@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
  --bg-color: #0f172a;
  --text-main: #f8fafc;
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  --cell-bg: rgba(255, 255, 255, 0.15);
  --cell-hover: rgba(255, 255, 255, 0.25);
  --cell-active: rgba(34, 197, 94, 0.6);
  --cell-active-hover: rgba(34, 197, 94, 0.8);
  
  --primary-color: #ec4899;
  --primary-hover: #db2777;
}

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

body {
  font-family: 'Outfit', sans-serif;
  color: var(--text-main);
  min-height: 100vh;
  background-color: var(--bg-color);
  background-image: url('https://images.unsplash.com/photo-1492684223066-81342ee5ff30?q=80&w=2070&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
  transition: background-image 0.5s ease;
}

/* Glassmorphism containers */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 1.5rem;
  box-shadow: var(--glass-shadow);
  padding: 2rem;
}

h1 {
  font-weight: 800;
  font-size: 3rem;
  text-align: center;
  margin-bottom: 0.5rem;
  background: linear-gradient(to right, #f472b6, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.subtitle {
  text-align: center;
  font-weight: 300;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Controls Section */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
  justify-content: center;
  width: 100%;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1 1 250px;
  min-width: 250px;
}

label {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

input, select, button {
  font-family: 'Outfit', sans-serif;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.4);
  color: white;
  font-size: 1rem;
  outline: none;
  transition: all 0.2s ease;
}

input:focus, select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(236, 72, 153, 0.3);
}

button {
  background: var(--primary-color);
  border: none;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4);
}

button:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(236, 72, 153, 0.6);
}

button:active {
  transform: translateY(0);
}

button.secondary {
  background: rgba(255, 255, 255, 0.1);
  box-shadow: none;
  border: 1px solid var(--glass-border);
}

button.secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Board Layout */
.bingo-wrapper {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
}

.bingo-board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  width: 100%;
  aspect-ratio: 1 / 1; /* Keep it square-ish */
}

.bingo-cell {
  background: var(--cell-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.5rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.95rem;
  font-weight: 500;
  user-select: none;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.bingo-cell:hover {
  background: var(--cell-hover);
  transform: scale(1.02);
}

.bingo-cell.crossed {
  background: var(--cell-active);
  color: white;
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 0 15px rgba(34, 197, 94, 0.5);
}

.bingo-cell.crossed::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-45deg);
  width: 80%;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: 2px;
  animation: strike 0.3s ease-out forwards;
}

.bingo-cell.crossed:hover {
  background: var(--cell-active-hover);
}

.bingo-cell.free-space {
  background: linear-gradient(135deg, #f472b6, #38bdf8);
  font-weight: 800;
  font-size: 1.2rem;
  border: none;
}
.bingo-cell.free-space.crossed {
  background: linear-gradient(135deg, #10b981, #3b82f6);
}

@keyframes strike {
  0% { width: 0; opacity: 0; }
  100% { width: 80%; opacity: 1; }
}

/* Celebration Overlay */
.celebration-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.5s ease;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(5px);
}

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

.bingo-text {
  font-size: 8rem;
  font-weight: 800;
  background: linear-gradient(to right, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rainbow-bounce 2s infinite, scale-in 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  text-shadow: 0 10px 30px rgba(0,0,0,0.5);
  transform: scale(0);
}

.continue-btn {
  position: absolute;
  bottom: 20%;
  font-size: 1.2rem;
  padding: 1rem 2rem;
  pointer-events: auto;
}

@keyframes rainbow-bounce {
  0%, 100% { filter: hue-rotate(0deg); transform: translateY(0) scale(1); }
  50% { filter: hue-rotate(360deg); transform: translateY(-20px) scale(1.1); }
}

@keyframes scale-in {
  to { transform: scale(1); }
}

/* Modals */
.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.modal-content {
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.close-btn {
  background: transparent;
  box-shadow: none;
  color: white;
  font-size: 1.5rem;
  padding: 0.5rem;
}

.close-btn:hover {
  background: rgba(255,255,255,0.1);
  transform: none;
}

textarea {
  width: 100%;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--glass-border);
  color: white;
  padding: 1rem;
  border-radius: 0.75rem;
  font-family: inherit;
  resize: vertical;
  min-height: 150px;
  margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .bingo-board {
    gap: 5px;
  }
  .bingo-cell {
    font-size: 0.7rem;
    padding: 0.25rem;
  }
  h1 {
    font-size: 2rem;
  }
  .controls {
    flex-direction: column;
  }
}

/* Print Styles */
@media print {
  body {
    background: none !important;
    background-color: white !important;
    color: black !important;
    padding: 0 !important;
  }
  
  .glass-panel {
    background: none !important;
    backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }

  .controls, .subtitle, .modal, .celebration-overlay {
    display: none !important;
  }

  h1 {
    -webkit-text-fill-color: black !important;
    text-shadow: none !important;
    margin-bottom: 2rem;
  }

  .bingo-board {
    gap: 0;
    border: 2px solid black;
    width: 100%;
    max-width: 100%;
    height: 80vh;
  }

  .bingo-cell {
    background: white !important;
    border: 1px solid black !important;
    color: black !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    font-size: 1rem;
    padding: 0.5rem;
  }

  .bingo-cell.crossed::after {
    background-color: black !important;
  }
  
  .bingo-cell.free-space {
    background: #e5e5e5 !important;
    color: black !important;
  }
}