/* ─────────────────────────────────────────────
   Flappywala — Chaiiwala-branded home screen
   Brand palette:  Karak Beige #e3dbd4 · Chaii Brown #937264
   Headline:       Myriad Pro Bold lowercase, tracking -0.04em
   Body:           Centaur Bold / Myriad Pro Regular
   ───────────────────────────────────────────── */

:root {
  --karak-beige:   #e3dbd4;
  --karak-beige-2: #f1ece7;
  --chaii-brown:   #937264;
  --chaii-brown-d: #6b4f43;
  --chaii-brown-x: #3a2620;
  --ink:           #1a1110;
  --paper:         #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

body {
  font-family: 'MyriadPro', sans-serif;
  background: var(--karak-beige);
  color: var(--chaii-brown-x);
  transition: background 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

/* Dark theme = warm chaii brown, never gothic */
body.dark-theme {
  background: var(--chaii-brown-x);
  color: var(--karak-beige);
}

/* ── BACKGROUND ── */
#bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 50% 25%, rgba(255,255,255,0.55) 0%, rgba(255,255,255,0) 55%),
    radial-gradient(ellipse at 50% 105%, rgba(147,114,100,0.35) 0%, rgba(147,114,100,0) 60%),
    var(--karak-beige);
  transition: background 0.3s ease;
}

body.dark-theme #bg {
  background:
    radial-gradient(ellipse at 50% 25%, rgba(227,219,212,0.18) 0%, rgba(227,219,212,0) 55%),
    radial-gradient(ellipse at 50% 105%, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0) 60%),
    var(--chaii-brown-x);
}

/* ── TOP BAR BUTTONS ── */
.icon-btn {
  position: fixed;
  top: 18px;
  z-index: 999;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1.5px solid var(--chaii-brown);
  background: rgba(255,255,255,0.65);
  color: var(--chaii-brown-x);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.18s ease, background 0.2s ease;
}

.icon-btn:hover  { transform: scale(1.06); background: rgba(255,255,255,0.85); }
.icon-btn:active { transform: scale(0.94); }

body.dark-theme .icon-btn {
  background: rgba(58,38,32,0.55);
  border-color: var(--karak-beige);
  color: var(--karak-beige);
}

.settings-btn   { left: 18px; }
.leaderboard-btn{ right: 18px; font-size: 20px; }

.settings-btn   { /* legacy class compatibility */ }
.leaderboard-btn{ /* legacy class compatibility */ }

/* ── SETTINGS PANEL ── */
.settings-panel {
  position: fixed;
  top: 0;
  left: -100%;
  width: min(380px, 88vw);
  height: 100vh;
  background: var(--karak-beige-2);
  border-right: 1px solid rgba(147,114,100,0.25);
  z-index: 1000;
  transition: left 0.32s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 6px 0 40px rgba(58,38,32,0.18);
  padding: 80px 28px 28px;
  overflow-y: auto;
}

body.dark-theme .settings-panel {
  background: var(--chaii-brown-x);
  border-right-color: rgba(227,219,212,0.18);
}

.settings-panel.active { left: 0; }

.settings-content { display: flex; flex-direction: column; gap: 22px; }

.settings-title {
  font-family: 'MyriadPro', sans-serif;
  font-weight: 700;
  font-size: 22px;
  text-transform: lowercase;
  letter-spacing: -0.04em;
  color: var(--chaii-brown-x);
  text-align: center;
  margin-bottom: 6px;
}

body.dark-theme .settings-title { color: var(--karak-beige); }

.setting-item {
  background: rgba(147,114,100,0.08);
  padding: 18px 20px;
  border-radius: 14px;
  border: 1px solid rgba(147,114,100,0.18);
}

body.dark-theme .setting-item {
  background: rgba(227,219,212,0.06);
  border-color: rgba(227,219,212,0.15);
}

.setting-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'MyriadPro', sans-serif;
  font-weight: 300;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--chaii-brown-x);
  cursor: pointer;
}

body.dark-theme .setting-label { color: var(--karak-beige); }

.toggle-container { display: flex; align-items: center; gap: 10px; }
.toggle-option    { font-size: 10px; opacity: 0.55; letter-spacing: 0.1em; }

.toggle-switch { position: relative; display: inline-block; width: 48px; height: 26px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(147,114,100,0.25);
  transition: 0.3s;
  border-radius: 26px;
  border: 1.5px solid rgba(147,114,100,0.45);
}

body.dark-theme .toggle-slider {
  background-color: rgba(227,219,212,0.15);
  border-color: rgba(227,219,212,0.4);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px; width: 18px;
  left: 2px; bottom: 2px;
  background-color: var(--chaii-brown);
  transition: 0.3s;
  border-radius: 50%;
}

body.dark-theme .toggle-slider:before { background-color: var(--karak-beige); }

input:checked + .toggle-slider          { background-color: var(--chaii-brown); border-color: var(--chaii-brown-d); }
input:checked + .toggle-slider:before   { transform: translateX(22px); background-color: var(--karak-beige); }
body.dark-theme input:checked + .toggle-slider          { background-color: var(--karak-beige); border-color: var(--karak-beige); }
body.dark-theme input:checked + .toggle-slider:before   { background-color: var(--chaii-brown-x); }

.close-settings-btn,
.change-name-btn {
  font-family: 'MyriadPro', sans-serif;
  font-weight: 700;
  font-size: 12px;
  text-transform: lowercase;
  letter-spacing: -0.02em;
  color: var(--paper);
  background: var(--chaii-brown-x);
  border: none;
  border-radius: 12px;
  padding: 14px 32px;
  cursor: pointer;
  width: 100%;
  margin-top: 8px;
  transition: background 0.2s ease, transform 0.15s ease;
}

.change-name-btn {
  background: transparent;
  color: var(--chaii-brown-x);
  border: 1.5px solid var(--chaii-brown);
}

body.dark-theme .close-settings-btn { background: var(--karak-beige); color: var(--chaii-brown-x); }
body.dark-theme .change-name-btn    { color: var(--karak-beige); border-color: var(--karak-beige); background: transparent; }

.close-settings-btn:hover { background: var(--chaii-brown-d); }
.change-name-btn:hover    { background: rgba(147,114,100,0.12); }
.close-settings-btn:active,
.change-name-btn:active   { transform: translateY(2px); }

/* ── START SCREEN ── */
#start-screen {
  position: relative;
  z-index: 10;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 60px 24px;
}

.brand-mark {
  width: clamp(220px, 56vw, 360px);
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
  /* Logo guidelines: never recolour, distort, or shadow.
     Light bg → black logo, dark bg → white logo. */
}

.brand-mark.logo-dark  { display: block; }
.brand-mark.logo-light { display: none;  }
body.dark-theme .brand-mark.logo-dark  { display: none;  }
body.dark-theme .brand-mark.logo-light { display: block; }

.game-tagline {
  font-family: 'MyriadPro', sans-serif;
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-size: clamp(10px, 2.2vw, 13px);
  color: var(--chaii-brown);
  margin-top: -4px;
}

body.dark-theme .game-tagline { color: var(--karak-beige); opacity: 0.75; }

.game-name {
  font-family: 'MyriadPro', sans-serif;
  font-weight: 700;
  text-transform: lowercase;
  letter-spacing: -0.04em;
  font-size: clamp(40px, 9vw, 72px);
  color: var(--chaii-brown-x);
  line-height: 0.9;
  margin-top: 6px;
}

body.dark-theme .game-name { color: var(--karak-beige); }

.start-btn {
  font-family: 'MyriadPro', sans-serif;
  font-weight: 700;
  font-size: clamp(14px, 2.6vw, 18px);
  text-transform: lowercase;
  letter-spacing: -0.02em;
  color: var(--paper);
  background: var(--chaii-brown-x);
  border: none;
  border-radius: 999px;
  padding: 18px 56px;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(58,38,32,0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
  margin-top: 16px;
}

body.dark-theme .start-btn { background: var(--karak-beige); color: var(--chaii-brown-x); }

.start-btn:hover  { transform: translateY(-2px); background: var(--chaii-brown); }
body.dark-theme .start-btn:hover { background: var(--paper); }
.start-btn:active { transform: translateY(1px); box-shadow: 0 4px 12px rgba(58,38,32,0.25); }

/* ── MODALS ── */
#char-overlay,
#name-overlay,
#leaderboard-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(58,38,32,0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
}

body.dark-theme #char-overlay,
body.dark-theme #name-overlay,
body.dark-theme #leaderboard-overlay {
  background: rgba(0,0,0,0.65);
}

#char-overlay.active,
#name-overlay.active,
#leaderboard-overlay.active { display: flex; }

.char-modal {
  background: var(--karak-beige-2);
  border: 1px solid rgba(147,114,100,0.25);
  border-radius: 22px;
  padding: 32px 28px 28px;
  width: min(540px, 92vw);
  box-shadow: 0 30px 80px rgba(58,38,32,0.35);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  animation: modalIn 0.3s cubic-bezier(0.34,1.56,0.64,1);
}

body.dark-theme .char-modal {
  background: var(--chaii-brown-x);
  border-color: rgba(227,219,212,0.2);
}

@keyframes modalIn {
  from { transform: scale(0.85); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}

.modal-title {
  font-family: 'MyriadPro', sans-serif;
  font-weight: 700;
  text-transform: lowercase;
  letter-spacing: -0.03em;
  font-size: clamp(18px, 3.5vw, 24px);
  color: var(--chaii-brown-x);
  text-align: center;
}

body.dark-theme .modal-title { color: var(--karak-beige); }

/* ── CHARACTER GRID ── */
.char-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: 100%;
}

@media (max-width: 480px) {
  .char-grid { grid-template-columns: repeat(2, 1fr); }
}

.char-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 10px 12px;
  border-radius: 16px;
  border: 1.5px solid rgba(147,114,100,0.2);
  background: var(--paper);
  cursor: pointer;
  transition: transform 0.18s cubic-bezier(0.34,1.56,0.64,1), border-color 0.2s ease;
}

body.dark-theme .char-tile {
  background: rgba(227,219,212,0.06);
  border-color: rgba(227,219,212,0.18);
}

.char-tile:hover    { transform: translateY(-3px); border-color: var(--chaii-brown); }
.char-tile.selected {
  transform: translateY(-5px);
  border-color: var(--chaii-brown-x);
  box-shadow: 0 0 0 2px var(--chaii-brown-x), 0 12px 28px rgba(58,38,32,0.18);
}

body.dark-theme .char-tile.selected {
  border-color: var(--karak-beige);
  box-shadow: 0 0 0 2px var(--karak-beige), 0 12px 28px rgba(0,0,0,0.55);
}

.char-tile-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.char-tile-name {
  font-family: 'MyriadPro', sans-serif;
  font-weight: 600;
  text-transform: lowercase;
  letter-spacing: -0.02em;
  font-size: 13px;
  color: var(--chaii-brown);
  text-align: center;
}

.char-tile.selected .char-tile-name { color: var(--chaii-brown-x); }
body.dark-theme .char-tile-name              { color: rgba(227,219,212,0.7); }
body.dark-theme .char-tile.selected .char-tile-name { color: var(--karak-beige); }

/* ── CONFIRM / PLAY BUTTON ── */
.confirm-btn {
  font-family: 'MyriadPro', sans-serif;
  font-weight: 700;
  font-size: 14px;
  text-transform: lowercase;
  letter-spacing: -0.02em;
  color: var(--paper);
  background: var(--chaii-brown-x);
  border: none;
  border-radius: 12px;
  padding: 14px 36px;
  cursor: pointer;
  width: 100%;
  transition: background 0.2s ease, transform 0.15s ease;
}

body.dark-theme .confirm-btn { background: var(--karak-beige); color: var(--chaii-brown-x); }
.confirm-btn:hover  { background: var(--chaii-brown); }
body.dark-theme .confirm-btn:hover { background: var(--paper); }
.confirm-btn:active { transform: translateY(2px); }

.confirm-btn.close-btn {
  background: transparent;
  border: 1.5px solid var(--chaii-brown);
  color: var(--chaii-brown-x);
}

body.dark-theme .confirm-btn.close-btn {
  border-color: var(--karak-beige);
  color: var(--karak-beige);
}

/* ── NAME ENTRY ── */
.name-modal { gap: 18px; }
.name-input-wrap { width: 100%; display: flex; flex-direction: column; gap: 8px; align-items: center; }

.player-name-input {
  width: 100%;
  padding: 14px 18px;
  font-family: 'MyriadPro', sans-serif;
  font-weight: 600;
  font-size: 16px;
  color: var(--chaii-brown-x);
  background: var(--paper);
  border: 1.5px solid rgba(147,114,100,0.3);
  border-radius: 12px;
  text-align: center;
  outline: none;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

body.dark-theme .player-name-input {
  background: rgba(227,219,212,0.08);
  border-color: rgba(227,219,212,0.25);
  color: var(--karak-beige);
}

.player-name-input::placeholder { color: rgba(147,114,100,0.55); font-weight: 300; }
body.dark-theme .player-name-input::placeholder { color: rgba(227,219,212,0.4); }

.player-name-input:focus { border-color: var(--chaii-brown-x); box-shadow: 0 0 0 3px rgba(147,114,100,0.18); }
body.dark-theme .player-name-input:focus { border-color: var(--karak-beige); box-shadow: 0 0 0 3px rgba(227,219,212,0.18); }

.player-name-input.shake { animation: shake 0.4s ease; border-color: #c0392b; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-8px); }
  40%       { transform: translateX(8px); }
  60%       { transform: translateX(-5px); }
  80%       { transform: translateX(5px); }
}

.name-hint {
  font-family: 'Centaur', serif;
  font-weight: 700;
  font-size: 11px;
  color: rgba(147,114,100,0.7);
  text-align: center;
}

body.dark-theme .name-hint { color: rgba(227,219,212,0.5); }

/* ── LEADERBOARD ── */
.leaderboard-modal { gap: 18px; width: min(520px, 92vw); }

.leaderboard-list {
  width: 100%;
  max-height: 55vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: rgba(147,114,100,0.4) transparent;
}

.leaderboard-list::-webkit-scrollbar { width: 5px; }
.leaderboard-list::-webkit-scrollbar-thumb { background: rgba(147,114,100,0.4); border-radius: 3px; }

.lb-loading {
  font-family: 'Centaur', serif;
  font-weight: 700;
  font-size: 13px;
  color: rgba(147,114,100,0.6);
  text-align: center;
  padding: 24px 0;
}

.lb-error { color: #c0392b; }
body.dark-theme .lb-loading { color: rgba(227,219,212,0.5); }

.lb-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--paper);
  border: 1px solid rgba(147,114,100,0.15);
  animation: rowIn 0.3s ease both;
}

body.dark-theme .lb-row {
  background: rgba(227,219,212,0.06);
  border-color: rgba(227,219,212,0.12);
}

.lb-row:nth-child(1) { animation-delay: 0.05s; }
.lb-row:nth-child(2) { animation-delay: 0.10s; }
.lb-row:nth-child(3) { animation-delay: 0.15s; }
.lb-row:nth-child(4) { animation-delay: 0.20s; }
.lb-row:nth-child(5) { animation-delay: 0.25s; }

@keyframes rowIn {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}

.lb-row-top { background: var(--karak-beige); border-color: rgba(147,114,100,0.3); }
body.dark-theme .lb-row-top { background: rgba(227,219,212,0.1); }

.lb-row-me {
  border-color: var(--chaii-brown-x) !important;
  box-shadow: 0 0 0 1.5px var(--chaii-brown-x);
}

body.dark-theme .lb-row-me {
  border-color: var(--karak-beige) !important;
  box-shadow: 0 0 0 1.5px var(--karak-beige);
}

.lb-rank {
  font-family: 'MyriadPro', sans-serif;
  font-weight: 700;
  font-size: 14px;
  min-width: 36px;
  text-align: center;
  color: var(--chaii-brown);
}

.lb-name {
  font-family: 'MyriadPro', sans-serif;
  font-weight: 600;
  font-size: 17px;
  color: var(--chaii-brown-x);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-transform: lowercase;
  letter-spacing: -0.02em;
}

body.dark-theme .lb-name { color: var(--karak-beige); }
.lb-row-me .lb-name::after { content: ' (you)'; font-size: 11px; opacity: 0.55; }

.lb-score {
  font-family: 'MyriadPro', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--chaii-brown);
  min-width: 40px;
  text-align: right;
}

body.dark-theme .lb-score { color: var(--karak-beige); }

/* ── COIN PILL ── */
.coin-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(147,114,100,0.3);
  font-family: 'MyriadPro', sans-serif;
  font-weight: 700;
  font-size: 13px;
  color: var(--chaii-brown-x);
  letter-spacing: 0.04em;
  backdrop-filter: blur(8px);
}

body.dark-theme .coin-pill {
  background: rgba(58,38,32,0.55);
  border-color: rgba(227,219,212,0.3);
  color: var(--karak-beige);
}

/* ── HUB TOAST ── */
.hub-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 1100;
  padding: 12px 22px;
  border-radius: 14px;
  background: var(--chaii-brown-x);
  color: var(--paper);
  font-family: 'MyriadPro', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.01em;
  text-transform: lowercase;
  box-shadow: 0 14px 40px rgba(58,38,32,0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  max-width: 90vw;
}

.hub-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

body.dark-theme .hub-toast {
  background: var(--karak-beige);
  color: var(--chaii-brown-x);
}

/* ── HUB BACK LINK ── */
.hub-back-link {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  font-family: 'MyriadPro', sans-serif;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  text-decoration: none;
  color: var(--chaii-brown-x);
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(147,114,100,0.3);
  border-radius: 999px;
  padding: 9px 18px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.2s ease;
}

.hub-back-link:hover { background: var(--paper); }

body.dark-theme .hub-back-link {
  background: rgba(58,38,32,0.55);
  border-color: rgba(227,219,212,0.3);
  color: var(--karak-beige);
}

body.dark-theme .hub-back-link:hover { background: rgba(58,38,32,0.85); }

/* ── PARTICLES (cosy chai steam) ── */
.particle {
  position: fixed;
  font-size: 18px;
  opacity: 0.22;
  animation: float linear infinite;
  pointer-events: none;
  z-index: 5;
  filter: saturate(0.6);
}

body.dark-theme .particle { opacity: 0.18; }

@keyframes float {
  0%   { transform: translateY(110vh) rotate(0deg);    opacity: 0; }
  10%  { opacity: 0.22; }
  90%  { opacity: 0.22; }
  100% { transform: translateY(-10vh) rotate(360deg);  opacity: 0; }
}