@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Colors */
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-glass: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.12);
  
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.4);
  
  /* Activity Category Colors */
  --color-explain: #4ECDC4;
  --color-explain-bg: rgba(78, 205, 196, 0.15);
  --color-draw: #FFE66D;
  --color-draw-bg: rgba(255, 230, 109, 0.15);
  --color-pantomime: #FF6B8A;
  --color-pantomime-bg: rgba(255, 107, 138, 0.15);
  
  /* Team Colors */
  --team-1: #4ECDC4;
  --team-1-bg: rgba(78, 205, 196, 0.2);
  --team-2: #FF6B8A;
  --team-2-bg: rgba(255, 107, 138, 0.2);
  
  /* Accent */
  --color-accent: #FF6B35;
  --color-success: #4ADE80;
  --color-danger: #EF4444;
  --color-warning: #FBBF24;
  
  /* Typography */
  --font-family: 'Outfit', sans-serif;
  
  /* Spacing */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  
  /* Shadows */
  --shadow-glow: 0 0 30px rgba(255, 107, 53, 0.3);
}

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

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Glass Card */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 24px;
}

/* Buttons */
.btn {
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px 28px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #ff8f5a);
  color: white;
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(255, 107, 53, 0.6);
  transform: translateY(-2px);
}

.btn-success {
  background: linear-gradient(135deg, #22c55e, #4ade80);
  color: white;
  box-shadow: 0 4px 20px rgba(34, 197, 94, 0.4);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #f87171);
  color: white;
  box-shadow: 0 4px 20px rgba(239, 68, 68, 0.4);
}

.btn-ghost {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-lg {
  font-size: 1.2rem;
  padding: 18px 36px;
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

/* Input */
.input {
  font-family: var(--font-family);
  font-size: 1.1rem;
  font-weight: 500;
  background: var(--bg-glass);
  border: 2px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 14px 18px;
  width: 100%;
  outline: none;
  transition: border-color 0.2s;
}

.input:focus {
  border-color: var(--color-accent);
}

.input::placeholder {
  color: var(--text-muted);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(255, 107, 53, 0.3); }
  50% { box-shadow: 0 0 40px rgba(255, 107, 53, 0.6); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-fadeIn { animation: fadeIn 0.5s ease forwards; }
.animate-scaleIn { animation: scaleIn 0.4s ease forwards; }
.animate-slideUp { animation: slideUp 0.5s ease forwards; }
.animate-pulse { animation: pulse 2s ease infinite; }

/* Screen transitions */
.screen {
  display: none;
  width: 100%;
  height: 100vh;
}

.screen.active {
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.4s ease;
}

/* Timer */
.timer-circle {
  position: relative;
  width: 120px;
  height: 120px;
}

.timer-circle svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}

.timer-circle .timer-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.1);
  stroke-width: 6;
}

.timer-circle .timer-progress {
  fill: none;
  stroke: var(--color-success);
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear, stroke 0.5s;
}

.timer-circle .timer-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2rem;
  font-weight: 800;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}