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #6366f1, transparent 70%);
  bottom: -150px;
  right: -100px;
}
.sphere-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #10b981, transparent 70%);
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.08;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 0;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-box {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #06b6d4, #6366f1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
}

.logo-icon {
  font-size: 22px;
  color: #fff;
  animation: heartPulse 2s infinite ease-in-out;
}

@keyframes heartPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.brand-text h1 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #fff;
}

.brand-text h1 span {
  color: var(--accent-cyan);
}

.tagline {
  font-size: 12px;
  color: var(--text-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.badge-dataset {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 13px;
  color: var(--text-secondary);
}
.badge-dataset i {
  color: var(--accent-cyan);
}

.btn-nav {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(99, 102, 241, 0.15));
  border: 1px solid rgba(6, 182, 212, 0.4);
  border-radius: var(--radius-full);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-nav:hover {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.3), rgba(99, 102, 241, 0.3));
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.3);
  transform: translateY(-1px);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  animation: pulseGreen 1.6s infinite;
}

@keyframes pulseGreen {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 7px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ==========================================================================
   Main Layout & Presets
   ========================================================================== */

.main-container {
  max-width: 1100px;
  margin: 28px auto 60px;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* Presets Bar */
.presets-section {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px 20px;
  margin-bottom: 24px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-subtle);
}

.presets-header {
  margin-bottom: 10px;
}

.preset-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 6px;
}

.presets-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.preset-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 7px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.preset-btn:hover, .preset-btn.active {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--accent-cyan);
  color: #fff;
  transform: translateY(-1px);
}

/* ==========================================================================
   Step Indicator Rail (With Animated Completed Checkmarks)
   ========================================================================== */

.step-nav {
  margin-bottom: 28px;
  position: relative;
}

.step-progress-bar {
  position: absolute;
  top: 24px;
  left: 5%;
  right: 5%;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  z-index: 0;
}

.step-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #06b6d4, #6366f1);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
}

.steps-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.step-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #0f1420;
  border: 2px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--text-muted);
  position: relative;
  transition: var(--transition-normal);
}

.step-check {
  display: none;
}

/* Active Step */
.step-item.active .step-circle {
  border-color: var(--accent-cyan);
  color: #fff;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(99, 102, 241, 0.2));
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
  transform: scale(1.08);
}

/* Completed Step with Checkmark */
.step-item.completed .step-circle {
  border-color: var(--accent-emerald);
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.35);
}

.step-item.completed .step-num {
  display: none;
}

.step-item.completed .step-check {
  display: block;
  font-size: 18px;
  animation: checkPop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes checkPop {
  0% { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.step-info {
  text-align: center;
}

.step-title {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.step-item.active .step-title {
  color: var(--accent-cyan);
}

.step-item.completed .step-title {
  color: var(--accent-emerald);
}

.step-sub {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
}

.step-connector {
  flex: 1;
}

/* ==========================================================================
   Slide Card Container & Panels
   ========================================================================== */

.slide-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.slide-pane {
  display: none;
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.slide-pane.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.slide-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.slide-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.slide-header h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.3px;
}

.slide-header p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ==========================================================================
   Form Fields, Inputs & Controls
   ========================================================================== */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.secondary-grid {
  margin-top: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.unit-badge {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  font-size: 15px;
  pointer-events: none;
  transition: var(--transition-fast);
}

input[type="number"],
input[type="text"],
select {
  width: 100%;
  padding: 12px 14px 12px 42px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition-fast);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%2394a3b8' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 20px;
}

select option {
  background: #0f1420;
  color: #fff;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--border-glow);
  background: rgba(15, 20, 32, 0.95);
}

input:focus + .input-icon,
.input-wrap:focus-within .input-icon {
  color: var(--accent-cyan);
}

.field-hint {
  font-size: 12px;
  color: var(--text-muted);
}

/* BMI Quick Bar */
.bmi-quick-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.bmi-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  font-weight: 600;
}

.text-btn {
  background: none;
  border: none;
  color: var(--accent-cyan);
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition-fast);
}

.text-btn:hover {
  text-decoration: underline;
  color: #fff;
}

/* ==========================================================================
   Toggle Cards & Switches (Step 3)
   ========================================================================== */

.toggles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.toggle-card {
  background: rgba(10, 14, 24, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition-fast);
}

.toggle-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(15, 20, 34, 0.7);
}

.toggle-card-content {
  display: flex;
  align-items: center;
  gap: 14px;
}

.toggle-icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.toggle-text h3 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}

.toggle-text p {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.3;
}

.toggle-control-group {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

/* Custom Glowing Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.15);
  transition: .3s cubic-bezier(0.4, 0, 0.2, 1);
}

.slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

input:checked + .slider {
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.5);
}

input:checked + .slider:before {
  transform: translateX(24px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

.toggle-subselect select {
  padding: 6px 12px;
  font-size: 12px;
  width: auto;
}

.slider-val-box {
  display: flex;
  align-items: center;
  gap: 8px;
}

.slider-val-box input[type="range"] {
  width: 100px;
  accent-color: var(--accent-cyan);
}

.range-display {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  min-width: 70px;
  text-align: right;
}

/* ==========================================================================
   Buttons & Slide Footer
   ========================================================================== */

.slide-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  color: #fff;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0891b2, #2563eb);
  box-shadow: 0 6px 22px rgba(6, 182, 212, 0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

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

.btn-accent {
  background: linear-gradient(135deg, #10b981, #06b6d4);
  color: #fff;
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
}

.btn-accent:hover {
  background: linear-gradient(135deg, #059669, #0891b2);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(16, 185, 129, 0.55);
}

.btn-pulse {
  animation: pulseGlow 2.5s infinite;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
  50% { box-shadow: 0 0 0 12px rgba(16, 185, 129, 0); }
}

/* ==========================================================================
   Slide 4: Results & Multi-Disease Visualizations
   ========================================================================== */

.results-header-banner {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.8));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  box-shadow: var(--shadow-subtle);
}

.banner-left {
  display: flex;
  align-items: center;
  gap: 18px;
}

.pulse-status-ring {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.15);
  border: 2px solid var(--accent-crimson);
  color: var(--accent-crimson);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.banner-tag {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.banner-left h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: #fff;
}

.banner-left p {
  font-size: 14px;
  color: var(--text-secondary);
}

.meta-score-box {
  background: rgba(10, 14, 24, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  text-align: right;
}

.score-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
}

.score-num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-cyan);
}

.score-desc {
  font-size: 11px;
  color: var(--text-secondary);
  display: block;
}

/* Boosting Probability Matrix */
.boosting-matrix-card {
  background: rgba(10, 14, 24, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 30px;
}

.matrix-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.matrix-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.matrix-badge {
  font-size: 11px;
  color: var(--accent-indigo);
  background: rgba(99, 102, 241, 0.15);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.boosting-bars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.bar-header {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  margin-bottom: 6px;
}

.algo-name {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.algo-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: #fff;
}

.algo-track {
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.algo-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.fill-xgb { background: linear-gradient(90deg, #06b6d4, #3b82f6); }
.fill-lgb { background: linear-gradient(90deg, #10b981, #06b6d4); }
.fill-cat { background: linear-gradient(90deg, #f59e0b, #ef4444); }
.fill-gb  { background: linear-gradient(90deg, #6366f1, #a855f7); }
.fill-ada { background: linear-gradient(90deg, #3b82f6, #06b6d4); }

/* Disease Cards Grid */
.diseases-section {
  margin-bottom: 30px;
}

.diseases-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.diseases-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-count {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-crimson);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.disease-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 18px;
}

.disease-card {
  background: rgba(13, 18, 30, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: var(--transition-fast);
}

.disease-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.disease-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.disease-name {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.disease-cat {
  font-size: 11px;
  color: var(--text-muted);
}

/* Badges */
.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-crimson);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-warning {
  background: rgba(249, 115, 22, 0.15);
  color: #f97316;
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.badge-moderate {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-low {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: var(--radius-full);
}

.disease-card p {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 16px;
}

/* Confidence Gauge Bar */
.confidence-meter {
  margin-bottom: 14px;
}

.conf-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: 5px;
}

.conf-label {
  color: var(--text-muted);
}

.conf-score {
  font-family: var(--font-mono);
  font-weight: 700;
  color: #fff;
}

.conf-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.conf-bar {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1s ease;
}

.bar-critical { background: var(--accent-crimson); box-shadow: 0 0 8px rgba(239, 68, 68, 0.6); }
.bar-high     { background: #f97316; box-shadow: 0 0 8px rgba(249, 115, 22, 0.6); }
.bar-moderate { background: var(--accent-amber); }
.bar-low      { background: var(--accent-blue); }
.bar-clear    { background: var(--accent-emerald); }

.biomarkers-box {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.biomarker-chip {
  font-size: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
}

/* Recommendations Card */
.recommendations-section {
  margin-bottom: 24px;
}

.rec-card {
  background: rgba(10, 14, 24, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
}

.rec-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.rec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rec-list li {
  font-size: 13px;
  color: var(--text-secondary);
  position: relative;
  padding-left: 20px;
  line-height: 1.4;
}

.rec-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-weight: bold;
}

/* ==========================================================================
   Modals & Diagnostics Center (Evaluation Metrics & Confusion Matrix)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.modal-backdrop.hidden {
  opacity: 0;
  pointer-events: none;
  display: none;
}

.modal-dialog {
  background: #0d121f;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 960px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  position: relative;
}

.modal-dialog-sm {
  max-width: 440px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 28px;
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  background: #0d121f;
  z-index: 10;
}

.modal-title-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.modal-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.modal-header h2, .modal-header h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.modal-header p {
  font-size: 12px;
  color: var(--text-secondary);
}

.btn-close {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.btn-close:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.modal-body {
  padding: 28px;
}

/* Overfitting Alert Banner */
.overfit-alert-banner {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  margin-bottom: 24px;
}

.alert-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.alert-status {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--accent-emerald);
}

.alert-content p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 2px 0 8px;
}

.alert-metrics-row {
  display: flex;
  gap: 20px;
  font-size: 12px;
  color: #fff;
}

.alert-metrics-row strong {
  color: var(--text-muted);
}

/* 4 Metrics KPI Cards */
.metrics-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 26px;
}

.kpi-card {
  background: rgba(15, 20, 32, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.kpi-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.kpi-title {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  display: block;
}

.kpi-val {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  display: block;
}

.kpi-sub {
  font-size: 11px;
  color: var(--text-secondary);
  display: block;
}

/* Diagnostics Split Grid */
.diagnostics-split {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 20px;
}

@media (max-width: 860px) {
  .diagnostics-split {
    grid-template-columns: 1fr;
  }
}

.diag-card {
  background: rgba(15, 20, 32, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.card-head h3 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cm-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* Confusion Matrix Heatmap */
.cm-table-wrap {
  position: relative;
  padding: 10px 10px 24px 24px;
}

.cm-axis-y {
  position: absolute;
  left: -5px;
  top: 50%;
  transform: rotate(-90deg) translateX(-50%);
  transform-origin: left top;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.cm-axis-x {
  text-align: center;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 8px;
}

.cm-matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.cm-cell {
  padding: 14px 12px;
  border-radius: var(--radius-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 3px;
  border: 1px solid transparent;
}

.cm-tn {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
}

.cm-tp {
  background: rgba(6, 182, 212, 0.2);
  border-color: rgba(6, 182, 212, 0.4);
}

.cm-fp {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.3);
}

.cm-fn {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
}

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

.cm-val {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}

.cm-pct {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
}

.cm-note {
  font-size: 10px;
  color: var(--text-muted);
}

/* Benchmark Table */
.table-responsive {
  overflow-x: auto;
  margin-bottom: 16px;
}

.algo-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.algo-table th {
  text-align: left;
  padding: 8px 10px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  font-weight: 600;
}

.algo-table td {
  padding: 8px 10px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-family: var(--font-mono);
}

.algo-table td:first-child {
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 600;
}

/* Fine-Tuning Box */
.finetune-box {
  background: rgba(6, 182, 212, 0.06);
  border: 1px dashed rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.finetune-box h4 {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.finetune-desc {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.finetune-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ft-field {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.ft-field select {
  padding: 6px 10px;
  font-size: 12px;
  width: auto;
}

.btn-sm {
  padding: 7px 14px;
  font-size: 12px;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-outline:hover {
  background: var(--accent-cyan);
  color: #000;
}

.finetune-status-msg {
  font-size: 11px;
  margin-top: 8px;
  color: var(--accent-emerald);
}

/* BMI Modal */
.bmi-calc-result {
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-md);
  padding: 14px;
  text-align: center;
  margin-top: 14px;
}

.bmi-calc-result strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--accent-cyan);
}

.modal-footer-actions {
  margin-top: 20px;
  padding-top: 14px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #0f172a;
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  color: #fff;
  font-size: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

/* Helpers */
.hidden {
  display: none !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .slide-card {
    padding: 24px 18px;
  }
  .steps-wrapper {
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .step-info {
    display: none;
  }
  .results-header-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .meta-score-box {
    width: 100%;
    text-align: left;
  }
}