/* ===== UnWordle — Reverse Wordle Styles =====
   Based on Wordle SP (wordle-play.css) with pattern tile additions.
   Self-contained — includes all needed shared component styles. */

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

:root {
  --bg: #0d0d0f;
  --surface: rgba(18, 18, 19, 0.95);
  --surface-solid: #121213;
  --border: rgba(58, 58, 60, 0.7);
  --text: #ffffff;
  --text-dim: #818384;
  --green: #538d4e;
  --green-bright: #6aaa64;
  --yellow: #b59f3b;
  --gray-tile: #3a3a3c;
  --accent: #ff6b6b;
  --accent-glow: rgba(255, 107, 107, 0.3);
  --purple: #7b68ee;
}

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 500px;
  margin: 0 auto;
  padding: 0 12px;
  position: relative;
  overflow: hidden;
}

/* ===== Header ===== */
#header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 4px 8px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

.title {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--accent);
}

.timer {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-dim);
  background: rgba(58, 58, 60, 0.5);
  padding: 2px 10px;
  border-radius: 10px;
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== Hub Button ===== */
.hub-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(58, 58, 60, 0.6);
  border: 1.5px solid var(--border);
  color: var(--text-dim);
  text-decoration: none;
  transition: all 0.2s ease;
  flex-shrink: 0;
}
.hub-btn:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--text);
}

/* ===== Icon Buttons (new puzzle, stats) ===== */
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 28px;
  border-radius: 6px;
  background: rgba(58, 58, 60, 0.5);
  border: 1.5px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}
.icon-btn:hover, .icon-btn.active {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--text);
}

/* ===== Stats Dropdown ===== */
.stats-dropdown {
  position: absolute;
  top: 50px;
  left: 0;
  right: 0;
  margin: 0 auto;
  max-width: 476px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  z-index: 80;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  animation: dropdownIn 0.2s ease-out;
}
.stats-dropdown.hidden { display: none; }

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

.stats-dropdown-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.05em;
}

.stats-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.stat-item {
  text-align: center;
  background: rgba(58, 58, 60, 0.3);
  padding: 8px 4px;
  border-radius: 8px;
}

.stat-val {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-lbl {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.stats-history {
  max-height: 150px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stats-history:empty { display: none; }

.stats-h-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(58, 58, 60, 0.2);
}

.stats-h-word {
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text);
}

.stats-h-time {
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.stats-h-badge {
  display: inline-block;
  font-size: 0.52rem;
  font-weight: 800;
  background: var(--accent);
  color: #fff;
  padding: 1px 4px;
  border-radius: 3px;
  margin-left: 5px;
  vertical-align: middle;
  letter-spacing: 0.03em;
}

/* ===== Game Area ===== */
#game-area {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  padding: 8px 0 6px 0;
  justify-content: center;
  align-items: center;
}

.mode-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px;
  width: 100%;
}

.puzzle-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  text-align: center;
}

/* ===== Daily Badge ===== */
.daily-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.65rem;
  font-weight: 700;
  color: #ffab00;
  background: rgba(255, 171, 0, 0.12);
  border: 1px solid rgba(255, 171, 0, 0.3);
  border-radius: 12px;
  padding: 3px 10px;
  letter-spacing: 0.05em;
  animation: dailyGlow 2s ease-in-out infinite alternate;
  flex-shrink: 0;
}

@keyframes dailyGlow {
  from { box-shadow: 0 0 4px rgba(255, 171, 0, 0.2); }
  to   { box-shadow: 0 0 10px rgba(255, 171, 0, 0.4); }
}

/* ===== Difficulty Toggle ===== */
.difficulty-toggle {
  display: flex;
  gap: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1.5px solid var(--border);
  flex-shrink: 0;
}

.diff-btn {
  font-family: inherit;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border: none;
  background: rgba(58, 58, 60, 0.3);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.diff-btn:hover {
  background: rgba(58, 58, 60, 0.6);
  color: var(--text);
}

.diff-btn.active {
  background: var(--accent);
  color: #fff;
}

/* ===== Grid ===== */
.wordle-grid {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 100%;
  max-width: calc(var(--cols, 5) * 69px + (var(--cols, 5) - 1) * 5px);
  margin: 0 auto;
}

.wordle-row {
  display: flex;
  justify-content: center;
  gap: 5px;
  position: relative;
  transition: opacity 0.2s;
}

/* ===== Tiles ===== */
.wordle-tile {
  width: clamp(46px, calc(100% / var(--cols, 5) - 5px), 64px);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1.3rem, 4vw, 1.8rem);
  font-weight: 800;
  letter-spacing: 0.05em;
  border-radius: 4px;
  text-transform: uppercase;
  transition: all 0.15s ease;
  color: #fff;
  border: 2px solid transparent;
}

/* Pattern tiles — show color even when empty */
.wordle-tile.pattern-correct {
  background: var(--green);
  border-color: rgba(83, 141, 78, 0.6);
}

.wordle-tile.pattern-present {
  background: var(--yellow);
  border-color: rgba(181, 159, 59, 0.6);
}

.wordle-tile.pattern-absent {
  background: var(--gray-tile);
  border-color: rgba(58, 58, 60, 0.6);
}

/* Empty pattern tiles — slightly dimmed */
.wordle-tile.pattern-correct:not(.has-letter):not(.locked),
.wordle-tile.pattern-present:not(.has-letter):not(.locked),
.wordle-tile.pattern-absent:not(.has-letter):not(.locked) {
  opacity: 0.55;
}

/* Tile with typed letter — bright */
.wordle-tile.has-letter {
  opacity: 1;
}

/* Pop only the just-typed tile */
.wordle-tile.tile-pop {
  animation: tilePop 0.1s ease;
}

/* Invalid word — red ring + shake */
.wordle-tile.tile-invalid {
  border: 2px solid rgba(220, 50, 50, 0.9) !important;
  box-shadow: 0 0 8px rgba(220, 50, 50, 0.45);
  animation: tileShake 0.4s ease;
}

@keyframes tileShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

/* Cursor position — pulsing dashed border */
.wordle-tile.cursor {
  border: 2px dashed rgba(255, 255, 255, 0.7);
  animation: cursorPulse 1.2s ease-in-out infinite;
  opacity: 0.75;
}

@keyframes cursorPulse {
  0%, 100% { border-color: rgba(255, 255, 255, 0.4); }
  50% { border-color: rgba(255, 255, 255, 0.9); }
}

@keyframes tilePop {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

/* Locked/solved tiles */
.wordle-tile.locked {
  opacity: 1;
  border-color: transparent;
}

/* Active row indicator */
.wordle-row.active-row {
  filter: none;
}

/* Solved row — subtle checkmark indicator */
.wordle-row.solved-row::after {
  content: '✓';
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9rem;
  color: var(--green-bright);
  opacity: 0.8;
}

/* ===== Answer Row Divider + Styling ===== */
.wordle-row.answer-row {
  margin-top: 8px;
  padding-top: 10px;
  border-top: 2px solid rgba(106, 170, 100, 0.4);
}

.wordle-tile.answer-tile {
  background: var(--green);
  border-color: var(--green-bright);
  color: #fff;
  font-weight: 800;
  opacity: 1;
  box-shadow: 0 0 8px rgba(106, 170, 100, 0.3);
}

/* Row solve animation */
.wordle-row.just-solved .wordle-tile {
  animation: rowSolve 0.4s ease;
}

@keyframes rowSolve {
  0% { transform: scale(1); }
  30% { transform: scale(1.06); }
  100% { transform: scale(1); }
}

/* ===== QWERTY Keyboard ===== */
.keyboard {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 6px 0 10px;
  flex-shrink: 0;
}

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

.kb-key {
  height: 48px;
  flex: 1;
  max-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  background: rgba(145, 147, 153, 0.55);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s, transform 0.1s;
  font-family: inherit;
  padding: 0;
  user-select: none;
}

.kb-key:active {
  background: rgba(90, 90, 92, 0.9);
  transform: scale(0.95);
}

.kb-key.wide {
  flex: 1.5;
  max-width: 62px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.kb-key.enter {
  background: var(--accent);
  color: #fff;
}

.kb-key.enter:active {
  background: #ff8888;
}

.kb-key.backspace {
  font-size: 1.2rem;
}

/* Keyboard — 3-state coloring */
.kb-key.in-answer {
  background: var(--green) !important;
  color: #fff;
}

.kb-key.kb-used {
  background: rgba(58, 58, 60, 0.55) !important;
  color: rgba(255, 255, 255, 0.35);
}

/* ===== Error Toast ===== */
.error-toast {
  position: fixed;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  background: #dc2626;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 8px;
  z-index: 50;
  animation: toastIn 0.3s ease-out;
  pointer-events: none;
  white-space: nowrap;
  max-width: 90vw;
  overflow: hidden;
  text-overflow: ellipsis;
}

.error-toast.hidden {
  display: none;
}

@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, -10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

.error-toast.shake {
  animation: toastIn 0.3s ease-out, toastShake 0.4s ease 0.1s;
}

@keyframes toastShake {
  0%, 100% { transform: translate(-50%, 0); }
  25% { transform: translate(calc(-50% - 6px), 0); }
  75% { transform: translate(calc(-50% + 6px), 0); }
}

/* ===== Win Overlay ===== */
.win-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.win-overlay.hidden {
  display: none;
}

.win-modal {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  background: var(--surface-solid);
  padding: 28px 32px;
  border-radius: 20px;
  border: 2px solid var(--accent);
  box-shadow: 0 0 40px var(--accent-glow);
  animation: bounceIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 340px;
  width: 100%;
}

@keyframes bounceIn {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.win-emoji {
  font-size: 3rem;
}

.win-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.win-word {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.25em;
  color: var(--green-bright);
}

.win-info {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.win-info strong {
  color: var(--accent);
}

.win-countdown {
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* ===== Safe area padding for notched phones ===== */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .keyboard {
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
  }
}