/* ==========================================================================
   CLASSROOM HANGMAN - STYLESHEET
   Aesthetics: Premium Dark Glassmorphism & High-Contrast Classroom Visibility
   ========================================================================== */

/* 1. Global Reset & Variables */
:root {
  /* Color Palette (HSL for Harmonious Tuning) */
  --bg-dark: hsl(250, 24%, 6%);
  --bg-deep: hsl(250, 24%, 10%);
  --text-light: hsl(210, 25%, 96%);
  --text-muted: hsl(215, 20%, 75%);
  
  --accent-purple: hsl(265, 85%, 65%);
  --accent-cyan: hsl(190, 95%, 50%);
  --accent-cyan-glow: hsla(190, 95%, 50%, 0.3);
  --accent-purple-glow: hsla(265, 85%, 65%, 0.25);
  
  --color-success: hsl(145, 75%, 45%);
  --color-success-glow: hsla(145, 75%, 45%, 0.4);
  --color-error: hsl(355, 75%, 55%);
  --color-error-glow: hsla(355, 75%, 55%, 0.35);

  --team-red: hsl(350, 85%, 60%);
  --team-red-glow: hsla(350, 85%, 60%, 0.3);
  --team-blue: hsl(210, 95%, 55%);
  --team-blue-glow: hsla(210, 95%, 55%, 0.3);

  /* Glassmorphism Specs */
  --glass-bg: hsla(245, 20%, 14%, 0.65);
  --glass-border: hsla(0, 0%, 100%, 0.08);
  --glass-shadow: rgba(0, 0, 0, 0.5);

  /* Fonts */
  --font-display: 'Outfit', 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  font-family: var(--font-body);
  background: radial-gradient(circle at 50% 50%, var(--bg-deep) 0%, var(--bg-dark) 100%);
  color: var(--text-light);
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 20px;
}

/* 2. Interactive Confetti Canvas */
#confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 99;
  pointer-events: none;
}

/* 3. Core App Container */
.app-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* 4. App Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px var(--glass-shadow);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 1.8rem;
  animation: bounce 3s infinite ease-in-out;
}

.app-header h1 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-light) 30%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.theme-badge {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  padding: 6px 14px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 15px var(--accent-purple-glow);
}

/* 5. View States (Transitions) */
.view-panel {
  display: none;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.view-panel.active {
  display: flex;
  flex-direction: column;
  gap: 24px;
  opacity: 1;
  transform: translateY(0);
}

.view-panel.fading-out {
  display: flex !important;
  opacity: 0;
  transform: translateY(15px);
  pointer-events: none;
}

/* 6. Card & Containers */
.card {
  padding: 32px;
  border-radius: var(--radius-lg);
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 16px 48px var(--glass-shadow);
}

.glass-panel {
  background: hsla(245, 20%, 8%, 0.5);
  border: 1px solid hsla(0, 0%, 100%, 0.04);
  border-radius: var(--radius-md);
  padding: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 24px;
}

.panel-subtitle {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 7. Setup Form Components */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
}

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

.form-group label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-light);
}

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

input[type="text"], input[type="password"] {
  width: 100%;
  padding: 14px 18px;
  background: hsla(250, 20%, 6%, 0.8);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-light);
  font-family: var(--font-body);
  font-size: 1.05rem;
  transition: var(--transition-smooth);
}

input[type="text"]:focus, input[type="password"]:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
  background: hsla(250, 20%, 4%, 0.9);
}

.input-wrapper input {
  padding-right: 100px;
}

.btn-icon {
  position: absolute;
  right: 8px;
  background: hsla(250, 15%, 22%, 0.75);
  border: 1px solid var(--glass-border);
  color: var(--text-light);
  cursor: pointer;
  padding: 6px 0;
  width: 82px;
  text-align: center;
  font-size: 0.8rem;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
}

.btn-icon:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: var(--bg-dark);
  transform: translateY(0) scale(1.03);
}

.helper-text {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Classroom Scoreboard Setup Toggle */
.classroom-settings {
  margin-bottom: 28px;
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.checkbox-wrapper input[type="checkbox"] {
  width: 22px;
  height: 22px;
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.checkbox-label {
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  user-select: none;
}

.teams-input-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.teams-input-group.collapsed {
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  margin-top: 0;
  border: none;
}

.teams-input-group:not(.collapsed) {
  max-height: 200px;
  opacity: 1;
}

@media (min-width: 600px) {
  .teams-input-group {
    grid-template-columns: 1fr 1fr;
  }
}

.team-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.team-field label {
  font-size: 0.85rem;
  font-weight: 600;
}

/* Form Action Buttons */
.form-actions {
  display: flex;
  justify-content: center;
}

.btn {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 16px 36px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple) 0%, hsl(265, 80%, 55%) 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px var(--accent-purple-glow);
}

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

.btn-glow {
  position: relative;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: var(--radius-md);
  box-shadow: 0 0 20px var(--accent-purple);
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: -1;
}

.btn-glow:hover::after {
  opacity: 0.6;
}

.btn-secondary {
  background: hsla(250, 15%, 20%, 0.8);
  border: 1px solid var(--glass-border);
  color: var(--text-light);
  font-size: 0.95rem;
  padding: 12px 20px;
}

.btn-secondary:hover {
  background: hsla(250, 15%, 26%, 0.9);
  transform: translateY(-2px);
}

.btn-danger {
  background: hsla(355, 60%, 25%, 0.8);
  border: 1px solid hsla(355, 75%, 45%, 0.3);
  color: var(--text-light);
  font-size: 0.95rem;
  padding: 12px 20px;
}

.btn-danger:hover {
  background: hsla(355, 60%, 30%, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px var(--color-error-glow);
}

/* Quick Start Vocab Presets */
.presets-card {
  margin-top: 8px;
}

.presets-intro {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.presets-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (min-width: 600px) {
  .presets-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .presets-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.preset-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 10px;
  background: hsla(250, 20%, 12%, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-light);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.preset-btn:hover {
  background: hsla(250, 20%, 20%, 0.7);
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px var(--accent-cyan-glow);
}

.preset-icon {
  font-size: 1.6rem;
}

/* 8. Gameplay View: Status Board & Classroom Scoreboard */
.status-board {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

@media (min-width: 768px) {
  .status-board {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  background: hsla(250, 25%, 8%, 0.6);
  border: 1px solid var(--glass-border);
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.hint-badge {
  border-color: var(--accent-cyan);
  box-shadow: 0 4px 15px var(--accent-cyan-glow);
}

.badge-label {
  color: var(--text-muted);
  font-weight: 500;
}

.badge-value {
  color: var(--accent-cyan);
  font-weight: 800;
  text-transform: uppercase;
}

/* Classroom Teams Scoreboard */
.scoreboard {
  display: flex;
  gap: 16px;
}

.scoreboard.hidden {
  display: none !important;
}

.team-card {
  flex: 1;
  min-width: 130px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  background: hsla(250, 20%, 8%, 0.5);
  border: 2px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  transition: var(--transition-smooth);
}

.team-indicator {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
  opacity: 0;
  transition: var(--transition-smooth);
}

.team-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.team-score {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.8rem;
  line-height: 1;
}

.team-controls {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.score-adjust {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.12);
  color: white;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  transition: var(--transition-smooth);
}

.score-adjust:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.1);
}

/* Team Active Styling */
.team-red {
  color: var(--team-red);
}
.team-red.active-turn {
  border-color: var(--team-red);
  background: var(--team-red-glow);
  box-shadow: 0 4px 20px var(--team-red-glow);
  transform: scale(1.04);
}
.team-red.active-turn .team-indicator {
  opacity: 1;
  animation: pulse 1.5s infinite;
}

.team-blue {
  color: var(--team-blue);
}
.team-blue.active-turn {
  border-color: var(--team-blue);
  background: var(--team-blue-glow);
  box-shadow: 0 4px 20px var(--team-blue-glow);
  transform: scale(1.04);
}
.team-blue.active-turn .team-indicator {
  opacity: 1;
  animation: pulse 1.5s infinite;
}

/* Health / Guesses Bar */
.health-container {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.heart-bar {
  display: flex;
  gap: 4px;
}

.heart-icon {
  font-size: 1.3rem;
  transition: var(--transition-smooth);
  animation: heartbeat 1.5s ease-in-out;
}

.heart-icon.lost {
  opacity: 0.25;
  filter: grayscale(1);
  transform: scale(0.85);
  animation: none;
}

.lives-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* 9. Gameplay Arena Grid Layout */
.arena-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 800px) {
  .arena-grid {
    grid-template-columns: 1.3fr 1fr;
  }
}

/* Left Canvas/SVG container */
.hangman-canvas-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 280px;
  padding: 16px;
}

/* SVG Rendering */
#hangman-svg {
  max-height: 280px;
  color: var(--text-light);
}

.hangman-part {
  fill: none;
  stroke: currentColor;
  stroke-width: 4px;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
  transition: opacity 0.5s ease-out, transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform-origin: 140px 85px; /* Origin focused on head */
}

/* Draw parts when revealed */
.hangman-part.drawn {
  opacity: 1;
}

#part-rope.drawn {
  stroke-width: 2.5px;
}

.face-group {
  opacity: 0;
  transform: scale(0.8);
}
.face-group.drawn {
  opacity: 1;
  transform: scale(1);
}

/* Custom drawing details for rope/stand */
#part-stand, #part-post, #part-beam, #part-support {
  color: hsl(250, 15%, 50%);
  stroke-width: 5px;
  opacity: 1;
}

#part-rope {
  color: hsl(35, 60%, 45%);
}

/* Right Control Panel */
.control-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
}

.panel-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.classroom-tools {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.classroom-tools .btn {
  justify-content: center;
  font-size: 0.95rem;
  padding: 14px;
}

/* 10. Large Secret Word Blanks */
.word-slots-container {
  display: flex;
  justify-content: center;
  padding: 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  min-height: 100px;
  align-items: center;
}

.word-display {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(10px, 2vw, 20px);
}

.word-slot {
  width: clamp(40px, 5vw + 10px, 75px);
  height: clamp(55px, 6vw + 15px, 95px);
  border-bottom: 4px solid var(--glass-border);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition-smooth);
}

.word-slot.correct-guess {
  border-bottom-color: var(--accent-cyan);
}

.word-slot-char {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw + 0.5rem, 3.5rem);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-light);
  opacity: 0;
  transform: translateY(15px);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.word-slot-char.revealed {
  opacity: 1;
  transform: translateY(0);
  animation: letterPop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.word-space {
  width: clamp(20px, 3vw, 40px);
  border: none;
}

/* 11. HUGE CLASSROOM KEYBOARD */
.keyboard-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.keyboard {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: clamp(8px, 1.5vw, 16px);
}

@media (min-width: 600px) {
  .keyboard {
    grid-template-columns: repeat(9, 1fr);
  }
}

@media (min-width: 900px) {
  .keyboard {
    grid-template-columns: repeat(13, 1fr);
  }
}

.key {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw + 0.2rem, 2.3rem);
  font-weight: 800;
  height: clamp(55px, 6vw + 15px, 85px);
  background: hsla(250, 15%, 15%, 0.85);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-light);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition-smooth);
  user-select: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.key:hover:not(:disabled) {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: var(--bg-dark);
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 8px 25px var(--accent-cyan-glow);
}

.key:active:not(:disabled) {
  transform: translateY(-1px) scale(1.02);
}

.key:disabled {
  cursor: not-allowed;
}

/* Correct Guess Key State */
.key.correct {
  background: var(--color-success) !important;
  border-color: var(--color-success) !important;
  color: white !important;
  transform: scale(0.95);
  opacity: 0.9;
  box-shadow: 0 0 15px var(--color-success-glow);
  animation: correctBounce 0.4s ease;
}

/* Incorrect Guess Key State */
.key.incorrect {
  background: var(--color-error) !important;
  border-color: var(--color-error) !important;
  color: white !important;
  transform: scale(0.92);
  opacity: 0.5;
  box-shadow: none;
  text-decoration: line-through;
}

/* 12. Floating Game Over Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(4, 2, 8, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

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

.modal-content {
  width: 90%;
  max-width: 550px;
  padding: 40px;
  border-radius: var(--radius-lg);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  transform: scale(0.8);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-icon {
  font-size: 3.5rem;
  animation: bounce 2s infinite ease-in-out;
}

.modal-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.2rem;
  background: linear-gradient(135deg, white 30%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.modal-word-reveal {
  padding: 16px 24px;
  background: hsla(250, 20%, 6%, 0.8);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  width: 100%;
}

.modal-word-reveal p {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.glowing-text {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-cyan);
  text-shadow: 0 0 15px var(--accent-cyan-glow);
  letter-spacing: 2px;
}

.modal-score-status {
  font-family: var(--font-display);
  font-size: 1.1rem;
  padding: 10px;
  color: var(--text-light);
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  margin-top: 10px;
}

@media (min-width: 480px) {
  .modal-actions {
    flex-direction: row;
  }
  .modal-actions .btn {
    flex: 1;
    justify-content: center;
  }
}

/* Animations */
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.15); }
  40% { transform: scale(1.05); }
  60% { transform: scale(1.15); }
}

@keyframes letterPop {
  0% { transform: translateY(15px) scale(0.6); opacity: 0; }
  70% { transform: translateY(-5px) scale(1.1); }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}

@keyframes correctBounce {
  0%, 100% { transform: scale(0.95); }
  50% { transform: scale(1.15); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.shake {
  animation: shake 0.4s ease-in-out;
}