/*
  Antigravity Unified Game Scaffolding & Theme System
  Defines standard container layout, fonts, headers, glassmorphism card panels,
  pill navigation tabs, mascot dialogues, inputs, virtual keypads, and modal screens.
  Games can override CSS variables to theme colors, shadows, and spacing.
*/

:root {
  --font-main: 'Fredoka', system-ui, -apple-system, sans-serif;
  
  /* Standard Project Theme Defaults (Dark Mode) */
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
  --panel-bg: rgba(30, 41, 59, 0.45);
  --panel-border: rgba(255, 255, 255, 0.08);
  
  --primary: #00ccff;
  --primary-hover: #0099cc;
  --primary-glow: rgba(0, 204, 255, 0.25);
  --accent-cyan: #00f5d4;
  --accent-pink: #ff007f;
  
  --success: #2ecc71;
  --danger: #e74c3c;
  --text-dark: #f8fafc;
  --text-light: #ffffff;
  --text-muted: #94a3b8;
  
  /* Shadows & Radius */
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.4);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  
  /* Transitions */
  --transition-bounce: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --transition-smooth: all 0.2s ease;
}

/* ─── 1. CORE LAYOUT RESET ─── */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scrollbar-gutter: stable;
}

body {
  font-family: var(--font-main);
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 1.5rem 1rem;
}

/* Decorator Background Grid */
body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(white, rgba(255,255,255,.1) 1px, transparent 15px);
  background-size: 300px 300px;
  background-position: 0 0;
  opacity: 0.15;
  z-index: -2;
  pointer-events: none;
}

/* ─── 2. HEADERS & NAVIGATION ─── */
header {
  width: 100%;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.logo-icon {
  font-size: 2.8rem;
  animation: float 3.5s ease-in-out infinite;
  filter: drop-shadow(0 0 10px var(--primary-glow));
}

h1 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-light);
  text-shadow: 0 0 15px var(--primary-glow), 2px 2px 0px rgba(0, 0, 0, 0.5);
  letter-spacing: 0.5px;
}

/* Pill / Capsule Tabs Navigation */
nav {
  display: flex;
  background: var(--panel-bg);
  padding: 0.4rem;
  border-radius: 50px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--panel-border);
  gap: 0.4rem;
  width: 100%;
  max-width: 480px;
  backdrop-filter: blur(15px);
  z-index: 10;
}

nav button {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.65rem 0.5rem;
  border-radius: 50px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-bounce);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

nav button.active {
  background: var(--primary);
  color: #0f172a;
  box-shadow: 0 4px 15px var(--primary-glow);
  transform: scale(1.03);
  font-weight: 700;
}

nav button:hover:not(.active) {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-light);
}

/* ─── 3. STATISTICS CHIPS DECK ─── */
.progress-bar-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  background: var(--panel-bg);
  padding: 0.6rem 1.5rem;
  border-radius: 30px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(10px);
}

.progress-stat {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.1rem;
  font-weight: 700;
}

.star-count {
  color: #f1c40f;
  text-shadow: 0 0 8px rgba(241, 196, 15, 0.3);
}

.streak-count {
  color: var(--accent-pink);
  text-shadow: 0 0 8px rgba(255, 0, 127, 0.3);
}

/* ─── 4. MAIN CONTAINER & SCREEN STRUCTURE ─── */
main {
  width: 100%;
  max-width: 900px;
  flex-grow: 1;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.screen {
  width: 100%;
  display: none;
  animation: slideIn 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.1) forwards;
}

.screen.active {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  align-items: center;
}

/* Frosted glass container cards */
.card {
  background: var(--panel-bg);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(15px);
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 640px) {
  .card {
    padding: 2rem;
  }
}

/* ─── 5. MASCOT SPEECH BUBBLES ─── */
.speech-bubble-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0.5rem auto;
}

.speech-bubble {
  background: var(--panel-bg);
  border: 2px solid var(--panel-border);
  color: var(--text-light);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  box-shadow: var(--shadow-md);
  position: relative;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.5;
  width: 100%;
}

.speech-bubble strong {
  color: var(--primary);
}

.speech-bubble::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 10px solid var(--panel-bg);
}

.speech-bubble-border {
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 11px solid transparent;
  border-right: 11px solid transparent;
  border-top: 11px solid var(--panel-border);
  z-index: -1;
}

.mascot-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.8rem;
}

.mascot-character {
  font-size: 3.2rem;
  cursor: pointer;
  transition: transform 0.2s;
  animation: bounceSlow 4s ease-in-out infinite;
  user-select: none;
}

.mascot-character:hover {
  transform: scale(1.1) rotate(5deg);
}

.voice-btn {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-light);
  border: 1px solid var(--panel-border);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition-bounce);
}

.voice-btn:hover {
  background: var(--primary);
  color: #0f172a;
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}

/* ─── 6. BUTTONS & KEYPAD ELEMENTS ─── */
.btn-primary {
  background: var(--primary);
  color: #0f172a;
  border: none;
  font-family: var(--font-main);
  font-size: 1.25rem;
  font-weight: 700;
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--primary-hover);
  transition: var(--transition-bounce);
  text-align: center;
  display: inline-block;
  user-select: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--primary-hover), 0 0 12px var(--primary-glow);
}

.btn-primary:active {
  transform: translateY(2px);
  box-shadow: 0 0px 0 var(--primary-hover);
}

/* Virtual keypads */
.keypad-wrapper {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.keypad-grid-letters {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.4rem;
  margin-bottom: 0.4rem;
}

.keypad-grid-numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.keypad-action-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}

.key-btn {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  color: var(--text-light);
  font-family: var(--font-main);
  font-size: 1.2rem;
  font-weight: 700;
  padding: 0.55rem 0.2rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-bounce);
  user-select: none;
  box-shadow: 0 3px 0 var(--panel-border);
}

.key-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 3px 0 var(--primary-hover);
  color: #0f172a;
}

.key-btn:active {
  transform: translateY(2px);
  box-shadow: 0 0px 0 var(--primary-hover);
}

.key-btn.action-clear {
  border-color: rgba(231, 76, 60, 0.4);
  box-shadow: 0 3px 0 rgba(231, 76, 60, 0.3);
}

.key-btn.action-clear:hover {
  background: var(--danger);
  border-color: var(--danger);
  box-shadow: 0 3px 0 #c0392b;
  color: white;
}

.key-btn.action-back {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 3px 0 rgba(255, 255, 255, 0.1);
}

.key-btn.action-back:hover {
  background: #7f8c8d;
  border-color: #7f8c8d;
  box-shadow: 0 3px 0 #5c6768;
  color: white;
}

/* ─── 7. SETTINGS PANELS & TOGGLES ─── */
.settings-container {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.15);
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--panel-border);
}

.setting-row span, .setting-row label {
  font-size: 1.1rem;
  font-weight: 600;
}

.difficulty-dropdown {
  background: #0f172a;
  border: 1px solid var(--panel-border);
  color: var(--text-light);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.difficulty-dropdown:focus {
  border-color: var(--primary);
}

/* Sliders Toggles */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 28px;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #334155;
  transition: .3s;
  border-radius: 34px;
}

.slider::before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--accent-cyan);
}

input:checked + .slider::before {
  transform: translateX(22px);
}

/* Reset / Danger panels */
.parents-warning-card {
  border-color: rgba(231, 76, 60, 0.2) !important;
  background: rgba(231, 76, 60, 0.04) !important;
  padding: 1.2rem;
}

.parents-warning-card h2 {
  color: var(--danger);
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
}

.parents-warning-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.reset-btn, .danger-btn {
  background: var(--danger);
  color: white;
  border: none;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  box-shadow: 0 3px 0 #c0392b;
  transition: var(--transition-bounce);
  width: 100%;
}

.reset-btn:hover, .danger-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 0 #c0392b;
}

.reset-btn:active, .danger-btn:active {
  transform: translateY(2px);
  box-shadow: 0 0px 0 #c0392b;
}

/* ─── 8. MODAL DIALOGS & OVERLAYS ─── */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(12, 6, 22, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  z-index: 1000;
  transition: opacity 0.3s ease;
  padding: 1rem;
}

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

.modal, .overlay-card {
  background: #0f172a;
  border: 2px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.5rem;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: bounceIn 0.45s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.modal-mascot, .overlay-mascot {
  font-size: 4rem;
  margin-bottom: 0.75rem;
  animation: float 3s ease-in-out infinite;
  user-select: none;
}

.modal-title, .overlay-title {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.6rem;
  text-shadow: 0 0 10px var(--primary-glow);
}

.modal-desc, .overlay-desc {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 1.2rem;
}

.modal-desc strong, .overlay-desc strong {
  color: var(--accent-pink);
}

.modal-stars, .stars-awarded {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: #f1c40f;
  background: rgba(241, 196, 15, 0.08);
  padding: 0.4rem 1.2rem;
  border-radius: 30px;
  border: 2px dashed #f1c40f;
  margin-bottom: 1.5rem;
}

.confirm-modal-buttons, .overlay-actions {
  display: flex;
  gap: 0.8rem;
  width: 100%;
}

.confirm-modal-buttons button, .overlay-actions button {
  flex: 1;
}

/* ─── 9. KEY ANIMATIONS ─── */
@keyframes slideIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes bounceSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes bounceIn {
  from { opacity: 0; transform: scale(0.65); }
  50% { opacity: 1; transform: scale(1.03); }
  75% { transform: scale(0.97); }
  to { transform: scale(1); }
}