:root {
  color-scheme: dark;
  --bg: #000b05;
  --bg-glow: rgba(0, 204, 102, 0.18);
  --fg: #e6fbee;
  --muted: #56c97f;
  --accent: #00cc66;
  --accent-fg: #00150b;
  --success: #00cc66;
  --danger: #f45b5b;
  --tile: clamp(3rem, 7vw, 4rem);
  --gap: clamp(0.35rem, 2vw, 0.55rem);
  --pad: clamp(1rem, 4vw, 2.4rem);
  --surface: #001509;
  --surface-border: #014f29;
  --t-base: #002312;
  --t-border: #026233;
  --key-border: #026233;
  --t-correct: #00cc66;
  --t-present: #f4d35e;
  --t-absent: #013518;
}

:root[data-theme='light'] {
  color-scheme: light;
  --bg: #ffffff;
  --bg-glow: rgba(0, 204, 102, 0.06);
  --fg: #05210f;
  --muted: #19884b;
  --accent: #00cc66;
  --accent-fg: #ffffff;
  --success: #00b85c;
  --danger: #d84848;
  --surface: #f4fff7;
  --surface-border: #8ad8aa;
  --t-base: #ffffff;
  --t-border: #8ad8aa;
  --key-border: #3ea463;
  --t-correct: #00cc66;
  --t-present: #ffd966;
  --t-absent: #e4f6ec;
}

html,
body {
  height: 100%;
}

html {
  min-height: 100%;
  background: var(--bg);
  background-image: radial-gradient(circle at top, var(--bg-glow), var(--bg));
  background-attachment: fixed;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: transparent;
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding:
    calc(env(safe-area-inset-top) + var(--pad))
    calc(env(safe-area-inset-right) + var(--pad))
    calc(env(safe-area-inset-bottom) + var(--pad))
    calc(env(safe-area-inset-left) + var(--pad));
}

button {
  font: inherit;
  cursor: pointer;
  touch-action: manipulation;
}

.app {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: var(--pad);
}

.app__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.title h1 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.favicon-icon {
  width: 1.2em;
  height: 1.2em;
  flex-shrink: 0;
}

.title p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: clamp(0.9rem, 2.8vw, 1rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 0.55rem 1.15rem;
  font-weight: 600;
  transition: transform 160ms ease, opacity 160ms ease;
  min-height: 44px;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  opacity: 0.85;
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--muted);
  color: var(--fg);
}

.btn--accent {
  background: var(--accent);
  color: var(--accent-fg);
}

.controls {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 18px;
  padding: 1rem 1.2rem;
  display: grid;
  gap: 0.8rem;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.controls__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
  font-size: clamp(0.85rem, 2.4vw, 0.95rem);
}

.streak-flair {
  font-weight: 600;
  color: var(--accent);
  display: none;
}

.streak-flair.hot {
  display: inline-flex;
  animation: streak-pulse 0.6s ease-in-out 2;
}

@keyframes streak-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.12);
  }
}

.mode-toggle {
  display: flex;
  justify-content: flex-end;
  gap: 0.4rem;
}

.chip {
  border-radius: 999px;
  border: 1px solid var(--muted);
  padding: 0.4rem 1rem;
  background: transparent;
  color: var(--fg);
  font-weight: 600;
}

.chip[data-active='true'] {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: transparent;
}

.definition {
  display: grid;
  gap: 0.36rem;
  max-width: min(660px, 100%);
  margin: 0 auto clamp(0.95rem, 2.4vw, 1.25rem);
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 1.15rem 1.35rem;
}

.definition h2 {
  margin: 0;
}

.definition p {
  margin: 0;
}

.definition + .message {
  margin-top: -0.1rem;
}

.message {
  min-height: 0.65rem;
  font-weight: 600;
  text-align: center;
  color: var(--accent);
  margin: 0;
}

.message[data-tone='error'] {
  color: var(--danger);
}

.message[data-tone='success'] {
  color: var(--success);
}

#key-capture {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
}

.grid {
  display: grid;
  gap: var(--gap);
  justify-content: center;
  margin-top: 0;
}

.grid__row {
  display: grid;
  gap: var(--gap);
  justify-content: center;
  grid-template-columns: repeat(var(--cols, 5), var(--tile));
}

.grid__row.active .t {
  border-color: var(--accent);
}

.t {
  width: var(--tile);
  height: var(--tile);
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 2px solid var(--t-border);
  background: var(--t-base);
  color: var(--fg);
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.t--correct {
  background: var(--t-correct);
  border-color: var(--t-correct);
  color: #052912;
}

.t--present {
  background: var(--t-present);
  border-color: var(--t-present);
  color: #241a04;
}

.t--absent {
  background: var(--t-absent);
  border-color: var(--t-absent);
}

.keyboard {
  display: grid;
  gap: 0.45rem;
  justify-content: center;
  max-width: 520px;
  margin: 0 auto;
}

.keyboard__row {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
}

.keyboard__row:nth-child(2) {
  padding-inline: 1rem;
}

.keyboard__row:nth-child(3) {
  gap: 0.55rem;
}

.key {
  border: 1.5px solid var(--key-border);
  border-radius: 10px;
  padding: 0.65rem 0.45rem;
  min-width: 2.6rem;
  min-height: 44px;
  background: var(--surface);
  color: var(--fg);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: background 140ms ease, color 140ms ease;
}

.key--wide {
  flex: 1.6 0 auto;
  min-width: 3.5rem;
}

.key[data-state='absent'] {
  background: var(--t-absent);
}

.key[data-state='present'] {
  background: var(--t-present);
  color: #23160a;
}

.key[data-state='correct'] {
  background: var(--t-correct);
  color: #052912;
}

.scoreboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.score {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 0.9rem 1rem;
  display: grid;
  gap: 0.25rem;
  text-align: center;
}

.score__label {
  color: var(--muted);
  font-size: 0.85rem;
}

.score__value {
  font-size: 1.4rem;
  font-weight: 700;
}

.footer {
  display: grid;
  gap: 0.5rem;
  text-align: center;
  color: var(--muted);
  font-size: clamp(0.85rem, 2.4vw, 0.95rem);
  padding: 1rem 0;
}

.footer__instructions {
  font-size: clamp(0.8rem, 2vw, 0.9rem);
}

.footer__attribution {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  font-size: clamp(0.75rem, 1.8vw, 0.85rem);
}

.footer__link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 160ms ease;
}

.footer__link:hover {
  color: var(--success);
}

.footer__link:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.modal {
  position: fixed;
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  width: min(520px, 92vw);
  max-height: 90vh;
  padding: 0;
  z-index: 4500;
  box-shadow: 0 24px 60px rgba(0, 17, 8, 0.4);
  display: none;
}

/* Base modal positioning - overridden by specific modal types */
.modal {
  position: fixed;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
}

dialog[open].modal {
  display: block;
}

.modal.modal--result.is-open {
  background: none !important;
  border: none !important;
}

.modal.modal--result:not(.is-open) {
  display: none !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* Prevent body scroll when modal is active */
html.modal-active,
body.modal-active {
  overflow: hidden !important;
  position: static !important;
  margin: 0 !important;
  padding: 0 !important;
  width: 100% !important;
  min-height: 100% !important;
  box-sizing: border-box !important;
}

.modal.modal--result {
  background: transparent;
  border: none;
  box-shadow: none;
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999999;
  transform: translateZ(0); /* Force new stacking context */
}

.modal.modal--result .modal__surface {
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  width: min(520px, 92vw);
  max-width: min(520px, 92vw);
  max-height: min(600px, 90vh);
  box-shadow: 0 24px 60px rgba(0, 17, 8, 0.4);
  position: relative;
  z-index: 1000000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  margin: 0 auto;
  box-sizing: border-box;
}

.modal.modal--result::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(0, 12, 8, 0.75);
  opacity: 0;
  transition: opacity 160ms ease;
  z-index: 999998;
  pointer-events: none;
  width: 100vw !important;
  height: 100vh !important;
  box-sizing: border-box !important;
}

.modal.modal--result.is-open::before {
  opacity: 1;
  pointer-events: auto;
}

.modal.modal--result:not(.is-open)::before {
  opacity: 0 !important;
  pointer-events: none !important;
}

.modal.is-open {
  display: block;
}

.modal__surface {
  width: 100%;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.2rem 1.5rem 0.5rem;
}

.modal__body {
  padding: 0 1.5rem 1.5rem;
  display: grid;
  gap: 0.75rem;
  overflow: hidden;
}

.modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: auto;
  flex-shrink: 0;
}

.modal__status {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
  display: none;
}

.modal__status[data-tone='success'] {
  color: var(--success);
}

.modal__status[data-tone='error'] {
  color: var(--danger);
}

/* Definition text truncation for mobile */
.modal__body #result-definition {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
  max-height: 4.2em; /* 3 lines * 1.4 line-height */
}

.result__streak {
  font-weight: 600;
  margin: 0;
  display: none;
  color: var(--accent);
}

.modal__fallback {
  margin-top: 1rem;
  display: grid;
  gap: 0.6rem;
  background: rgba(0, 0, 0, 0.08);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  padding: 0.75rem;
}

.modal__fallback[hidden] {
  display: none;
}

.modal__fallback-label {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.modal__fallback textarea {
  width: 100%;
  min-height: 120px;
  resize: vertical;
  font-family: monospace;
  font-size: 0.85rem;
  padding: 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--surface-border);
  background: var(--surface);
  color: var(--fg);
}

.modal__fallback textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.modal__fallback-actions {
  display: flex;
  justify-content: flex-end;
}

.modal ul {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.5rem;
}

.modal::backdrop {
  background: rgba(0, 12, 8, 0.75);
}

@media (max-width: 640px) {
  .controls {
    grid-template-columns: 1fr;
  }

  .mode-toggle {
    justify-content: flex-start;
  }

  .actions {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  :root {
    --tile: clamp(2.5rem, 8vw, 3.5rem);
    --gap: clamp(0.25rem, 1.5vw, 0.4rem);
    --pad: clamp(0.75rem, 3vw, 1.5rem);
  }

  /* Adjust modal for mobile */
  .modal.modal--result .modal__surface {
    max-height: 85vh;
    padding-bottom: 1rem;
  }

  .modal__body {
    padding: 0 1rem 1rem;
    gap: 0.6rem;
  }

  .modal__header {
    padding: 1rem 1rem 0.5rem;
  }

  /* More aggressive truncation on very small screens */
  .modal__body #result-definition {
    -webkit-line-clamp: 2;
    max-height: 2.8em; /* 2 lines * 1.4 line-height */
  }

  .keyboard {
    max-width: 100%;
    padding: 0 0.5rem;
  }

  .key {
    min-width: 2rem;
    min-height: 40px;
    font-size: 0.9rem;
  }

  .key--wide {
    min-width: 2.5rem;
  }

  #key-capture {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 44px;
    opacity: 1;
    pointer-events: auto;
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: 0;
    font-size: 16px;
    padding: 0 1rem;
    z-index: 1000;
    transition: border-color 0.2s ease;
  }

  #key-capture:focus {
    border-color: var(--accent);
    outline: none;
  }

  .app {
    padding-bottom: calc(var(--pad) + 44px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


#confetti {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  width: 100vw;
  height: 100vh;
  z-index: 4000;
  opacity: 0;
  transition: opacity 120ms ease;
}

#confetti[data-active='true'] {
  opacity: 1;
}

.confetti-piece {
  position: absolute;
  top: -12vh;
  width: 12px;
  height: 18px;
  border-radius: 2px;
  opacity: 0;
  animation: confetti-fall var(--dur, 1.4s) linear var(--delay, 0s) forwards;
}

@keyframes confetti-fall {
  0% {
    transform: translate3d(0, -10vh, 0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translate3d(var(--dx, 0), 110vh, 0) rotate(var(--rot, 360deg));
    opacity: 0;
  }
}