:root {
  /* Dark mode (default) */
  --bg: #160516;
  --bg-2: #221127;
  --bg-3: #2d1834;
  --ink: #f6ecf3;
  --ink-dim: #b09ab8;
  --ink-faint: #6f5a78;
  --accent: #d946a8;
  --accent-2: #f8b6da;
  --accent-dark: #b13386;   /* darker magenta for gradients */

  /* Tile / letter states */
  --absent: #3a2842;
  --present: #c79320;
  --correct: #9333d9;

  /* Keyboard key default bg */
  --key-bg: #3a213e;
  --key-bg-active: #2d1834;

  --border: #3a213e;
  --backdrop: rgba(8, 2, 10, 0.78);

  /* Glow gradient stops */
  --glow-1: rgba(217, 70, 168, 0.16);
  --glow-2: rgba(139, 63, 211, 0.10);

  /* Shared shadows */
  --shadow-accent: rgba(217, 70, 168, 0.30);
  --shadow-correct: rgba(147, 51, 217, 0.45);

  /* Streak card gradient + glow */
  --streak-bg-from: rgba(217, 70, 168, 0.15);
  --streak-bg-to:   rgba(139, 63, 211, 0.18);
  --streak-border:  rgba(217, 70, 168, 0.35);
  --streak-icon-shadow: rgba(217, 70, 168, 0.5);

  /* Progress bar trough */
  --trough: rgba(0, 0, 0, 0.3);

  --font-serif: "Cormorant Garamond", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    /* Light mode — cream/pink palette preserves romantasy feel.
       Accents shift darker so they hit contrast against the light bg. */
    --bg: #fff8fb;
    --bg-2: #fdeef5;
    --bg-3: #f6dfe9;
    --ink: #2a0a26;
    --ink-dim: #6a4a6c;
    --ink-faint: #a587a9;
    --accent: #c8398f;
    --accent-2: #8e2c75;    /* darker than --accent so it reads on light bg */
    --accent-dark: #9a2670;

    --absent: #c8b8cc;      /* light gray-purple */
    --present: #d4a017;     /* gold stays bold enough for white text */
    --correct: #8b3fd3;     /* purple still works on light */

    --key-bg: #ebdde9;
    --key-bg-active: #d8c4db;

    --border: #ead4e2;
    --backdrop: rgba(40, 20, 50, 0.32);

    --glow-1: rgba(217, 70, 168, 0.10);
    --glow-2: rgba(139, 63, 211, 0.06);

    --shadow-accent: rgba(200, 57, 143, 0.22);
    --shadow-correct: rgba(139, 63, 211, 0.32);

    --streak-bg-from: rgba(200, 57, 143, 0.10);
    --streak-bg-to:   rgba(139, 63, 211, 0.10);
    --streak-border:  rgba(200, 57, 143, 0.30);
    --streak-icon-shadow: rgba(200, 57, 143, 0.35);

    --trough: rgba(42, 10, 38, 0.15);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  height: 100dvh;
  overflow: hidden;          /* No scroll. Wordle fits in the viewport. */
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, var(--glow-1), transparent 70%),
    radial-gradient(ellipse 80% 50% at 50% 100%, var(--glow-2), transparent 70%);
}

/* Slim back-to-90books row above the game topbar */
.home-bar {
  width: 100%;
  max-width: 500px;
  padding: 8px 16px 0;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.home-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--ink-faint);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.4px;
  padding: 2px 6px 2px 0;
  transition: color 0.15s;
}
.home-link:hover { color: var(--accent-2); }
.home-link:active { color: var(--accent); }

/* Topbar */
.topbar {
  width: 100%;
  max-width: 500px;
  display: grid;
  grid-template-columns: 36px 1fr 36px;
  align-items: center;
  padding: 10px 14px 6px;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}
.wordmark {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 26px;
  text-align: center;
  letter-spacing: 1px;
  margin: 0;
}
.wordmark a { color: var(--ink); text-decoration: none; }

.icon-btn {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink-dim);
  font-size: 15px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  padding: 0;
  transition: border-color 0.15s, color 0.15s;
}
.icon-btn:hover { border-color: var(--accent); color: var(--ink); }

/* Board — 6 rows × 5 tiles. Wrapped so it can center vertically in the
   remaining flex space without forcing tile rows to stretch. */
.board-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 0;
  padding: 4px 14px;
  position: relative;
  z-index: 1;
}
.board {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 100%;
  max-width: 340px;
}
.brow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
}
.tile {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 28px;
  font-weight: 800;
  color: var(--ink);
  background: transparent;
  border: 2px solid var(--border);
  border-radius: 4px;
  text-transform: uppercase;
  transition: border-color 0.1s, transform 0.1s;
}
.tile.filled {
  border-color: var(--ink-faint);
  animation: pop 0.12s ease;
}
.tile.revealed {
  border: none;
  color: #fff;
  animation: flip 0.55s ease forwards;
}
.tile.correct { background: var(--correct); box-shadow: 0 0 14px var(--shadow-correct); }
.tile.present { background: var(--present); }
.tile.absent  { background: var(--absent); }

.brow.shake { animation: shake 0.42s cubic-bezier(.36,.07,.19,.97); }

@keyframes pop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.08); }
  100% { transform: scale(1); }
}
@keyframes flip {
  0%   { transform: rotateX(0); }
  45%  { transform: rotateX(90deg); }
  100% { transform: rotateX(0); }
}
@keyframes shake {
  10%, 90% { transform: translateX(-2px); }
  20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-5px); }
  40%, 60% { transform: translateX(5px); }
}

/* Keyboard */
.keyboard {
  width: 100%;
  max-width: 500px;
  padding: 6px 6px calc(8px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.kb-row {
  display: flex;
  gap: 5px;
  justify-content: center;
}
.kb-row[data-row="1"] { padding: 0 18px; }    /* visual indent like Wordle */
.kb-key {
  flex: 1;
  height: 52px;
  border-radius: 4px;
  background: var(--key-bg);
  color: var(--ink);
  border: none;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  transition: background 0.15s, transform 0.05s;
}
.kb-key:active { transform: scale(0.96); background: var(--key-bg-active); }
.kb-wide { flex: 1.6; font-size: 11px; letter-spacing: 0.5px; }

/* Keyboard letter state after evaluation */
.kb-key.correct { background: var(--correct); color: #fff; }
.kb-key.present { background: var(--present); color: #fff; }
.kb-key.absent  { background: var(--absent);  color: var(--ink-faint); }

/* Sheets / modals */
.sheet {
  border: none;
  background: var(--bg-2);
  color: var(--ink);
  padding: 0;
  width: calc(100% - 24px);
  max-width: 440px;
  margin: auto;
  border-radius: 14px;
  max-height: 96vh;
  overflow-y: auto;
  animation: sheetIn 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.sheet::backdrop {
  background: var(--backdrop);
  backdrop-filter: blur(6px);
}
@keyframes sheetIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.sheet-inner { padding: 16px 20px 18px; position: relative; }
.sheet-close {
  position: absolute;
  top: 12px; right: 12px;
  background: transparent;
  border: none;
  color: var(--ink-dim);
  font-size: 24px; line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
}
.sheet-close:hover { color: var(--ink); }
.sheet-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 26px;
  margin: 0 0 12px;
  letter-spacing: 0.3px;
}

.rules {
  list-style: disc;
  padding-left: 20px;
  margin: 10px 0;
  color: var(--ink-dim);
  font-size: 14px;
  line-height: 1.5;
}
.rules-clues {
  color: var(--ink-dim);
  font-size: 13px;
  margin: 12px 0;
}
.rules-clues em { color: var(--accent-2); font-style: italic; }

.examples-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--ink-faint);
  margin: 18px 0 8px;
  font-weight: 700;
}
.ex-row { display: flex; gap: 4px; margin: 8px 0 4px; }
.ex-tile {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--border);
  border-radius: 4px;
  font-weight: 700; font-size: 14px;
  color: var(--ink);
}
.ex-tile.correct { background: var(--correct); border-color: var(--correct); color: #fff; }
.ex-tile.present { background: var(--present); border-color: var(--present); color: #fff; }
.ex-tile.absent  { background: var(--absent);  border-color: var(--absent);  color: #fff; }
.ex-desc { font-size: 13px; color: var(--ink-dim); margin: 0 0 6px; }
.ex-desc strong { color: var(--ink); }

.footnote { margin-top: 18px; color: var(--ink-faint); font-size: 12px; }

/* Stats */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  text-align: center;
  margin: 8px 0 16px;
}
.stat-row > div { display: flex; flex-direction: column; }
.stat-row span {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 600;
  color: var(--ink);
}
.stat-row small {
  color: var(--ink-faint);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 4px;
}
.dist-title {
  margin: 14px 0 8px;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 700;
}
.dist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.dist li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 8px;
  align-items: center;
  font-size: 13px;
}
.dist .bar {
  background: var(--absent);
  border-radius: 3px;
  height: 18px;
  min-width: 8px;
  transition: width 0.4s ease;
  display: flex; align-items: center; justify-content: flex-end;
  padding: 0 6px;
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
}
.dist .bar.today {
  background: linear-gradient(90deg, var(--accent), var(--correct));
}

/* End sheet — celebration block */
.celebration {
  text-align: center;
  padding: 2px 0 8px;
}
.celebration-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 28px;
  margin: 0 0 2px;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, #f8b6da, #d946a8 60%, #8b3fd3);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.celebration.lost .celebration-title {
  background: none;
  -webkit-text-fill-color: var(--ink);
  color: var(--ink);
}
.celebration-sub {
  font-size: 13px;
  color: var(--ink-dim);
  margin: 0;
  letter-spacing: 0.5px;
}

.end-word {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  text-align: center;
  letter-spacing: 5px;
  color: var(--accent-2);
  margin: 0 0 10px;
  text-transform: uppercase;
}
/* Streak badge card on win screen */
.streak-card {
  background: linear-gradient(135deg, var(--streak-bg-from), var(--streak-bg-to));
  border: 1px solid var(--streak-border);
  border-radius: 10px;
  padding: 9px 12px;
  margin: 0 0 8px;
}
.streak-badge-row {
  display: flex; align-items: center; gap: 12px;
}
.streak-badge-icon {
  font-size: 24px; line-height: 1;
  flex-shrink: 0;
  filter: drop-shadow(0 3px 8px var(--streak-icon-shadow));
}
.streak-badge-text { flex: 1; min-width: 0; }
.streak-badge-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 15px;
  color: var(--accent-2);
  letter-spacing: 0.3px;
  line-height: 1.2;
}
.streak-badge-sub {
  font-size: 11px;
  color: var(--ink-dim);
  margin-top: 2px;
}
.streak-progress { margin-top: 8px; }
.streak-progress-bar {
  background: var(--trough);
  border-radius: 3px;
  height: 5px;
  overflow: hidden;
}
.streak-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--correct));
  border-radius: 3px;
  transition: width 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.streak-progress-label {
  margin-top: 4px;
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.5px;
  text-align: right;
}

/* Mini stats row */
.mini-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  text-align: center;
  padding: 0 0 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.mini-stats > div { display: flex; flex-direction: column; }
.mini-stats span {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
}
.mini-stats small {
  color: var(--ink-faint);
  font-size: 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-top: 1px;
}

/* Email reminder card — its own bordered card, like the streak card */
.reminder-card {
  margin-top: 12px;
  padding: 14px 14px 13px;
  border: 1px solid var(--streak-border);
  border-radius: 10px;
  background: linear-gradient(135deg, var(--streak-bg-from), var(--streak-bg-to));
}
/* One-time attention pulse fired after the win celebration settles */
.reminder-card.reminder-highlight {
  animation: reminderPulse 1.6s cubic-bezier(0.2, 0.8, 0.2, 1) 2;
}
@keyframes reminderPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(147, 51, 217, 0); border-color: var(--streak-border); }
  50%      { box-shadow: 0 0 0 4px rgba(147, 51, 217, 0.22); border-color: var(--accent); }
}
@media (prefers-reduced-motion: reduce) {
  .reminder-card.reminder-highlight { animation: none; }
}
.reminder-active {
  margin: 10px 0 0;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--ink-dim);
  text-align: center;
}
.reminder-headline {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 16px;
  color: var(--accent-2);
  margin: 0 0 4px;
  text-align: center;
  letter-spacing: 0.3px;
}
.reminder-pitch {
  font-size: 12px;
  color: var(--ink-dim);
  margin: 0 0 10px;
  text-align: center;
  line-height: 1.4;
}
.reminder-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}
#reminder-email {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--ink);
  padding: 9px 12px;
  font-family: var(--font-sans);
  font-size: 13px;
  outline: none;
  min-width: 0;
  transition: border-color 0.15s;
}
#reminder-email:focus { border-color: var(--accent); }
#reminder-email::placeholder { color: var(--ink-faint); }
#reminder-submit {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--ink);
  padding: 0 16px;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  transition: background 0.15s, border-color 0.15s;
}
#reminder-submit:hover:not(:disabled) {
  background: var(--accent);
  border-color: var(--accent);
}
#reminder-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.reminder-toast {
  margin: 10px 0 0;
  text-align: center;
  font-size: 13px;
  line-height: 1.4;
}
.reminder-success { color: var(--accent-2); }
.reminder-error   { color: #ff8aa3; }

/* ---- Book recommendation (text link) ---- */
.book-rec {
  margin: 10px 0 4px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.book-rec-label {
  font-size: 11px;
  color: var(--ink-dim);
  margin: 0 0 6px;
  letter-spacing: 0.3px;
}
.book-rec-text-link {
  display: inline-block;
  text-decoration: none;
  transition: color 0.15s;
}
.book-rec-text-link #book-rec-title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--accent-2);
  letter-spacing: 0.3px;
  line-height: 1.3;
}
.book-rec-text-link:hover #book-rec-title { color: var(--accent); }
.book-rec-arrow {
  font-size: 15px;
  color: var(--accent);
}
.book-rec-byline {
  display: block;
  font-size: 11px;
  color: var(--ink-faint);
  margin-top: 2px;
  letter-spacing: 0.2px;
}

.end-share { padding-top: 2px; }
.primary {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border: none;
  color: white;
  font-weight: 600;
  padding: 10px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  font-family: var(--font-sans);
  box-shadow: 0 6px 20px var(--shadow-accent);
}
.primary:active { transform: scale(0.98); }
.toast {
  display: block;
  text-align: center;
  margin-top: 10px;
  color: var(--accent-2);
  font-size: 13px;
}
/* Share confirmation toast — subtle fade + rise (no display rule so the
   hidden attribute still removes it from layout when not showing). */
.share-toast {
  text-align: center;
  margin-top: 10px;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 600;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.share-toast.show {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .share-toast { transition: none; }
}
.next {
  text-align: center;
  color: var(--ink-faint);
  font-size: 11px;
  margin: 0 0 8px;
}
.next span {
  font-family: "SF Mono", ui-monospace, monospace;
  color: var(--ink-dim);
}

/* Floating toast (invalid guess) */
.float-toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bg);
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  z-index: 100;
  letter-spacing: 0.3px;
  pointer-events: none;
  animation: toastIn 0.2s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, -8px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* Tighten on shorter screens */
@media (max-height: 700px) {
  .tile { font-size: 24px; }
  .kb-key { height: 46px; font-size: 13px; }
  .wordmark { font-size: 22px; }
}
@media (max-height: 600px) {
  .tile { font-size: 20px; }
  .kb-key { height: 42px; font-size: 12px; }
  .topbar { padding: 6px 14px 4px; }
}