/* StopTomasFromCheating.com - Design System & Stylesheet */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* Color Palette - Light Mode */
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-muted: #f1f5f9;
  --bg-input: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  --border-focus: #2563eb;
  
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-text: #ffffff;
  
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;
  --success-text: #065f46;

  --warning-bg: #fffbeb;
  --warning-border: #fde68a;
  --warning-text: #92400e;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-page: #0b0f17;
    --bg-card: #151c28;
    --bg-card-muted: #1c2636;
    --bg-input: #0f1723;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #263345;
    --border-hover: #37475d;
    --border-focus: #3b82f6;

    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-text: #ffffff;

    --success-bg: #064e3b;
    --success-border: #047857;
    --success-text: #6ee7b7;

    --warning-bg: #451a03;
    --warning-border: #78350f;
    --warning-text: #fcd34d;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
  }
}

/* Base Reset & Typography */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Layout */
.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1rem;
  width: 100%;
}

.site-header {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-link {
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  background: var(--bg-card-muted);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  color: var(--text-muted);
}

.main-content {
  flex: 1;
  padding: 2rem 0;
}

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: gap;
}

/* Cards & Containers */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.card-header {
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.card-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.input-text,
.input-textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.input-textarea {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.4;
  resize: vertical;
  min-height: 140px;
}

.input-text:focus,
.input-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  font-family: inherit;
}

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

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

.btn-secondary {
  background-color: var(--bg-card-muted);
  border-color: var(--border-color);
  color: var(--text-primary);
}

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

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
}

/* Status Banners */
.banner {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.banner-warning {
  background-color: var(--warning-bg);
  border: 1px solid var(--warning-border);
  color: var(--warning-text);
}

.banner-success {
  background-color: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-text);
}

/* Waiting Room */
.waiting-spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.share-box {
  background-color: var(--bg-card-muted);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 1rem;
}

.share-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
}

/* Scores Grid Side-by-Side */
.scores-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

@media (max-width: 640px) {
  .scores-grid {
    grid-template-columns: 1fr;
  }
}

.player-score-card {
  background-color: var(--bg-card-muted);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.player-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.player-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.player-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.score-display {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  white-space: pre-wrap;
  word-break: break-word;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  line-height: 1.4;
}

.copy-feedback {
  transition: opacity 0.2s ease;
}