/* Wordle — clean classic look, light + dark theme */

:root {
  --bg: #ffffff;
  --fg: #1a1a1b;
  --tile-bg: #ffffff;
  --tile-border: #d3d6da;
  --key-bg: #d3d6da;
  --key-fg: #1a1a1b;
  --correct: #6aaa64;
  --present: #c9b458;
  --absent: #787c7e;
  --modal-bg: rgba(0, 0, 0, 0.55);
  --card-bg: #ffffff;
  --header-border: #d3d6da;
}

[data-theme="dark"] {
  --bg: #121213;
  --fg: #ffffff;
  --tile-bg: #121213;
  --tile-border: #3a3a3c;
  --key-bg: #818384;
  --key-fg: #ffffff;
  --correct: #538d4e;
  --present: #b59f3b;
  --absent: #3a3a3c;
  --modal-bg: rgba(0, 0, 0, 0.7);
  --card-bg: #1a1a1b;
  --header-border: #3a3a3c;
}

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

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100dvh;
  transition: background 0.2s, color 0.2s;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

/* ---------- Header ---------- */
.header {
  width: 100%;
  max-width: 500px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--header-border);
}

.title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 4px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.header-left, .header-right { display: flex; gap: 6px; }

.icon-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--fg);
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-btn:hover { background: var(--key-bg); opacity: 0.85; }

/* ---------- Board ---------- */
.game {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 500px;
  padding: 12px;
}

.board {
  display: grid;
  grid-template-rows: repeat(6, 1fr);
  gap: 5px;
  width: min(350px, 100%);
  aspect-ratio: 5 / 6;
}

.row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
}

.tile {
  border: 2px solid var(--tile-border);
  background: var(--tile-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  text-transform: uppercase;
  border-radius: 2px;
  position: relative;
  transform-style: preserve-3d;
}
.tile .face { pointer-events: none; }

/* typing pop */
.tile.pop { animation: pop 240ms ease; }
@keyframes pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.12); }
  100% { transform: scale(1); }
}

/* shake on invalid guess */
.row .tile.shake { animation: shake 700ms ease; }
@keyframes shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(2px); }
  30%, 50%, 70% { transform: translateX(-4px); }
  40%, 60% { transform: translateX(4px); }
}

/* reveal flip — deliberately slow & calm */
.tile.reveal { animation: flip 900ms ease forwards; }
@keyframes flip {
  0%   { transform: rotateX(0); }
  50%  { transform: rotateX(90deg); }
  100% { transform: rotateX(0); }
}
.tile.correct, .tile.present, .tile.absent { color: #fff; border-color: transparent; }
.tile.correct { background: var(--correct); }
.tile.present { background: var(--present); }
.tile.absent  { background: var(--absent); }

/* win bounce */
.tile.bounce { animation: bounce 900ms ease; }
@keyframes bounce {
  0%, 20% { transform: translateY(0); }
  40% { transform: translateY(-14px); }
  60% { transform: translateY(0); }
  80% { transform: translateY(-6px); }
  100% { transform: translateY(0); }
}

/* ---------- Keyboard ---------- */
.keys {
  width: 100%;
  max-width: 500px;
  padding: 8px 8px calc(12px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.krow {
  display: flex;
  justify-content: center;
  gap: 5px;
}

.key {
  flex: 1;
  max-width: 44px;
  height: 52px;
  border: none;
  border-radius: 4px;
  background: var(--key-bg);
  color: var(--key-fg);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  transition: background 0.8s ease, color 0.8s ease, filter 0.2s;
  touch-action: manipulation;
}
.key.wide { flex: 1.5; max-width: none; font-size: 12px; }
.key:hover { filter: brightness(0.92); }
.key:active { filter: brightness(0.8); }

.key.correct { background: var(--correct); color: #fff; }
.key.present { background: var(--present); color: #fff; }
.key.absent  { background: var(--absent); color: #fff; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  top: 70px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--fg);
  color: var(--bg);
  padding: 12px 20px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 15px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 60;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Modals ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: var(--modal-bg);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 16px;
}
.modal.show { display: flex; }

.modal-box {
  background: var(--card-bg);
  color: var(--fg);
  border-radius: 10px;
  padding: 24px;
  width: min(430px, 100%);
  max-height: 90dvh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}
.modal-box h2 { font-size: 20px; margin-bottom: 14px; text-align: center; }
.modal-box h3 { font-size: 15px; margin: 18px 0 10px; text-align: center; }
.modal-box p { font-size: 14.5px; line-height: 1.5; margin-bottom: 12px; }

.modal .close {
  position: absolute;
  top: 10px;
  right: 12px;
  background: none;
  border: none;
  color: var(--fg);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
}

.example {
  font-size: 14px;
  margin-bottom: 10px;
  line-height: 1.5;
}
.example .tile {
  display: inline-flex;
  width: 26px;
  height: 26px;
  font-size: 16px;
  border: none;
  margin-right: 6px;
  vertical-align: middle;
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  text-align: center;
  margin-bottom: 6px;
}
.stat-num { font-size: 28px; font-weight: 800; }
.stat-label { font-size: 12px; color: var(--absent); }

.dist-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  font-size: 13px;
}
.dist-label { width: 14px; text-align: right; font-weight: 700; }
.dist-bar {
  height: 18px;
  background: var(--correct);
  border-radius: 2px;
  min-width: 2px;
  transition: width 0.4s;
}
.dist-n { width: 20px; font-weight: 700; }

.over-title { text-align: center; }
.over-answer {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 8px;
  text-align: center;
  margin: 8px 0 4px;
  text-transform: uppercase;
}
.over-sub { text-align: center; color: var(--absent); margin-bottom: 16px; }
.over-share { display: flex; justify-content: center; }

.primary-btn {
  background: var(--correct);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  letter-spacing: 1px;
}
.primary-btn:hover { filter: brightness(0.92); }
.hidden { display: none !important; }

/* small screens */
@media (max-width: 400px) {
  .tile { font-size: 22px; }
  .key { height: 48px; font-size: 12px; }
  .title { font-size: 24px; }
}

/* ---------- Leaderboard & Groups ---------- */
.modal-box.wide { width: min(480px, 100%); }
.muted { color: var(--absent); font-size: 13px; }

.tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  background: var(--key-bg);
  border-radius: 8px;
  padding: 4px;
}
.tab {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--fg);
  padding: 8px;
  font-weight: 700;
  font-size: 14px;
  border-radius: 6px;
  cursor: pointer;
}
.tab.active { background: var(--card-bg); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2); }

.lb-list { max-height: 46dvh; overflow-y: auto; }
.lb-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 4px;
  border-bottom: 1px solid var(--header-border);
  font-size: 14px;
}
.lb-rank { width: 30px; text-align: center; font-weight: 800; }
.lb-name { flex: 1; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-pts { color: var(--correct); font-weight: 700; white-space: nowrap; }

.btn-row { display: flex; gap: 8px; margin-bottom: 12px; }
.btn {
  flex: 1;
  border: 1px solid var(--header-border);
  background: transparent;
  color: var(--fg);
  border-radius: 6px;
  padding: 10px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
.btn:hover { background: var(--key-bg); }

.grp-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 4px;
  border-bottom: 1px solid var(--header-border);
  cursor: pointer;
  font-size: 14px;
}
.grp-row:hover { background: var(--key-bg); opacity: 0.9; border-radius: 4px; }
.grp-name { flex: 1; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grp-pts { color: var(--present); font-weight: 700; white-space: nowrap; font-size: 13px; }
.grp-head { text-align: left; margin: 4px 0 10px; }

.text-input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--header-border);
  border-radius: 6px;
  background: var(--card-bg);
  color: var(--fg);
  font-size: 16px;
  margin-bottom: 10px;
  outline: none;
}
.text-input:focus { border-color: var(--correct); }

.primary-btn.block { width: 100%; }
.back-btn {
  border: none;
  background: transparent;
  color: var(--fg);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  padding: 4px 0;
  margin-bottom: 6px;
}
.back-btn:hover { opacity: 0.7; }