/* Design System & Aesthetics for Nauka Pisania - Spadające Litery */

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

:root {
  --bg-primary: #0F172A;
  --bg-card: #1E293B;
  --bg-card-hover: #334155;
  --border-color: #334155;
  
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --accent-blue: #38BDF8;
  --accent-purple: #818CF8;
  --accent-green: #34D399;
  --accent-gold: #FBBF24;
  --accent-pink: #F472B6;
  --accent-red: #F87171;

  --gradient-title: linear-gradient(135deg, #38BDF8 0%, #818CF8 50%, #F472B6 100%);
  --gradient-btn: linear-gradient(135deg, #0284C7 0%, #4338CA 100%);
  --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.25);
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-certificate: 'Cinzel', serif;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: rgba(30, 41, 59, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  background: var(--gradient-title);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  cursor: pointer;
}

.logo-icon {
  font-size: 1.8rem;
  -webkit-text-fill-color: initial;
}

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

.btn-icon {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.btn-google {
  background: #FFFFFF;
  color: #1E293B;
  border: none;
  font-weight: 700;
}

.btn-google:hover {
  background: #F1F5F9;
  transform: translateY(-2px);
}

.btn-parent-dashboard {
  background: rgba(129, 140, 248, 0.15);
  border-color: var(--accent-purple);
  color: #C7D2FE;
}

.btn-parent-dashboard:hover {
  background: rgba(129, 140, 248, 0.3);
  border-color: var(--accent-purple);
}

.btn-certificate {
  background: linear-gradient(135deg, #D97706 0%, #B45309 100%);
  color: #FFFFFF;
  border: none;
  font-weight: 700;
}

.btn-certificate:hover {
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.5);
  border-color: transparent;
}

/* Header Dropdown Menu for Settings & Backups */
.dropdown-container {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 110%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  padding: 8px;
  min-width: 200px;
  z-index: 150;
  flex-direction: column;
  gap: 4px;
}

.dropdown-menu.show {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.dropdown-item {
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding: 10px 14px;
  text-align: left;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  transition: all 0.15s ease;
}

.dropdown-item:hover {
  background: var(--bg-card-hover);
  color: var(--accent-blue);
}

/* User Avatar Badge */
.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  padding: 4px 12px 4px 4px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.user-name {
  font-weight: 600;
  font-size: 0.85rem;
}

/* Views Management */
.view-screen {
  display: none;
  flex: 1;
  padding: 24px;
  animation: fadeIn 0.3s ease;
}

.view-screen.active {
  display: flex;
  flex-direction: column;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Level Selection Screen */
.level-select-container {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.page-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.modules-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.module-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.module-header {
  margin-bottom: 20px;
}

.module-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 4px;
}

.module-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.levels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.level-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 140px;
  position: relative;
  overflow: hidden;
}

.level-card:hover:not(.locked) {
  border-color: var(--accent-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  background: rgba(30, 41, 59, 0.9);
}

.level-card.locked {
  opacity: 0.5;
  cursor: not-allowed;
  filter: grayscale(0.8);
}

.level-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.level-number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.level-stars {
  color: var(--accent-gold);
  letter-spacing: 2px;
  font-size: 1.1rem;
}

.level-card-title {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

.level-letters-badge {
  display: flex;
  gap: 6px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.letter-pill {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.85rem;
  font-family: var(--font-heading);
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
  animation: fadeIn 0.25s ease;
  overflow-y: auto;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  padding: 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  position: relative;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--accent-blue);
}

/* Parent Modal Tabs */
.parent-tabs-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.parent-tab-btn {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.parent-tab-btn:hover {
  border-color: var(--accent-purple);
  color: var(--text-primary);
}

.parent-tab-btn.active {
  background: rgba(129, 140, 248, 0.2);
  border-color: var(--accent-purple);
  color: #C7D2FE;
  box-shadow: 0 0 12px rgba(129, 140, 248, 0.3);
}

.parent-tab-content {
  display: none;
}

.parent-tab-content.active {
  display: block;
}

/* Animated Home Finger Position Reminder Box */
.home-keys-reminder {
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.home-keys-badge {
  display: flex;
  gap: 8px;
}

.home-key-dot {
  background: var(--accent-blue);
  color: #0F172A;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 12px var(--accent-blue);
  animation: pulseBadge 1.2s infinite alternate;
}

@keyframes pulseBadge {
  from { transform: scale(1); box-shadow: 0 0 8px var(--accent-blue); }
  to { transform: scale(1.08); box-shadow: 0 0 18px var(--accent-blue); }
}

.home-reminder-text {
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.tutorial-letters-box {
  background: rgba(15, 23, 42, 0.8);
  border: 1px dashed var(--accent-blue);
  border-radius: var(--radius-md);
  padding: 16px;
  margin: 16px 0;
  text-align: center;
}

.tutorial-letters-box h4 {
  color: var(--text-secondary);
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.big-letters-list {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.big-letter-card {
  background: var(--bg-card-hover);
  border: 2px solid var(--accent-blue);
  color: var(--text-primary);
  min-width: 50px;
  padding: 0 12px;
  height: 50px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.tutorial-hands-guide {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.finger-guide-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(15, 23, 42, 0.5);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--accent-blue);
}

.finger-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Speed Box inside Pre-Lesson Modal */
.tutorial-speed-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 24px;
  text-align: center;
}

.tutorial-speed-box h4 {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.modal-speed-select {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.modal-speed-btn {
  padding: 8px 18px;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 600;
}

.modal-speed-btn:hover {
  border-color: var(--accent-blue);
}

.modal-speed-btn.active {
  background: var(--accent-blue);
  color: #0F172A;
  font-weight: 800;
  border-color: var(--accent-blue);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
}

.btn-primary {
  background: var(--gradient-btn);
  color: #FFFFFF;
  border: none;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  width: 100%;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.6);
}

/* Modern Visual Parent Analytics Dashboard */
.parent-insight-card {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.15) 0%, rgba(56, 189, 248, 0.15) 100%);
  border: 1px solid var(--accent-purple);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.parent-insight-icon {
  font-size: 2.2rem;
}

.parent-insight-text {
  font-size: 0.95rem;
  line-height: 1.5;
  color: #E2E8F0;
}

.parent-today-gauge-box {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
}

.gauge-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
}

.progress-bar-track {
  background: #0F172A;
  height: 14px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.progress-bar-fill {
  background: linear-gradient(90deg, var(--accent-blue) 0%, var(--accent-green) 100%);
  height: 100%;
  width: 0%;
  transition: width 0.5s ease;
  border-radius: 10px;
}

.weekly-habit-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin: 16px 0 24px 0;
}

.habit-day-card {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 4px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.habit-day-card.active-day {
  border-color: var(--accent-green);
  background: rgba(52, 211, 153, 0.1);
}

.habit-day-name {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.habit-day-icon {
  font-size: 1.2rem;
}

.module-progress-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.module-progress-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.module-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
}

/* Game Screen & Canvas */
.game-layout {
  display: flex;
  flex-direction: column;
  flex: 1;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  gap: 16px;
}

.game-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 12px 24px;
  border-radius: var(--radius-md);
}

.hud-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 1px;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-blue);
}

.speed-select-group {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.6);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.speed-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
}

.speed-btn.active {
  background: var(--accent-blue);
  color: #0F172A;
}

.canvas-container {
  flex: 1;
  min-height: 360px;
  background: #090D16;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Finger Hint Bar */
.finger-hint-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.finger-hint-badge {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 20px;
  border-radius: 30px;
  color: #0F172A;
  font-weight: 700;
  font-size: 1rem;
  font-family: var(--font-heading);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Virtual Keyboard */
.keyboard-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  justify-content: center;
}

.virtual-keyboard {
  display: flex;
  flex-direction: column;
  gap: 8px;
  user-select: none;
  max-width: 840px;
  width: 100%;
}

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

/* Realistic QWERTY Row Offsets */
.keyboard-row.row-1 {
  margin-left: -22px; /* Numbers shift left relative to QWERTY row */
}

.keyboard-row.row-2 {
  margin-left: 0px; /* QWERTY row */
}

.keyboard-row.row-3 {
  margin-left: 18px; /* ASDF home row offset right */
}

.keyboard-row.row-4 {
  margin-left: 44px; /* ZXCV bottom row offset right */
}

.keyboard-row.row-special {
  margin-left: 0px;
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 4px;
}

.key {
  background: #0F172A;
  border: 2px solid var(--finger-color, #334155);
  color: var(--text-primary);
  height: 48px;
  min-width: 44px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  position: relative;
  transition: all 0.1s ease;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.4);
}

.key.home-key::after {
  content: '';
  position: absolute;
  bottom: 6px;
  width: 10px;
  height: 3px;
  background: var(--text-secondary);
  border-radius: 2px;
}

.key.target-key {
  background: var(--finger-color, var(--accent-blue));
  color: #0F172A;
  transform: translateY(-4px);
  box-shadow: 0 0 20px var(--finger-color, var(--accent-blue)), 0 6px 0 rgba(0, 0, 0, 0.4);
  animation: pulseKey 0.8s infinite alternate;
}

.key.key-space {
  min-width: 250px;
  border-color: #A855F7;
}

.key.key-shift {
  min-width: 85px;
  font-size: 0.82rem;
  border-color: #EC4899;
}

.key.key-shift.target-key {
  background: #EC4899;
  color: #FFFFFF;
  box-shadow: 0 0 20px #EC4899, 0 6px 0 rgba(0, 0, 0, 0.4);
}

.key.key-alt-right {
  min-width: 130px;
  border-color: var(--accent-purple);
}

.key.key-alt-right.target-key {
  background: var(--accent-purple);
  color: #FFFFFF;
}

.key.pressed {
  transform: translateY(2px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
  filter: brightness(1.3);
}

/* Animated Pre-Lesson Mini Keyboard Demo inside Tutorial Modal */
.tutorial-demo-box {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--accent-blue);
  border-radius: var(--radius-md);
  padding: 16px;
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.tutorial-demo-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid var(--accent-blue);
  padding: 8px 18px;
  border-radius: 30px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
  animation: pulseBadge 1.5s infinite alternate;
}

@keyframes pulseKey {
  from { transform: translateY(-4px) scale(1); }
  to { transform: translateY(-6px) scale(1.05); }
}

/* Results Screen */
.result-stars-box {
  display: flex;
  justify-content: center;
  gap: 12px;
  font-size: 3rem;
  color: var(--accent-gold);
  margin: 16px 0;
}

.results-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.result-stat-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.results-actions {
  display: flex;
  gap: 16px;
}

.btn-secondary {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  width: 100%;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: var(--border-color);
}

/* Certificate Styles */
.certificate-modal-content {
  max-width: 760px;
  background: #FFFBEB;
  color: #1E293B;
  border: 12px double #D97706;
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  position: relative;
  box-shadow: 0 25px 60px rgba(0,0,0,0.6);
}

.cert-header {
  font-family: var(--font-certificate);
  font-size: 2.2rem;
  color: #92400E;
  margin-bottom: 4px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.cert-subtitle {
  font-size: 1.1rem;
  color: #B45309;
  font-weight: 600;
  margin-bottom: 24px;
}

.cert-name-input {
  border: none;
  border-bottom: 2px solid #D97706;
  background: transparent;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: #1E293B;
  text-align: center;
  width: 80%;
  padding: 8px;
  margin-bottom: 20px;
  outline: none;
}

.cert-body {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #334155;
  margin-bottom: 30px;
}

.cert-ribbon {
  font-size: 4rem;
  margin-bottom: 12px;
}

.cert-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-top: 1px solid #FCD34D;
  padding-top: 20px;
  margin-top: 20px;
  font-size: 0.9rem;
  color: #78350F;
}

.cert-close-btn {
  position: absolute;
  top: 12px;
  right: 16px;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #78350F;
}

@media print {
  body * {
    visibility: hidden;
  }
  #modal-certificate, #modal-certificate * {
    visibility: visible;
  }
  #modal-certificate {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: #FFFFFF !important;
  }
  .cert-close-btn, .no-print {
    display: none !important;
  }
}