/* =========================================================
   TERMINAL TOUCH TYPING - RETRO CYBERPUNK CLI DESIGN SYSTEM
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@300;400;500;600;700&family=JetBrains+Mono:ital,wght@0,300;0,400;0,600;0,700;1,400&family=Share+Tech+Mono&display=swap');

:root {
  /* Default Theme: Matrix Green */
  --bg-color: #080c0e;
  --bg-surface: #0e161a;
  --bg-surface-elevated: #152228;
  --border-color: #1e333a;
  --border-glow: rgba(0, 255, 102, 0.25);
  
  --primary: #00ff66;
  --primary-rgb: 0, 255, 102;
  --primary-dark: #008f39;
  --primary-glow: 0 0 15px rgba(0, 255, 102, 0.4);

  --secondary: #00f0ff;
  --secondary-rgb: 0, 240, 255;
  --warning: #ffb000;
  --danger: #ff0055;
  --danger-rgb: 255, 0, 85;

  --text-main: #e2fbe8;
  --text-dim: #5c7e71;
  --text-muted: #3a5349;
  --text-pending: #445951;

  /* 10-Finger Zone Colors (Vibrant Cyberpunk Palette) */
  --finger-pinky-left: #ff007f;    /* Neon Magenta */
  --finger-ring-left: #ff5500;     /* Neon Orange */
  --finger-middle-left: #ffcc00;   /* Bright Yellow */
  --finger-index-left: #00f0ff;    /* Cyber Cyan */
  --finger-thumb: #00ff66;         /* Matrix Green */
  --finger-index-right: #00bfff;   /* Deep Cyan / Sky Blue */
  --finger-middle-right: #a855f7;  /* Purple */
  --finger-ring-right: #ec4899;    /* Pink */
  --finger-pinky-right: #f43f5e;   /* Rose Red */

  --font-mono: 'JetBrains Mono', 'Fira Code', 'Share Tech Mono', monospace;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* Theme Variations */
[data-theme="cyberpunk"] {
  --bg-color: #0b0813;
  --bg-surface: #141024;
  --bg-surface-elevated: #1e1838;
  --border-color: #352a5c;
  --border-glow: rgba(0, 240, 255, 0.3);
  --primary: #00f0ff;
  --primary-rgb: 0, 240, 255;
  --primary-dark: #009db3;
  --primary-glow: 0 0 15px rgba(0, 240, 255, 0.4);
  --secondary: #ff007f;
  --text-main: #ecf8ff;
  --text-dim: #726f9c;
  --text-muted: #4b456d;
  --text-pending: #544e78;
}

[data-theme="amber"] {
  --bg-color: #110c04;
  --bg-surface: #1c1407;
  --bg-surface-elevated: #2b1f0c;
  --border-color: #473315;
  --border-glow: rgba(255, 176, 0, 0.3);
  --primary: #ffb000;
  --primary-rgb: 255, 176, 0;
  --primary-dark: #b87e00;
  --primary-glow: 0 0 15px rgba(255, 176, 0, 0.4);
  --secondary: #ff5500;
  --text-main: #fffae6;
  --text-dim: #8c764e;
  --text-muted: #57462a;
  --text-pending: #635031;
}

[data-theme="dracula"] {
  --bg-color: #1e1f29;
  --bg-surface: #282a36;
  --bg-surface-elevated: #343746;
  --border-color: #44475a;
  --border-glow: rgba(189, 147, 249, 0.3);
  --primary: #50fa7b;
  --primary-rgb: 80, 250, 123;
  --primary-dark: #2bc852;
  --primary-glow: 0 0 15px rgba(80, 250, 123, 0.4);
  --secondary: #bd93f9;
  --text-main: #f8f8f2;
  --text-dim: #8b92b2;
  --text-muted: #6272a4;
  --text-pending: #6272a4;
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  /* Hilangkan scrollbar untuk Firefox & IE/Edge di semua elemen */
  scrollbar-width: none;
  -ms-overflow-style: none;
}

/* Hilangkan scrollbar untuk WebKit browsers (Chrome, Safari, Edge baru, Opera) */
*::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

html, body {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

body {
  font-family: var(--font-mono);
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  user-select: none;
}

/* Optional CRT Scanlines Effect */
body.crt-active::before {
  content: " ";
  display: block;
  position: fixed;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
  z-index: 999;
  background-size: 100% 3px, 6px 100%;
  pointer-events: none;
  opacity: 0.8;
}

/* Background Terminal Grid Glow */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(var(--primary-rgb), 0.07) 0%, transparent 60%),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 32px 32px, 32px 32px;
  pointer-events: none;
  z-index: 0;
}

/* App Container */
.app-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  width: 95%;
  margin: 1rem auto 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Keyboard Section Container */
.keyboard-section {
  padding: 1rem 1.25rem 1.25rem;
  background-color: rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

/* Terminal Window Frame */
.terminal-window {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), var(--border-glow) 0 0 20px;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

/* Terminal Title Bar */
.terminal-header {
  background-color: var(--bg-surface-elevated);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  opacity: 0.85;
  transition: opacity var(--transition-fast);
}
.dot:hover { opacity: 1; }
.dot.red { background-color: #ff5f56; box-shadow: 0 0 6px #ff5f56; }
.dot.yellow { background-color: #ffbd2e; box-shadow: 0 0 6px #ffbd2e; }
.dot.green { background-color: #27c93f; box-shadow: 0 0 6px #27c93f; }

.terminal-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-shadow: var(--primary-glow);
}

.terminal-quick-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.svg-icon {
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 0;
  vertical-align: middle;
}

.svg-icon-sm {
  width: 12px;
  height: 12px;
}

.svg-icon-md {
  width: 18px;
  height: 18px;
}

.svg-icon-lg {
  width: 24px;
  height: 24px;
}

.svg-stroke {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: var(--primary-glow);
  background-color: rgba(var(--primary-rgb), 0.05);
}

.icon-btn.active {
  color: var(--primary);
  border-color: var(--primary);
  background-color: rgba(var(--primary-rgb), 0.12);
}

/* Mode Switcher Navigation */
.terminal-nav {
  padding: 0.75rem 1.25rem;
  background-color: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.mode-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--bg-surface-elevated);
  padding: 0.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.mode-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 500;
}

.mode-btn:hover {
  color: var(--text-main);
}

.mode-btn.active {
  background-color: rgba(var(--primary-rgb), 0.15);
  color: var(--primary);
  font-weight: 600;
  box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.2);
}

.sub-config {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.config-select, .config-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  outline: none;
  transition: all var(--transition-fast);
}

.config-select:focus, .config-btn:hover {
  border-color: var(--primary);
  box-shadow: var(--primary-glow);
}

/* Custom Dropdown Component (Replaces native select) */
.custom-dropdown {
  position: relative;
  display: inline-block;
  user-select: none;
}

.custom-dropdown-toggle {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.38rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  outline: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  transition: all var(--transition-fast);
  width: 100%;
  text-align: left;
}

.custom-dropdown-toggle:hover,
.custom-dropdown.open .custom-dropdown-toggle {
  border-color: var(--primary);
  box-shadow: var(--primary-glow);
  color: var(--primary);
}

.custom-dropdown .dropdown-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}

.custom-dropdown .dropdown-arrow {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
  color: var(--text-dim);
}

.custom-dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

.custom-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  min-width: 100%;
  max-height: 240px;
  overflow-y: auto;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.7), var(--border-glow) 0 0 15px;
  z-index: 100;
  list-style: none;
  margin: 0;
  padding: 0.25rem 0;
  backdrop-filter: blur(12px);
}

.custom-dropdown.open .custom-dropdown-menu {
  display: block;
  animation: dropdownFadeIn 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.custom-dropdown-item {
  padding: 0.5rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-fast);
}

.custom-dropdown-item:hover,
.custom-dropdown-item.focused {
  background-color: rgba(var(--primary-rgb), 0.15);
  color: var(--primary);
}

.custom-dropdown-item.active {
  background-color: rgba(var(--primary-rgb), 0.22);
  color: var(--primary);
  font-weight: 600;
}

.custom-dropdown-item.active::after {
  content: '✓';
  font-size: 0.85rem;
  margin-left: 0.5rem;
  color: var(--primary);
}

/* Visually Hidden Helper (Keeps native select accessible for automation / fallback) */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* Stats Bar Top */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1rem 1.5rem;
  background-color: rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid var(--border-color);
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  text-shadow: var(--primary-glow);
  line-height: 1;
}

.stat-value.secondary { color: var(--secondary); text-shadow: 0 0 15px rgba(var(--secondary-rgb), 0.4); }
.stat-value.warning { color: var(--warning); }
.stat-value.danger { color: var(--danger); text-shadow: 0 0 15px rgba(var(--danger-rgb), 0.4); }

/* Typing Arena */
.typing-arena-wrapper {
  position: relative;
  padding: 1.5rem 2rem 1.25rem;
  height: 140px;
  max-height: 140px;
  overflow: hidden;
  cursor: text;
  background-color: rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.typing-arena-wrapper:focus-within {
  box-shadow: inset 0 0 20px rgba(var(--primary-rgb), 0.08);
}

.hidden-input {
  position: absolute;
  opacity: 0;
  left: -9999px;
  top: -9999px;
  pointer-events: none;
}

.typing-text-container {
  overflow: hidden;
  position: relative;
  height: 95px;
}

.typing-text {
  font-size: 1.45rem;
  line-height: 2.1;
  letter-spacing: 0.04em;
  color: var(--text-pending);
  word-break: break-word;
  white-space: pre-wrap;
  transition: transform 0.18s cubic-bezier(0.2, 0, 0.2, 1);
  position: relative;
  top: 0;
}

/* Character States */
.char {
  position: relative;
  transition: color 0.1s ease, background-color 0.1s ease;
  border-radius: 2px;
}

.char.correct {
  color: var(--primary);
  text-shadow: 0 0 8px rgba(var(--primary-rgb), 0.5);
}

.char.incorrect {
  color: var(--danger);
  background-color: rgba(var(--danger-rgb), 0.2);
  text-decoration: underline;
  text-decoration-color: var(--danger);
}

.char.current {
  color: #ffffff;
  background-color: rgba(var(--primary-rgb), 0.25);
}

/* Blinking Terminal Cursor */
.char.current::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary);
  box-shadow: var(--primary-glow);
  animation: cursorBlink 0.9s infinite;
}

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

/* Prompt CLI line */
.cli-prompt {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.cli-prompt .prompt-symbol {
  color: var(--primary);
  font-weight: 700;
}

/* Restart Bar Action */
.action-toolbar {
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-surface-elevated);
}

.restart-btn {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.restart-btn:hover {
  background: var(--primary);
  color: #000000;
  box-shadow: var(--primary-glow);
  transform: translateY(-1px);
}

.restart-btn:active {
  transform: translateY(0);
}

.shortcut-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.shortcut-hint kbd {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  color: var(--text-dim);
}

/* =========================================================
   10-FINGER VIRTUAL KEYBOARD & HANDS VISUALIZER
   ========================================================= */

.finger-guide-bar {
  padding: 0.6rem 1.25rem;
  background-color: rgba(0, 0, 0, 0.35);
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.guide-tag {
  color: var(--text-dim);
}
.guide-char {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  border: 1px solid var(--border-color);
}
.guide-separator {
  color: var(--border-color);
}
.guide-badge {
  background: var(--secondary);
  color: #000;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
}

/* Keyboard Section Container */
.keyboard-section {
  padding: 1.25rem;
  background-color: rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.virtual-keyboard {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  max-width: 900px;
}

.keyboard-row {
  display: flex;
  gap: 6px;
  justify-content: center;
}

/* Individual Key Styling */
.keyboard-key {
  position: relative;
  flex: 1;
  height: 48px;
  min-width: 32px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 5px 3px 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  transition: all 0.1s ease;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.5);
  box-sizing: border-box;
}

/* Tombol tanpa simbol shift akan memposisikan karakter tepat di tengah */
.keyboard-key:not(:has(.key-shift)) {
  justify-content: center;
}

.keyboard-key .key-shift {
  font-size: 0.65rem;
  opacity: 0.7;
  line-height: 1;
  margin-bottom: 2px;
  color: var(--text-dim);
}

.keyboard-key .key-main {
  line-height: 1;
  font-size: 0.85rem;
}

/* Home key bump for F and J tactile feeling */
.home-bump {
  position: absolute;
  bottom: 2px;
  width: 12px;
  height: 2px;
  background-color: var(--text-muted);
  border-radius: 2px;
}

/* Key Width Utilities */
.w-backspace { flex: 1.8; }
.w-tab { flex: 1.4; }
.w-pipe { flex: 1.4; }
.w-caps { flex: 1.7; }
.w-enter { flex: 2.1; }
.w-shift-left { flex: 2.3; }
.w-shift-right { flex: 2.3; }
.w-space { flex: 6.5; }
.w-mod { flex: 1.2; font-size: 0.7rem; }

/* Finger Color Accents (Subtle Underlines on Keys) */
.finger-lp { border-bottom: 3px solid var(--finger-pinky-left); }
.finger-lr { border-bottom: 3px solid var(--finger-ring-left); }
.finger-lm { border-bottom: 3px solid var(--finger-middle-left); }
.finger-li { border-bottom: 3px solid var(--finger-index-left); }
.finger-th { border-bottom: 3px solid var(--finger-thumb); }
.finger-ri { border-bottom: 3px solid var(--finger-index-right); }
.finger-rm { border-bottom: 3px solid var(--finger-middle-right); }
.finger-rr { border-bottom: 3px solid var(--finger-ring-right); }
.finger-rp { border-bottom: 3px solid var(--finger-pinky-right); }

/* Target Key Highlight (Glow Effect) */
.keyboard-key.target-key {
  background-color: var(--bg-surface);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(var(--primary-rgb), 0.6), 0 3px 0 var(--primary-dark);
  transform: translateY(-2px);
  z-index: 2;
  animation: keyPulse 1.2s infinite alternate;
}

@keyframes keyPulse {
  from { box-shadow: 0 0 8px rgba(var(--primary-rgb), 0.4), 0 3px 0 var(--primary-dark); }
  to { box-shadow: 0 0 18px rgba(var(--primary-rgb), 0.8), 0 3px 0 var(--primary); }
}

.keyboard-key.require-shift {
  border-color: var(--secondary);
  box-shadow: 0 0 12px rgba(var(--secondary-rgb), 0.6);
  animation: shiftPulse 1.2s infinite alternate;
}

@keyframes shiftPulse {
  from { box-shadow: 0 0 8px rgba(var(--secondary-rgb), 0.4); }
  to { box-shadow: 0 0 18px rgba(var(--secondary-rgb), 0.8); }
}

/* Key Pressed Animation */
.keyboard-key.pressed {
  transform: translateY(2px);
  box-shadow: 0 0 0 rgba(0,0,0,0);
  background-color: var(--primary);
  color: #000000;
}

.keyboard-key.error-press {
  background-color: var(--danger) !important;
  color: #ffffff !important;
  border-color: var(--danger) !important;
}

/* Hands Visualizer (Left & Right Hands) */
.hands-visualizer {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-top: 0.5rem;
}

.hand-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.hand-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.fingers-container {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 55px;
}

.hand-finger {
  width: 14px;
  border-radius: 7px 7px 2px 2px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
  position: relative;
}

/* Realistic Finger Heights */
.finger-height-pinky { height: 32px; }
.finger-height-ring { height: 44px; }
.finger-height-middle { height: 52px; }
.finger-height-index { height: 46px; }
.finger-height-thumb { height: 26px; width: 18px; border-radius: 9px; }

/* Finger Color Identifiers */
#finger-lp { border-color: var(--finger-pinky-left); }
#finger-lr { border-color: var(--finger-ring-left); }
#finger-lm { border-color: var(--finger-middle-left); }
#finger-li { border-color: var(--finger-index-left); }
#finger-th-l, #finger-th-r { border-color: var(--finger-thumb); }
#finger-ri { border-color: var(--finger-index-right); }
#finger-rm { border-color: var(--finger-middle-right); }
#finger-rr { border-color: var(--finger-ring-right); }
#finger-rp { border-color: var(--finger-pinky-right); }

/* Active Finger State */
.hand-finger.active-finger {
  transform: translateY(-6px);
  box-shadow: 0 0 12px currentColor;
}
#finger-lp.active-finger { background-color: var(--finger-pinky-left); }
#finger-lr.active-finger { background-color: var(--finger-ring-left); }
#finger-lm.active-finger { background-color: var(--finger-middle-left); }
#finger-li.active-finger { background-color: var(--finger-index-left); }
#finger-th-l.active-finger, #finger-th-r.active-finger { background-color: var(--finger-thumb); }
#finger-ri.active-finger { background-color: var(--finger-index-right); }
#finger-rm.active-finger { background-color: var(--finger-middle-right); }
#finger-rr.active-finger { background-color: var(--finger-ring-right); }
#finger-rp.active-finger { background-color: var(--finger-pinky-right); }

/* 10-Finger Color Legend */
.finger-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.25rem;
  font-size: 0.7rem;
  color: var(--text-dim);
  padding: 0.5rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* =========================================================
   MODAL RESULT (TERMINAL SUMMARY REPORT)
   ========================================================= */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  width: 90%;
  max-width: 750px;
  background-color: var(--bg-surface);
  border: 1px solid var(--primary);
  box-shadow: 0 0 30px rgba(var(--primary-rgb), 0.3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-backdrop.active .modal-container {
  transform: scale(1);
}

.result-header {
  background-color: var(--bg-surface-elevated);
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.result-title {
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 700;
  text-shadow: var(--primary-glow);
}

.result-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.result-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  padding: 1rem;
  border-radius: var(--radius-md);
  text-align: center;
}

.result-card .card-value {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.result-rank-banner {
  background: rgba(var(--primary-rgb), 0.1);
  border: 1px solid var(--primary);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.rank-title {
  font-size: 0.85rem;
  color: var(--text-dim);
}
.rank-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
}

/* WPM Chart Container */
.chart-container {
  width: 100%;
  height: 150px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.5rem;
}

/* Finger Accuracy Heatmap Table in Modal */
.finger-report-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
}

.finger-report-table th, .finger-report-table td {
  padding: 0.4rem 0.6rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}
.finger-report-table th {
  color: var(--text-dim);
}

.modal-footer {
  padding: 1.25rem 1.5rem;
  background-color: var(--bg-surface-elevated);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.modal-btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  line-height: 1.2;
}

.modal-btn-primary {
  background: var(--primary);
  color: #000000;
  border: 1px solid var(--primary);
  box-shadow: 0 0 15px rgba(var(--primary-rgb), 0.35);
}

.modal-btn-primary:hover {
  background: #ffffff;
  border-color: #ffffff;
  color: #000000;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.6);
  transform: translateY(-1px);
}

.modal-btn-primary:active {
  transform: translateY(0);
}

.modal-btn-secondary {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border-color);
}

.modal-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-color: var(--text-dim);
  transform: translateY(-1px);
}

.modal-btn-secondary:active {
  transform: translateY(0);
}

/* =========================================================
   COMPREHENSIVE RESPONSIVE SYSTEM (280px - 4K DESKTOP)
   ========================================================= */

/* Desktop & Mobile visibility helpers */
.mobile-only {
  display: none !important;
}

/* 1. Large Tablet / Laptop Screen (< 1024px) */
@media (max-width: 1024px) {
  .app-container {
    width: 96%;
    margin: 0.75rem auto 1.25rem;
  }
  .virtual-keyboard {
    max-width: 100%;
  }
}

/* 2. Tablet & Medium Screen (< 768px) */
@media (max-width: 768px) {
  .desktop-only,
  section.desktop-only,
  div.desktop-only,
  a.desktop-only,
  li.desktop-only,
  span.desktop-only {
    display: none !important;
  }

  .mobile-only {
    display: inline-flex !important;
  }

  .mobile-only-block {
    display: block !important;
  }

  .app-container {
    width: 98%;
    margin: 0.35rem auto 1rem;
    gap: 0.5rem;
  }

  .terminal-header {
    padding: 0.5rem 0.75rem;
    gap: 0.5rem;
    flex-wrap: wrap;
  }

  .terminal-title {
    font-size: 0.8rem;
    gap: 0.35rem;
  }

  .terminal-title span {
    font-size: 0.78rem;
  }

  .terminal-quick-actions {
    gap: 0.35rem;
  }

  .icon-btn {
    padding: 0.3rem 0.5rem;
    font-size: 0.72rem;
    gap: 0.25rem;
  }

  .terminal-nav {
    padding: 0.5rem 0.75rem;
    gap: 0.5rem;
    flex-direction: column;
    align-items: stretch;
  }

  .mode-group {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.35rem;
    padding: 0.3rem;
  }

  .mode-btn {
    width: 100%;
    font-size: 0.75rem;
    padding: 0.45rem 0.35rem;
    text-align: center;
    justify-content: center;
  }

  .sub-config {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
  }

  .config-group {
    display: flex;
    width: 100%;
    gap: 0.35rem;
  }

  .config-btn {
    flex: 1;
    text-align: center;
    padding: 0.4rem 0.25rem;
    font-size: 0.75rem;
  }

  .config-select,
  .custom-dropdown,
  .custom-dropdown-toggle {
    width: 100%;
    font-size: 0.78rem;
    padding: 0.45rem 0.55rem;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.45rem;
    padding: 0.6rem 0.75rem;
  }

  .stat-card {
    padding: 0.45rem 0.55rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
  }

  .stat-label {
    font-size: 0.62rem;
    letter-spacing: 0.04em;
  }

  .stat-value {
    font-size: 1.45rem;
  }

  .typing-arena-wrapper {
    padding: 1rem 1.25rem;
    height: auto;
    min-height: 125px;
    max-height: 140px;
  }

  .typing-text {
    font-size: 1.2rem;
    line-height: 1.9;
  }

  .hands-visualizer,
  .finger-guide-bar,
  .keyboard-section {
    display: none !important;
  }

  /* Fullscreen Modal on Mobile & Tablet */
  .modal-backdrop {
    padding: 0;
    align-items: stretch;
  }

  .modal-container {
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    height: 100dvh;
    max-height: 100dvh;
    margin: 0;
    border-radius: 0;
    border: none;
    display: flex;
    flex-direction: column;
    box-shadow: none;
  }

  .result-header {
    flex-shrink: 0;
    padding: 0.75rem 1rem;
  }

  .result-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0.85rem;
    gap: 0.85rem;
  }

  .result-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.45rem;
  }

  .result-card {
    padding: 0.6rem 0.3rem;
  }

  .result-card .card-value {
    font-size: 1.35rem;
  }

  .result-card .stat-label {
    font-size: 0.65rem;
  }

  .chart-container {
    height: 135px;
  }

  .modal-footer {
    flex-shrink: 0;
    padding: 0.75rem 1rem;
    background: var(--bg-surface-elevated);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .modal-footer .modal-btn {
    width: 100%;
    justify-content: center;
    padding: 0.75rem;
    font-size: 0.85rem;
  }
}

/* 3. Standard Smartphone (< 580px) */
@media (max-width: 580px) {
  .terminal-header {
    padding: 0.45rem 0.6rem;
    gap: 0.35rem;
  }

  .terminal-title {
    font-size: 0.74rem;
    gap: 0.25rem;
  }

  .terminal-title span {
    font-size: 0.72rem;
    font-weight: 700;
  }

  .terminal-quick-actions {
    gap: 0.25rem;
  }

  /* Compact quick actions: Hide full text, keep icons clean & tap target accessible */
  .terminal-quick-actions .icon-btn {
    padding: 0.35rem 0.45rem;
    font-size: 0.68rem;
    gap: 0.2rem;
  }

  .terminal-quick-actions .icon-btn span {
    display: none;
  }

  .mode-group {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.3rem;
    padding: 0.25rem;
  }

  .mode-btn {
    padding: 0.45rem 0.3rem;
    font-size: 0.72rem;
    gap: 0.3rem;
  }

  .mode-btn .svg-icon {
    width: 12px;
    height: 12px;
  }

  .sub-config {
    gap: 0.35rem;
  }

  .config-btn {
    padding: 0.38rem 0.2rem;
    font-size: 0.72rem;
  }

  .config-select,
  .custom-dropdown,
  .custom-dropdown-toggle {
    width: 100%;
    font-size: 0.74rem;
    padding: 0.4rem 0.5rem;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.35rem;
    padding: 0.5rem 0.6rem;
  }

  .stat-card {
    padding: 0.4rem 0.45rem;
  }

  .stat-label {
    font-size: 0.6rem;
    letter-spacing: 0.03em;
  }

  .stat-value {
    font-size: 1.35rem;
  }

  .typing-arena-wrapper {
    padding: 0.75rem 0.85rem;
    min-height: 115px;
  }

  .typing-text {
    font-size: 1.12rem;
    line-height: 1.8;
  }

  .cli-prompt {
    font-size: 0.72rem;
    margin-top: 0.5rem;
  }

  .action-toolbar {
    flex-direction: column;
    gap: 0.4rem;
    padding: 0.6rem 0.85rem;
    align-items: stretch;
    border-bottom-left-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
  }

  .restart-btn {
    width: 100%;
    justify-content: center;
    padding: 0.6rem;
    font-size: 0.8rem;
  }

  .shortcut-hint {
    font-size: 0.68rem;
    text-align: center;
  }
}

/* 4. Extra Small Screen & Mini Devices (< 360px - e.g. iPhone SE 320px, Galaxy Fold 280px) */
@media (max-width: 360px) {
  .app-container {
    width: 100%;
    margin: 0;
    border-radius: 0;
  }

  .terminal-window {
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .terminal-header {
    padding: 0.4rem 0.5rem;
    gap: 0.25rem;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .terminal-controls {
    gap: 4px;
  }

  .dot {
    width: 8px;
    height: 8px;
  }

  .terminal-title {
    font-size: 0.7rem;
    gap: 0.25rem;
    max-width: calc(100% - 100px);
  }

  .terminal-title span {
    font-size: 0.68rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .terminal-quick-actions {
    gap: 0.2rem;
  }

  .icon-btn {
    padding: 0.2rem 0.3rem;
    font-size: 0.62rem;
  }

  .mode-btn {
    font-size: 0.65rem;
    padding: 0.3rem 0.2rem;
  }

  .stat-label {
    font-size: 0.55rem;
  }

  .stat-value {
    font-size: 1.15rem;
  }

  .typing-text {
    font-size: 0.98rem;
    line-height: 1.65;
  }

  .result-grid {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .result-card .card-value {
    font-size: 1.25rem;
  }

  .modal-footer {
    padding: 0.5rem 0.75rem;
    gap: 0.4rem;
  }

  .modal-footer .modal-btn {
    padding: 0.6rem 0.5rem;
    font-size: 0.75rem;
  }
}