/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-input: #1a1a26;
  --border: #2a2a3a;
  --text: #e8e8f0;
  --text-muted: #6b6b80;
  --accent: #7c6cf0;
  --accent-glow: rgba(124, 108, 240, 0.15);
  --success: #4ade80;
  --error: #f87171;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 12px;
  --radius-sm: 8px;
}

html { font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  -webkit-font-smoothing: antialiased;
}

/* ── App Shell ── */
#app {
  width: 100%;
  max-width: 480px;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 32px;
}

header h1 {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.accent { color: var(--accent); }

#guess-counter {
  font-family: var(--font-mono);
  font-size: 1.1rem;
}
#guesses-remaining {
  color: var(--accent);
  font-weight: 600;
  font-size: 1.3rem;
}
#guess-counter .label {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ── Main Game Area ── */
main { flex: 1; display: flex; flex-direction: column; }

#game-area {
  flex: 1;
  display: flex;
  flex-direction: column;
}

#guess-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 16px;
}

.guess-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  animation: slideIn 0.25s ease-out;
}

.guess-word {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 400;
}

.guess-score {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Input ── */
#guess-form { margin-top: auto; padding-top: 16px; }

.input-wrapper {
  display: flex;
  gap: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 4px 4px 16px;
  transition: border-color 0.2s;
}
.input-wrapper:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

#guess-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1rem;
  outline: none;
}
#guess-input::placeholder { color: var(--text-muted); }

#submit-btn {
  background: var(--accent);
  border: none;
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  flex-shrink: 0;
}
#submit-btn:hover { background: #6b5ce0; }
#submit-btn:active { transform: scale(0.95); }
#submit-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.error {
  color: var(--error);
  font-size: 0.8rem;
  margin-top: 8px;
  padding-left: 4px;
}

/* ── Loading ── */
.loading {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-muted);
}
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Modal ── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
  animation: fadeIn 0.2s ease-out;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  max-width: 420px;
  width: 100%;
  animation: modalIn 0.25s ease-out;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal h2 {
  font-size: 1.3rem;
  margin-bottom: 16px;
  font-weight: 600;
}
.modal p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 12px;
}
.modal strong { color: var(--text); }

.example-table {
  margin: 20px 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}
.example-row {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr 1fr;
  padding: 10px 14px;
  font-size: 0.82rem;
  gap: 8px;
}
.example-row.header {
  background: var(--bg-input);
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}
.example-row:not(.header) { border-top: 1px solid var(--border); }
.score-high { color: var(--success); font-family: var(--font-mono); font-weight: 600; }
.score-low { color: var(--error); font-family: var(--font-mono); font-weight: 600; }

.hint {
  font-size: 0.8rem !important;
  color: var(--accent) !important;
  font-style: italic;
}

.btn-primary {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  margin-top: 20px;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover { background: #6b5ce0; }
.btn-primary:active { transform: scale(0.98); }

/* ── Result Modal ── */
#result-icon {
  font-size: 3rem;
  text-align: center;
  margin-bottom: 8px;
}
#result-word {
  font-family: var(--font-mono);
  font-size: 1.4rem !important;
  color: var(--text) !important;
  font-weight: 600;
  text-align: center;
}
#result-definition {
  text-align: center;
  font-style: italic;
}
#result-stats {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.85rem !important;
}
#result-title { text-align: center; }

/* ── Give Up Button ── */
.btn-giveup {
  display: block;
  width: 100%;
  padding: 10px;
  margin-top: 12px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.82rem;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.btn-giveup:hover { color: var(--error); border-color: var(--error); }
.btn-giveup.confirming {
  color: var(--error);
  border-color: var(--error);
  animation: pulse 0.6s ease-in-out infinite alternate;
}
@keyframes pulse { to { opacity: 0.6; } }

/* ── Secondary Button ── */
.btn-secondary {
  display: block;
  width: 100%;
  padding: 14px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-secondary:hover { border-color: var(--text-muted); color: var(--text); }

/* ── Modal Actions ── */
.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
}
.modal-actions .btn-primary,
.modal-actions .btn-secondary { margin-top: 0; }

/* ── Mode Label ── */
.mode-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 2px 6px;
  opacity: 0.7;
}
#header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Out-of-Vocab Note ── */
.guess-note {
  width: 100%;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 4px;
}
.guess-row.unscored .guess-score { opacity: 0.5; }

/* ── Hint Bar ── */
.hint-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}
.hint-label { color: var(--text-muted); }
.hint-pos {
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 500;
}
.btn-pool {
  margin-left: auto;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.btn-pool:hover { color: var(--text); border-color: var(--text-muted); }

/* ── Pool Badge (in guess rows) ── */
.pool-badge {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 5px;
  border-radius: 3px;
  margin-left: 8px;
  flex-shrink: 0;
}
.pool-badge.in-pool {
  color: var(--accent);
  border: 1px solid rgba(124, 108, 240, 0.3);
}
.pool-badge.not-pool {
  color: var(--text-muted);
  border: 1px solid var(--border);
  opacity: 0.6;
}

/* ── Word Pool Modal ── */
.modal-tall {
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.modal-header h2 { margin-bottom: 0; }
.pool-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}
.btn-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 8px;
  transition: color 0.15s;
}
.btn-close:hover { color: var(--text); }

/* ── POS Hint in Pool Modal ── */
.pool-pos-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.pool-pos-hint strong {
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 600;
}

.pool-search {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  outline: none;
  margin-bottom: 12px;
  transition: border-color 0.2s;
}
.pool-search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.pool-search::placeholder { color: var(--text-muted); }

.pool-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.pool-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 0.82rem;
  transition: background 0.1s;
}
.pool-item:hover { background: var(--bg-input); }
.pool-item-guessed { opacity: 0.35; }
.pool-item-guessed .pool-item-word { text-decoration: line-through; }
.pool-item-word {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text);
  min-width: 120px;
}
.pool-item-pos {
  font-size: 0.7rem;
  color: var(--accent);
  opacity: 0.7;
  min-width: 32px;
}
.pool-item-def {
  color: var(--text-muted);
  font-size: 0.78rem;
  flex: 1;
}

/* ── Utilities ── */
.hidden { display: none !important; }

/* ── Responsive ── */
@media (max-width: 375px) {
  #app { padding: 16px 12px; }
  header h1 { font-size: 1.4rem; }
  .guess-row { padding: 10px 12px; }
  .modal { padding: 24px 20px; }
  .pool-item-def { display: none; }
}