/* Artifact platform tokens — auto-resolved */
:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
}

* { box-sizing: border-box; }

html, body, #root {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

button {
  font-family: inherit;
}

.app {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--neutral);
  background: var(--surface);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--primary);
}

.brand h1 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  background: var(--primary-tint);
  color: var(--text);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
}

.user-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

.app-main {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 2rem 1.25rem;
}

/* ---------- Loading ---------- */
.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 1rem;
  color: var(--text-muted);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--neutral);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.big-spinner {
  display: flex;
  justify-content: center;
  padding: 1rem;
}

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

/* ---------- Card ---------- */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  border: 1px solid var(--neutral);
}

.center-card {
  width: 100%;
  max-width: 540px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.card-header h2 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.room-pill {
  background: var(--primary-tint);
  color: var(--primary-dark);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.muted { color: var(--text-muted); }
.small { font-size: 0.875rem; }
.tiny  { font-size: 0.75rem; }

/* ---------- Forms ---------- */
.form-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.field-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

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

.input-row {
  display: flex;
  gap: 0.5rem;
}

.input-row input[type="text"],
.input-row input[type="password"] {
  flex: 1 1 auto;
  min-width: 0;
}

input[type="text"], input[type="password"] {
  flex: 1;
  padding: 0.625rem 0.875rem;
  background: var(--bg);
  border: 1px solid var(--neutral);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input[type="text"]:focus, input[type="password"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-tint);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 600;
  transition: background 0.15s, transform 0.05s, border-color 0.15s, box-shadow 0.15s;
  background: var(--surface-2);
  color: var(--text);
  font-family: inherit;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-tint);
}

.btn:active { transform: translateY(1px); }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--neutral);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--surface-2);
}

.btn-sm { padding: 0.4375rem 0.75rem; font-size: 0.8125rem; }
.btn-lg { padding: 0.8125rem 1.25rem; font-size: 1rem; }

.button-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ---------- Alerts ---------- */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  border: 1px solid transparent;
}

.alert-danger {
  background: var(--primary-tint);
  color: var(--danger);
  border-color: var(--danger);
}

.alert-info {
  background: var(--primary-tint);
  color: var(--text);
  border-color: var(--primary);
}

.alert-warning {
  background: var(--primary-tint);
  color: var(--warning);
  border-color: var(--warning);
}

/* ---------- How it works ---------- */
.how-it-works {
  background: var(--bg);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px dashed var(--neutral);
}

.how-it-works h3 {
  margin: 0 0 0.5rem 0;
  font-size: 0.9375rem;
  color: var(--text);
}

.how-it-works ol {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ---------- Player list / status ---------- */
.player-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--bg);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--neutral);
}

.player-row {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9375rem;
}

.player-bullet {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.player-bullet.present { background: var(--success); }
.player-bullet.pending {
  background: transparent;
  border: 2px dashed var(--text-muted);
}

.status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.status-tile {
  padding: 0.875rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg);
  border: 1px solid var(--neutral);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.status-tile.done {
  border-color: var(--success);
  background: var(--primary-tint);
}

.status-tile.active {
  border-color: var(--primary);
}

.status-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 600;
}

.status-value {
  font-size: 0.9375rem;
  font-weight: 500;
}

/* ---------- Game layout ---------- */
.game-layout {
  width: 100%;
  max-width: 1100px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
}

.game-header h2 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.game-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 880px) {
  .game-grid { grid-template-columns: 1fr; }
}

.game-pane {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.game-pane.primary {
  box-shadow: var(--shadow-md);
}

.pane-header h3 {
  margin: 0 0 0.125rem 0;
  font-size: 1.125rem;
}

.pane-sub {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ---------- Hangman figure ---------- */
.hangman-figure {
  display: flex;
  justify-content: center;
  padding: 0.5rem 0;
}

/* ---------- Word display ---------- */
.word-display {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem 0;
}

.letter-slot {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  width: 32px;
  min-height: 40px;
  position: relative;
}

.letter-slot.small {
  width: 22px;
  min-height: 28px;
}

.letter-slot.space {
  width: 18px;
  border: none;
}

.letter-glyph {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-mono);
  height: 1.75rem;
  letter-spacing: 0.02em;
  color: var(--primary-dark);
}

.letter-slot.small .letter-glyph {
  font-size: 1rem;
  height: 1.25rem;
}

.letter-slot .letter-underline {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--text);
  border-radius: var(--radius-sm);
}

.letter-slot.space .letter-underline { background: transparent; }

.letter-slot.revealed .letter-underline { background: var(--success); }

.opponent-progress-note {
  width: 100%;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-family: var(--font-sans);
}

/* ---------- Wrong letters ---------- */
.wrong-letters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.375rem;
  padding: 0.625rem 0.875rem;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--neutral);
  font-size: 0.875rem;
}

.wrong-label {
  font-weight: 600;
  color: var(--text-muted);
  margin-right: 0.25rem;
}

.wrong-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 0.375rem;
  background: var(--danger);
  color: white;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
}

.wrong-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ---------- Keyboard ---------- */
.keyboard {
  display: grid;
  grid-template-columns: repeat(13, minmax(0, 1fr));
  gap: 0.375rem;
}

@media (max-width: 600px) {
  .keyboard { grid-template-columns: repeat(7, minmax(0, 1fr)); }
}

.key {
  padding: 0.625rem 0.25rem;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--neutral);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  transition: background 0.15s, transform 0.05s;
}

.key:hover:not(:disabled) {
  background: var(--primary-tint);
  border-color: var(--primary);
}

.key:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--primary-tint);
}

.key:active:not(:disabled) { transform: translateY(1px); }

.key:disabled { cursor: not-allowed; opacity: 0.6; }

.key-correct {
  background: var(--success);
  color: white;
  border-color: var(--success);
  opacity: 1 !important;
}

.key-wrong {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
  opacity: 0.7 !important;
}

/* ---------- Opponent stats ---------- */
.opp-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.625rem;
}

.stat {
  background: var(--bg);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--neutral);
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 600;
}

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

/* ---------- Results ---------- */
.results-card {
  text-align: center;
  max-width: 580px;
}

.result-banner {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral);
}

.result-banner h2 {
  margin: 0 0 0.5rem 0;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.result-banner p {
  margin: 0;
  color: var(--text-muted);
}

.result-me {
  background: var(--primary-tint);
  border-color: var(--success);
}

.result-me h2 { color: var(--success); }

.result-opponent {
  background: var(--bg);
  border-color: var(--danger);
}

.result-opponent h2 { color: var(--danger); }

.result-draw {
  background: var(--bg);
  border-color: var(--warning);
}

.result-draw h2 { color: var(--warning); }

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 520px) {
  .results-grid { grid-template-columns: 1fr; }
}

.result-tile {
  background: var(--bg);
  border: 1px solid var(--neutral);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-align: center;
}

.result-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 600;
}

.result-word {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--primary-dark);
  letter-spacing: 0.05em;
}