@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Fira+Code:wght@400;500;600&display=swap');

/* 
   Lab Maya: IP Address Configuration Simulation
   Design System & Styling
   Built for Kemendikdasmen 2026 Digital Learning Material Contest
*/

/* ----------------------------------------------------
   1. VARIABLES & THEMES (Default: Light Mode)
   ---------------------------------------------------- */
:root {
  /* Light Mode Palette */
  --bg-primary: #f8fafc;        /* Soft gray-blue background */
  --bg-surface: #ffffff;        /* Pure white cards */
  --bg-elevated: #f1f5f9;       /* Light gray elevated elements */
  --bg-terminal: #0f172a;       /* Terminals remain dark for contrast */
  --bg-body: #e2e8f0;           /* Surround background */
  --bg-header: rgba(255, 255, 255, 0.85);
  --bg-nav: rgba(255, 255, 255, 0.95);
  --bg-input: rgba(241, 245, 249, 0.9);
  --bg-pool: rgba(241, 245, 249, 0.5);
  --bg-glass: rgba(255, 255, 255, 0.65);
  
  --border-color: #cbd5e1;      /* Cool gray border */
  --border-focus: #3b82f6;      /* Bright blue focus */
  
  /* Accent Colors */
  --accent-blue: #2563eb;       /* Electric blue */
  --accent-blue-glow: rgba(37, 99, 235, 0.08);
  
  --accent-green: #059669;      /* Success green */
  --accent-green-glow: rgba(5, 150, 105, 0.08);
  
  --accent-red: #d93838;        /* Error red */
  --accent-red-glow: rgba(217, 56, 56, 0.08);
  
  --accent-amber: #d97706;      /* Warning amber */
  --accent-amber-glow: rgba(217, 119, 6, 0.08);
  
  --accent-purple: #7c3aed;     /* Purple accent */
  
  /* Text Colors */
  --text-primary: #0f172a;      /* Dark slate for text */
  --text-secondary: #475569;    /* Medium slate for secondary text */
  --text-muted: #94a3b8;        /* Light gray for placeholders */
  --text-terminal: #38bdf8;     /* Cyan terminal text */
  --text-terminal-green: #4ade80;
  --text-terminal-error: #f87171;
  
  /* Typography */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  /* Shadows & Blur */
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-neon-blue: 0 0 12px rgba(37, 99, 235, 0.2);
  --shadow-neon-green: 0 0 12px rgba(5, 150, 105, 0.2);
  --shadow-neon-red: 0 0 12px rgba(217, 56, 56, 0.2);
  
  --bg-ghost-hover: rgba(0, 0, 0, 0.05);
  --bg-secondary-hover: #cbd5e1;
  --text-secondary-hover: #0f172a;

  --glass-blur: blur(16px);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
}

/* Dark Mode Variables Override */
[data-theme="dark"] {
  --bg-primary: #0a0e17;        /* Deep space dark */
  --bg-surface: #121824;        /* Dark blue-gray surface */
  --bg-elevated: #1e2638;       /* Lighter glassmorphic surface */
  --bg-terminal: #07090e;       /* Pitch black for console */
  --bg-body: #05070a;           /* Surround background */
  --bg-header: rgba(18, 24, 36, 0.85);
  --bg-nav: rgba(18, 24, 36, 0.95);
  --bg-input: rgba(10, 14, 23, 0.8);
  --bg-pool: rgba(18, 24, 36, 0.4);
  --bg-glass: rgba(18, 24, 36, 0.6);
  
  --border-color: #26354a;      /* Cool steel blue border */
  --border-focus: #4f75ff;      /* Bright neon blue focus */
  
  /* Accent Colors */
  --accent-blue: #3b82f6;       /* Electric blue */
  --accent-blue-glow: rgba(59, 130, 246, 0.15);
  
  --accent-green: #10b981;      /* Emerald green */
  --accent-green-glow: rgba(16, 185, 129, 0.15);
  
  --accent-red: #ef4444;        /* Crimson red */
  --accent-red-glow: rgba(239, 68, 68, 0.15);
  
  --accent-amber: #f59e0b;      /* Amber gold */
  --accent-amber-glow: rgba(245, 158, 11, 0.15);
  
  --accent-purple: #8b5cf6;     /* Purple */
  
  /* Text Colors */
  --text-primary: #f3f4f6;      /* High contrast off-white */
  --text-secondary: #9ca3af;    /* Muted gray */
  --text-muted: #6b7280;        /* Darker gray */
  
  --bg-ghost-hover: rgba(255, 255, 255, 0.05);
  --bg-secondary-hover: #28334a;
  --text-secondary-hover: #ffffff;

  /* Shadows & Blur */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-neon-blue: 0 0 15px rgba(59, 130, 246, 0.4);
  --shadow-neon-green: 0 0 15px rgba(16, 185, 129, 0.4);
  --shadow-neon-red: 0 0 15px rgba(239, 68, 68, 0.4);
}

/* ----------------------------------------------------
   2. RESET & BASE STYLES
   ---------------------------------------------------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden; /* Lock viewport for 16:9 container */
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ----------------------------------------------------
   3. 16:9 CONTAINER LOCK
   ---------------------------------------------------- */
.app-container {
  width: 100%;
  height: 100dvh;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-y: auto;
  transition: all var(--transition-normal);
}

@media (min-width: 768px) and (orientation: landscape) {
  body {
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-body);
  }
  .app-container {
    width: 100vw;
    height: 56.25vw; /* 16:9 Aspect Ratio */
    max-width: 177.78vh; /* 16/9 * h */
    max-height: 100vh;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
  }
}

/* ----------------------------------------------------
   4. LAYOUT SYSTEM
   ---------------------------------------------------- */
header {
  height: 70px;
  background-color: var(--bg-header);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 100;
  position: relative;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  cursor: pointer;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-text-fill-color: var(--text-primary);
  font-weight: 900;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.main-content {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.view-section {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 2rem;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  z-index: 10;
}

.view-section.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  z-index: 20;
}

/* ----------------------------------------------------
   5. BUTTONS (Premium & Touch Friendly)
   ---------------------------------------------------- */
.btn {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px; /* Touch target minimum */
  min-width: 100px;
  transition: all var(--transition-fast);
  user-select: none;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background-color: #2563eb;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-neon-blue);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  background-color: var(--bg-elevated);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-secondary-hover);
  border-color: var(--accent-blue);
  color: var(--text-secondary-hover);
}

.btn-success {
  background-color: var(--accent-green);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  background-color: #059669;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-neon-green);
}

.btn-danger {
  background-color: var(--accent-red);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background-color: #dc2626;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-neon-red);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background-color: var(--bg-ghost-hover);
}

.btn-ghost.active {
  color: var(--accent-blue);
  background-color: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ----------------------------------------------------
   6. PREMIUM GLASSMORPHIC CARDS & PANELS
   ---------------------------------------------------- */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  border-color: var(--accent-blue);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4), var(--accent-blue-glow);
}

.panel-glass {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: 16px;
}

/* ----------------------------------------------------
   7. FORM INPUTS & INTERACTION
   ---------------------------------------------------- */
.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  background-color: var(--bg-input);
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  min-height: 44px;
  width: 100%;
  outline: none;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(79, 117, 255, 0.2);
}

.form-control.is-invalid {
  border-color: var(--accent-red);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.form-control.is-valid {
  border-color: var(--accent-green);
}

.form-control.is-valid:focus {
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.invalid-feedback {
  color: #f87171;
  font-size: 0.75rem;
  margin-top: 0.25rem;
  display: none;
}

.form-control.is-invalid + .invalid-feedback {
  display: block;
}

/* Specific IP Input Field Layouts */
.ip-input-container {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  direction: ltr;
}

.ip-octet {
  width: 60px;
  text-align: center;
  padding: 0.5rem;
  font-family: var(--font-mono);
}

/* Hide arrow wheels on numbers */
.ip-octet::-webkit-outer-spin-button,
.ip-octet::-webkit-inner-spin-button {
  -webkit-appearance: none;
  appearance: none;
  margin: 0;
}
.ip-octet[type=number] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.ip-dot {
  font-weight: bold;
  color: var(--text-muted);
}

/* ----------------------------------------------------
   8. DRAG AND DROP STYLES
   ---------------------------------------------------- */
.drag-container {
  display: flex;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.drag-pool {
  flex: 1;
  background-color: var(--bg-pool);
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  min-height: 120px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-content: flex-start;
}

.drag-item {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: grab;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.drag-item:active {
  cursor: grabbing;
  transform: scale(0.97);
}

.drop-zone {
  flex: 1;
  background-color: var(--bg-surface);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  transition: all var(--transition-normal);
}

.drop-zone.drag-over {
  border-color: var(--accent-blue);
  background-color: rgba(59, 130, 246, 0.05);
}

.drop-zone-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

/* ----------------------------------------------------
   9. TERMINAL & CONSOLE EMULATORS
   ---------------------------------------------------- */
.terminal {
  background-color: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.terminal-header {
  background-color: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-title {
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.terminal-controls {
  display: flex;
  gap: 0.35rem;
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.terminal-dot.red { background-color: #ef4444; }
.terminal-dot.yellow { background-color: #f59e0b; }
.terminal-dot.green { background-color: #10b981; }

.terminal-body {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  height: 250px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  scroll-behavior: smooth;
  color: #f3f4f6;
}

.terminal-line {
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-line.input-prompt {
  color: #f3f4f6;
  display: flex;
  align-items: center;
}

.terminal-line.output {
  color: var(--text-terminal);
}

.terminal-line.output-success {
  color: var(--text-terminal-green);
}

.terminal-line.output-error {
  color: var(--text-terminal-error);
}

.terminal-input-container {
  display: flex;
  align-items: center;
  width: 100%;
}

.terminal-prompt-symbol {
  color: var(--accent-green);
  margin-right: 0.5rem;
  font-weight: bold;
}

.terminal-input-field {
  background: transparent;
  border: none;
  color: #f3f4f6;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  flex: 1;
  outline: none;
}

/* ----------------------------------------------------
   10. SYSTEM GRAPHICS & TOPOLOGY VISUALS
   ---------------------------------------------------- */
.topology-container {
  background-color: var(--bg-pool);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  min-height: 180px;
}

.topology-svg {
  width: 100%;
  max-width: 500px;
  height: auto;
}

.topology-node {
  transition: all var(--transition-fast);
  cursor: pointer;
}

.topology-node:hover {
  filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.6));
}

.topology-link {
  stroke: var(--border-color);
  stroke-width: 2;
  stroke-dasharray: 4;
  animation: dash 30s linear infinite;
}

.topology-link.active {
  stroke: var(--accent-green);
  filter: drop-shadow(0 0 4px var(--accent-green));
}

@keyframes dash {
  to {
    stroke-dashoffset: -1000;
  }
}

/* ----------------------------------------------------
   11. PROGRESS STEPS AND ACCORDIONS
   ---------------------------------------------------- */
.progress-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
  position: relative;
}

.progress-steps::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--border-color);
  transform: translateY(-50%);
  z-index: 1;
}

.progress-step-item {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--bg-surface);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.875rem;
  z-index: 2;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.progress-step-item.active {
  border-color: var(--accent-blue);
  background-color: var(--bg-primary);
  color: var(--accent-blue);
  box-shadow: var(--shadow-neon-blue);
}

.progress-step-item.completed {
  border-color: var(--accent-green);
  background-color: var(--accent-green);
  color: var(--text-primary);
}

/* ----------------------------------------------------
   12. SHAKE & ANIMATIONS
   ---------------------------------------------------- */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.shake {
  animation: shake 0.2s ease-in-out 0s 2;
}

@keyframes success-pulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  70% { transform: scale(1.02); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.pulse-success {
  animation: success-pulse 0.6s ease-out;
}

.fadeIn {
  animation: fadeIn 0.4s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ----------------------------------------------------
   13. RESPONSIVE MODULE GRIDS & UTILITIES
   ---------------------------------------------------- */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: 1.25rem;
}

.two-col-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  height: 100%;
}

@media (min-width: 1024px) {
  .two-col-grid {
    grid-template-columns: 1fr 1.2fr;
  }
  .two-col-grid.reverse {
    grid-template-columns: 1.2fr 1fr;
  }
  .two-col-grid.evaluation-layout {
    grid-template-columns: 0.7fr 1.5fr;
  }
  .two-col-grid.results-layout {
    grid-template-columns: 1fr 1.2fr;
  }
}

/* ----------------------------------------------------
   14. BOTTOM NAVIGATION FOR MOBILE
   ---------------------------------------------------- */
.bottom-nav {
  display: none;
}

@media (max-width: 767px), (orientation: portrait) {
  header .nav-links {
    display: none;
  }
  .bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background-color: var(--bg-nav);
    backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--border-color);
    z-index: 1000;
    justify-content: space-around;
    align-items: center;
    padding: 0 0.5rem;
  }
  .bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    gap: 0.25rem;
    flex: 1;
    height: 100%;
    justify-content: center;
    transition: color var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
  }
  .bottom-nav-item svg {
    width: 20px;
    height: 20px;
    stroke-width: 2.2;
  }
  .bottom-nav-item.active {
    color: var(--accent-blue);
  }
  /* Add padding to the bottom of main container so content doesn't get hidden under bottom-nav */
  .view-section {
    padding-bottom: 80px !important;
  }
  
  /* Ensure layouts stack on mobile */
  .two-col-grid {
    grid-template-columns: 1fr !important;
    overflow-y: auto !important;
  }
}

/* ----------------------------------------------------
   15. COARSE POINTER (TOUCH / IFP) TARGETS
   ---------------------------------------------------- */
@media (pointer: coarse) {
  .btn {
    min-height: 56px;
    font-size: 0.95rem;
  }
  .drag-item {
    min-height: 54px;
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
  }
  .form-control {
    min-height: 54px;
    font-size: 1.05rem;
  }
  .ip-octet {
    width: 68px;
  }
  /* Remove hover transformations on touch devices to avoid sticky hover states */
  .card-interactive:hover {
    transform: none !important;
    box-shadow: var(--shadow-md) !important;
  }
  .btn-primary:hover {
    transform: none !important;
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3) !important;
  }
}

/* Large Screen Scaling for IFP */
@media (min-width: 1440px) {
  :root {
    --font-scale: 1.15;
  }
  body {
    font-size: calc(1rem * var(--font-scale));
  }
  header {
    height: 80px;
  }
  .logo-section {
    font-size: 1.4rem;
  }
  .btn {
    font-size: calc(0.875rem * var(--font-scale));
    min-height: 50px;
  }
  .form-control {
    font-size: calc(1rem * var(--font-scale));
    min-height: 50px;
  }
}

/* ----------------------------------------------------
   16. RIPPLE EFFECT FOR ANDROID SIMULATION
   ---------------------------------------------------- */
.ripple-container {
  position: relative;
  overflow: hidden;
}

.ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: ripple-animation 0.5s ease-out;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ----------------------------------------------------
   17. PRINT STYLES (PDF REPORT FRIENDLY)
   ---------------------------------------------------- */
@media print {
  body {
    background-color: #fff !important;
    color: #000 !important;
    overflow: visible !important;
  }
  .app-container {
    border: none !important;
    box-shadow: none !important;
    width: 100% !important;
    height: auto !important;
    max-width: none !important;
    max-height: none !important;
    overflow: visible !important;
    background-color: #fff !important;
  }
  header, .bottom-nav, .btn, #next-case-btn, #btn-reset-state, .nav-links {
    display: none !important;
  }
  .view-section {
    position: static !important;
    width: 100% !important;
    height: auto !important;
    padding: 0 !important;
    overflow: visible !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    background: none !important;
  }
  .card, .panel-glass {
    background: none !important;
    border: 1px solid #ccc !important;
    color: #000 !important;
    box-shadow: none !important;
    page-break-inside: avoid;
  }
  h1, h2, h3, h4, p, span, div, td, th {
    color: #000 !important;
  }
  .two-col-grid {
    display: block !important;
  }
  code, pre {
    background-color: #eee !important;
    color: #000 !important;
    border: 1px solid #ccc !important;
  }
}