/* ==========================================================================
   Neo-Brutalist Quiz Game Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Core colors */
  --bg: #ffffff;
  --fg: #000000;
  --accent: #6366f1;
  --correct: #22c55e;
  --wrong: #ef4444;

  /* Answer button colors */
  --answer-red: #ef4444;
  --answer-blue: #3b82f6;
  --answer-yellow: #eab308;
  --answer-green: #22c55e;

  /* Derived colors */
  --border-color: #000000;
  --shadow-color: #000000;
  --input-bg: #ffffff;
  --card-bg: #ffffff;
  --muted: #6b7280;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Border */
  --border-width: 3px;
  --border: var(--border-width) solid var(--border-color);

  /* Shadow */
  --shadow: 4px 4px 0 var(--shadow-color);
  --shadow-sm: 2px 2px 0 var(--shadow-color);

  /* Border radius (minimal for brutalist look) */
  --radius: 2px;

  /* Typography */
  --font-sans: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--fg);
  background-color: var(--bg);
  min-height: 100vh;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-md);
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 var(--space-md);
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  text-decoration: none;
}

code, .mono {
  font-family: var(--font-mono);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-lg);
}

.container-sm {
  max-width: 480px;
}

.container-lg {
  max-width: 1200px;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  color: white;
  background-color: var(--accent);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  user-select: none;
}

.btn:hover {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-sm);
}

.btn:active {
  transform: translate(4px, 4px);
  box-shadow: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: var(--shadow);
}

/* Button variants */
.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.25rem;
}

.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Answer button colors */
.btn-red {
  background-color: var(--answer-red);
}

.btn-blue {
  background-color: var(--answer-blue);
}

.btn-yellow {
  background-color: var(--answer-yellow);
  color: var(--fg);
}

.btn-green {
  background-color: var(--answer-green);
}

/* State buttons */
.btn-correct {
  background-color: var(--correct);
}

.btn-wrong {
  background-color: var(--wrong);
}

.btn-outline {
  background-color: transparent;
  color: var(--fg);
}

.btn-outline:hover {
  background-color: var(--fg);
  color: var(--bg);
}

/* --------------------------------------------------------------------------
   Form Inputs
   -------------------------------------------------------------------------- */
.input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
textarea,
select {
  display: block;
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--fg);
  background-color: var(--input-bg);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  outline: none;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.input:focus,
input:focus,
textarea:focus,
select:focus {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-sm);
}

.input-lg {
  padding: var(--space-lg);
  font-size: 1.25rem;
}

.input-mono {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  text-align: center;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 700;
}

.form-group {
  margin-bottom: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background-color: var(--card-bg);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-lg);
}

.card-header {
  margin: calc(-1 * var(--space-lg));
  margin-bottom: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  border-bottom: var(--border);
  background-color: var(--fg);
  color: var(--bg);
}

.card-header h1,
.card-header h2,
.card-header h3 {
  margin: 0;
  color: inherit;
}

/* --------------------------------------------------------------------------
   Timer
   -------------------------------------------------------------------------- */
.timer {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  text-align: center;
  line-height: 1;
}

.timer-lg {
  font-size: 5rem;
}

.timer-warning {
  color: var(--answer-yellow);
}

.timer-danger {
  color: var(--wrong);
  animation: pulse 0.5s ease-in-out infinite alternate;
}

@keyframes pulse {
  from { opacity: 1; }
  to { opacity: 0.5; }
}

/* --------------------------------------------------------------------------
   Room Code Display
   -------------------------------------------------------------------------- */
.room-code {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  text-align: center;
  padding: var(--space-lg);
  background-color: var(--fg);
  color: var(--bg);
  border: var(--border);
  border-radius: var(--radius);
}

.room-code-sm {
  font-size: 1.5rem;
  padding: var(--space-md);
}

/* --------------------------------------------------------------------------
   Leaderboard
   -------------------------------------------------------------------------- */
.leaderboard {
  list-style: none;
  margin: 0;
  padding: 0;
}

.leaderboard-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border: var(--border);
  border-bottom-width: 0;
  background-color: var(--card-bg);
}

.leaderboard-item:first-child {
  border-radius: var(--radius) var(--radius) 0 0;
}

.leaderboard-item:last-child {
  border-bottom-width: var(--border-width);
  border-radius: 0 0 var(--radius) var(--radius);
}

.leaderboard-item:only-child {
  border-radius: var(--radius);
}

.leaderboard-rank {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  min-width: 2rem;
  text-align: center;
}

.leaderboard-rank-1 {
  color: #fbbf24;
}

.leaderboard-rank-2 {
  color: #9ca3af;
}

.leaderboard-rank-3 {
  color: #d97706;
}

.leaderboard-name {
  flex: 1;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.leaderboard-score {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
}

.leaderboard-delta {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--correct);
}

.leaderboard-delta-zero {
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   Answer Grid
   -------------------------------------------------------------------------- */
.answer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.answer-btn {
  padding: var(--space-lg);
  font-size: 1.125rem;
  min-height: 80px;
}

/* --------------------------------------------------------------------------
   Question Display
   -------------------------------------------------------------------------- */
.question-text {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.question-number {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Player List
   -------------------------------------------------------------------------- */
.player-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  list-style: none;
  margin: 0;
  padding: 0;
}

.player-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  font-weight: 700;
  background-color: var(--fg);
  color: var(--bg);
  border: var(--border);
  border-radius: var(--radius);
}

.player-tag-host {
  background-color: var(--accent);
}

/* --------------------------------------------------------------------------
   Progress Bar
   -------------------------------------------------------------------------- */
.progress {
  height: 8px;
  background-color: var(--bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--accent);
  transition: width 0.3s ease;
}

.progress-bar-correct {
  background-color: var(--correct);
}

.progress-bar-wrong {
  background-color: var(--wrong);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */

/* Text alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Font weight */
.font-bold { font-weight: 700; }
.font-normal { font-weight: 400; }

/* Font family */
.font-mono { font-family: var(--font-mono); }
.font-sans { font-family: var(--font-sans); }

/* Colors */
.text-accent { color: var(--accent); }
.text-correct { color: var(--correct); }
.text-wrong { color: var(--wrong); }
.text-muted { color: var(--muted); }

.bg-accent { background-color: var(--accent); }
.bg-correct { background-color: var(--correct); }
.bg-wrong { background-color: var(--wrong); }

/* Spacing */
.m-0 { margin: 0; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.p-0 { padding: 0; }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* Grid */
.grid { display: grid; }

/* Width */
.w-full { width: 100%; }

/* Visibility */
.hidden { display: none; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   Screen/View Layouts
   -------------------------------------------------------------------------- */
.screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.screen-center {
  justify-content: center;
  align-items: center;
  padding: var(--space-lg);
}

.screen-header {
  padding: var(--space-md) var(--space-lg);
  border-bottom: var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.screen-body {
  flex: 1;
  padding: var(--space-lg);
}

.screen-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: var(--border);
}

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

@keyframes pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.animate-shake {
  animation: shake 0.3s ease-in-out;
}

.animate-pop {
  animation: pop 0.3s ease-in-out;
}

/* --------------------------------------------------------------------------
   Mobile Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  html {
    font-size: 14px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .container {
    padding: var(--space-md);
  }

  .btn {
    padding: var(--space-md) var(--space-lg);
  }

  .btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.125rem;
  }

  .timer {
    font-size: 2.5rem;
  }

  .timer-lg {
    font-size: 3.5rem;
  }

  .room-code {
    font-size: 2rem;
    letter-spacing: 0.15em;
  }

  .answer-grid {
    grid-template-columns: 1fr;
  }

  .answer-btn {
    min-height: 60px;
  }

  .question-text {
    font-size: 1.25rem;
  }

  .card {
    padding: var(--space-md);
  }

  .card-header {
    margin: calc(-1 * var(--space-md));
    margin-bottom: var(--space-md);
    padding: var(--space-sm) var(--space-md);
  }
}

/* Larger screens */
@media (min-width: 1024px) {
  .container {
    padding: var(--space-xl);
  }
}

/* --------------------------------------------------------------------------
   Host View Specific Styles
   -------------------------------------------------------------------------- */

/* Make two-column grid stack on mobile */
@media (max-width: 768px) {
  .grid[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}

/* Text size utilities */
.text-sm {
  font-size: 0.875rem;
}

.text-lg {
  font-size: 1.25rem;
}

/* Margin top utilities */
.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mt-xl {
  margin-top: var(--space-xl);
}

/* Pulse animation for waiting states */
@keyframes pulse-opacity {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-pulse {
  animation: pulse-opacity 2s ease-in-out infinite;
}