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

/* ── Design tokens ───────────────────────────────────────────────────────── */
:root {
  --bg:           #0e0d0c;
  --bg-card:      #181714;
  --bg-input:     #201e1b;
  --bg-hover:     #252220;

  --border:       #2b2820;
  --border-hi:    #3d3a32;

  --accent:       #c9943a;
  --accent-dim:   rgba(201,148,58,.14);
  --accent-text:  #e8b96a;

  --text:         #e2dbd0;
  --text-muted:   #736b5e;
  --text-hint:    #9e9080;

  --green:        #4a7c59;
  --green-bg:     rgba(74,124,89,.15);
  --green-border: rgba(74,124,89,.35);
  --green-text:   #76bf96;

  --red:          #8b3939;
  --red-bg:       rgba(139,57,57,.15);
  --red-border:   rgba(139,57,57,.35);
  --red-text:     #d07878;

  --radius:       10px;
  --shadow:       0 4px 20px rgba(0,0,0,.5);
  --transition:   .2s ease;
}

/* ── Base ────────────────────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Lobby ───────────────────────────────────────────────────────────────── */
#lobby {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-height: 100vh;
  padding: 32px 16px 60px;
  background: var(--bg);
}

.lobby-card {
  width: 100%;
  max-width: 520px;
}

.lobby-logo {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
  letter-spacing: -.5px;
  margin-bottom: 4px;
}

.lobby-tagline {
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.lb-section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-muted);
  margin-bottom: 10px;
  padding-left: 2px;
}

/* Mode cards */
.lobby-modes {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.lobby-mode {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  transition: border-color var(--transition), background var(--transition);
  width: 100%;
}

.lobby-mode:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
}

.lobby-mode.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 0 1px var(--accent);
}

.lm-icon {
  font-size: 26px;
  flex-shrink: 0;
  line-height: 1;
}

.lm-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lm-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.lobby-mode.active .lm-title {
  color: var(--accent-text);
}

.lm-desc {
  font-size: 12px;
  color: var(--text-muted);
}

/* Settings rows */
.lobby-settings {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

.ls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
}

.ls-row:last-child { border-bottom: none; }

.ls-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.ls-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
}

.ls-desc {
  font-size: 12px;
  color: var(--text-muted);
}

/* Toggle switch */
.ls-toggle {
  flex-shrink: 0;
  width: 44px;
  height: 24px;
  background: var(--border-hi);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  position: relative;
  transition: background var(--transition);
}

.ls-toggle::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: transform var(--transition), background var(--transition);
}

.ls-toggle.on {
  background: var(--accent);
}

.ls-toggle.on::after {
  transform: translateX(20px);
  background: #111;
}

/* Choice buttons (3/5/7 etc.) */
.ls-choices {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.ls-choice {
  padding: 5px 13px;
  background: transparent;
  border: 1px solid var(--border-hi);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.ls-choice:hover {
  border-color: var(--accent);
  color: var(--accent-text);
}

.ls-choice.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #111;
  font-weight: 700;
}

/* Play button */
.btn-play {
  width: 100%;
  padding: 15px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: #111;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
  letter-spacing: .02em;
}

.btn-play:hover  { opacity: .9; transform: translateY(-1px); }
.btn-play:active { transform: translateY(0); opacity: 1; }

.ls-row-disabled {
  opacity: .35;
  pointer-events: none;
}

.daily-note {
  font-size: .72rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: .5rem .75rem;
  text-align: center;
  margin-top: .25rem;
}

.lobby-github {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: .9rem;
  font-size: .72rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: .04em;
  opacity: .55;
  transition: opacity .15s;
}
.lobby-github:hover { opacity: 1; }

/* ── Game layout ─────────────────────────────────────────────────────────── */
#app {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 16px 80px;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  padding: 14px 0 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
  gap: 10px;
}

.btn-menu {
  flex-shrink: 0;
  padding: 6px 12px;
  border: 1px solid var(--border-hi);
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-menu:hover { border-color: var(--accent); color: var(--accent-text); }

.header-center {
  flex: 1;
  text-align: center;
}

.logo {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.subtitle {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: .04em;
  margin-top: 2px;
  text-transform: uppercase;
}

/* ── Image card ──────────────────────────────────────────────────────────── */
.image-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  position: relative;
}

#dino-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: none;
  background: #060504;
}

.placeholder {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
  padding: 20px;
}

.ph-icon { font-size: 44px; line-height: 1; filter: grayscale(1) brightness(.6); }
.ph-sub  { font-size: 12px; color: var(--text-hint); margin-top: 2px; }

/* ── Hints ───────────────────────────────────────────────────────────────── */
.hints-section {
  margin-bottom: 14px;
  display: none;
}

.section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.hint-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 7px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  animation: slideDown .35s ease forwards;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hint-n {
  flex-shrink: 0;
  background: var(--accent-dim);
  color: var(--accent-text);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 2px 7px;
  border-radius: 4px;
  margin-top: 2px;
  white-space: nowrap;
}

.hint-text {
  font-size: 14px;
  color: var(--text);
  line-height: 1.45;
}

/* ── Tries dots ──────────────────────────────────────────────────────────── */
.tries-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.tries-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

#tries-dots { display: flex; gap: 7px; }

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border-hi);
  transition: background var(--transition);
}
.dot.used    { background: var(--red); }
.dot.current { background: var(--accent); box-shadow: 0 0 0 2px var(--accent-dim); }

/* ── Input ───────────────────────────────────────────────────────────────── */
.input-area  { margin-bottom: 12px; }

.input-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.input-wrap {
  flex: 1;
  position: relative;
}

#guess-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color var(--transition);
}

#guess-input:focus       { border-color: var(--accent); }
#guess-input::placeholder { color: var(--text-muted); }

#guess-input.shake { animation: shake .4s ease; }

@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%,60% { transform: translateX(-7px); }
  40%,80% { transform: translateX( 7px); }
}

#submit-btn {
  padding: 12px 20px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: #111;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity var(--transition);
  flex-shrink: 0;
}

#submit-btn:hover    { opacity: .85; }
#submit-btn:disabled { opacity: .4; cursor: not-allowed; }

/* ── Dropdown ────────────────────────────────────────────────────────────── */
.dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 100;
  overflow: hidden;
  display: none;
  max-height: 280px;
  overflow-y: auto;
}

.dropdown.open { display: block; }

.dd-item {
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), color var(--transition);
  color: var(--text);
}

.dd-item:last-child { border-bottom: none; }

.dd-item:hover,
.dd-item.hi {
  background: var(--accent-dim);
  color: var(--accent-text);
}

.dd-alias {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 4px;
}

/* ── Guess history ───────────────────────────────────────────────────────── */
.guess-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  animation: fadeIn .25s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateX(-4px); }
  to   { opacity: 1; transform: translateX(0); }
}

.guess-item.correct {
  background: var(--green-bg);
  border-color: var(--green-border);
  color: var(--green-text);
}

.guess-item.wrong {
  background: var(--red-bg);
  border-color: var(--red-border);
  color: var(--red-text);
}

.guess-icon { font-size: 13px; flex-shrink: 0; }

/* ── Game-over overlay ───────────────────────────────────────────────────── */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.78);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}

.overlay.open {
  display: flex;
  animation: overlayIn .3s ease forwards;
}

@keyframes overlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.overlay-card {
  background: var(--bg-card);
  border: 1px solid var(--border-hi);
  border-radius: 16px;
  padding: 28px 24px 22px;
  max-width: 460px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  text-align: center;
  animation: cardIn .3s ease forwards;
}

@keyframes cardIn {
  from { transform: translateY(12px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.overlay-result {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.overlay-name {
  font-family: Georgia, serif;
  font-size: 30px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  word-break: break-word;
}

#overlay-img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  border-radius: 8px;
  margin-bottom: 16px;
  background: #060504;
  display: none;
}

.overlay-hints { text-align: left; margin: 4px 0 20px; }

.overlay-hint {
  font-size: 13px;
  color: var(--text-hint);
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.45;
}

.overlay-hint:last-child { border-bottom: none; }

.overlay-btns {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 11px 22px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #111;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: opacity var(--transition);
}
.btn-primary:hover { opacity: .85; }

.btn-secondary {
  padding: 11px 22px;
  border: 1px solid var(--border-hi);
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent-text); }

#share-msg {
  margin-top: 10px;
  font-size: 13px;
  color: var(--green-text);
  display: none;
}

/* ── Image toggle (art / fossil) ─────────────────────────────────────────── */
.img-toggle {
  position: absolute;
  bottom: 10px;
  right: 10px;
  display: none;
  gap: 5px;
  z-index: 10;
}

.itog-btn {
  padding: 5px 11px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(0,0,0,.55);
  color: rgba(255,255,255,.8);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: all .2s;
}

.itog-btn:hover  { border-color: var(--accent); color: var(--accent-text); }
.itog-btn.active { background: var(--accent); border-color: var(--accent); color: #111; }

/* ── Casual mode choices ─────────────────────────────────────────────────── */
.casual-choices { margin-bottom: 12px; }

#choice-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.choice-btn {
  padding: 14px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 15px;
  font-family: Georgia, serif;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
  text-align: center;
  line-height: 1.3;
  word-break: break-word;
}

.choice-btn:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent-text);
}

/* ── Difficulty slider ───────────────────────────────────────────────────── */
.ls-slider-row { flex-direction: column; align-items: flex-start; gap: 10px; }

.ls-slider-wrap { width: 100%; }

.diff-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(to right, var(--green) 0%, var(--accent) 50%, var(--red) 100%);
  outline: none;
  cursor: pointer;
}

.diff-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text);
  border: 2px solid var(--bg-card);
  box-shadow: 0 1px 4px rgba(0,0,0,.5);
  cursor: pointer;
  transition: transform .15s;
}

.diff-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }

.diff-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text);
  border: 2px solid var(--bg-card);
  cursor: pointer;
}

.diff-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 5px;
  padding: 0 2px;
}

/* ── Mobile ──────────────────────────────────────────────────────────────── */
@media (max-width: 420px) {
  .logo         { font-size: 22px; }
  .lobby-logo   { font-size: 28px; }
  .overlay-name { font-size: 24px; }
  .overlay-card { padding: 20px 16px 18px; }
  #choice-btns  { grid-template-columns: 1fr; }
  .ls-label     { font-size: 13px; }
}