:root {
  --color-correct: #3fdc8c;
  --color-present: #e6b422;
  --color-absent: #2f2f33;

  --color-accent: #6b4fa1;
  --color-border: #4a3d5c;
  --color-bg: #141018;
  --color-text: #ffffff;

  --color-key-bg: #7a7a7d;
  --color-key-text: #ffffff;

  --color-toggle-bg: #2a2a2b;
  --color-toggle-text: #9a9a9a;
  --color-toggle-active-bg: #6b4fa1;
  --color-toggle-active-text: #ffffff;
}

[data-theme="light"] {
  --color-bg: #ffffff;
  --color-text: #1a1a1b;

  --color-correct: #1fbf75;
  --color-present: #e0b200;
  --color-absent: #6e7177;

  --color-border: #b8bcc4;
  --color-key-bg: #d9dbe1;
  --color-key-text: #1a1a1b;

  --color-toggle-bg: #ececf0;
  --color-toggle-text: #555;
  --color-toggle-active-bg: #1a1a1b;
  --color-toggle-active-text: #ffffff;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

html,
body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  padding-bottom: env(safe-area-inset-bottom);
}

.game {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 500px;
  margin: 0 auto;
  padding: 0 16px;
}

.header {
  padding: 8px 0 8px;
  text-align: center;
  width: 100%;
}

.title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.nav-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transform: scale(0.92);
  opacity: 0.9;
}

.control-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.control-label {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #777;
}

.control-hint {
  font-size: 0.65rem;
  color: #555;
  margin-top: -4px;
}

.toggle-group {
  display: flex;
  gap: 4px;
  background: var(--color-toggle-bg);
  border-radius: 12px;
  padding: 4px;
}

.toggle-btn {
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  padding: 12px 20px;
  min-height: 42px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--color-toggle-text);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
}

.toggle-btn:hover {
  opacity: 0.8;
}

.toggle-btn.active {
  background: var(--color-toggle-active-bg);
  color: var(--color-toggle-active-text);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.play-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 0;
  overflow: hidden;
  padding-bottom: 6px;
}

.grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  max-width: 350px;
}

.grid-row {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.grid-cell {
  flex: 1;
  aspect-ratio: 1 / 1;
  max-width: 56px;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(18px, 6vw, 32px);
  font-weight: 700;
  text-transform: uppercase;
}

.grid-cell[data-state="correct"],
.grid-cell[data-state="present"],
.grid-cell[data-state="absent"] {
  color: #ffffff;
  font-weight: 600;
}

.grid-cell[data-state="correct"] {
  background: var(--color-correct);
  border-color: var(--color-correct);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.25);
}

.grid-cell[data-state="present"] {
  background: var(--color-present);
  border: 2px solid rgba(0, 0, 0, 0.15);
}

.grid-cell[data-state="absent"] {
  background: var(--color-absent);
  border: 2px solid rgba(0, 0, 0, 0.25);
}

.grid-row.shake {
  animation: shake 0.5s ease-in-out;
}

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

.grid-cell.reveal {
  animation: pulse-reveal 0.4s ease-out;
}

@keyframes pulse-reveal {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.12);
  }
  100% {
    transform: scale(1);
  }
}

.keyboard {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 100%;
  max-width: 500px;
  margin: 0 auto 12px;
  padding-bottom: env(safe-area-inset-bottom);
}

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

.key {
  font-family: inherit;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  background: var(--color-key-bg);
  color: var(--color-text);
  border: none;
  border-radius: 4px;
  padding: 0;
  height: 58px;
  min-width: 32px;
  flex: 1;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.key:active {
  opacity: 0.8;
}

.key-wide {
  flex: 1.5;
  font-size: 11px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 4px;
}

.header-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
  position: relative;
}

.header-streak {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fb923c;
  padding: 2px 2px;
  border-radius: 6px;
  letter-spacing: 0.01em;
}

[data-theme="light"] .header-streak {
  color: #c2410c;
}

.header-streak svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.icon-btn {
  background: none;
  border: none;
  border-radius: 10px;
  width: 40px;
  height: 40px;
  font-size: 15px;
  cursor: pointer;
  transition: opacity 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

[data-theme="light"] .icon-btn {
  color: #4a465f;
}

.icon-btn:hover,
.icon-btn:active {
  opacity: 0.55;
}

.icon-btn.pulse {
  animation: pulse 2s ease-in-out infinite;
}

.icon-btn.hint-seen {
  opacity: 0.35;
}

.icon-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#header-streak        { color: #fb923c; width: auto; padding: 4px 6px; }
#header-streak svg    { color: #fb923c; }
[data-theme="light"] #header-streak     { color: #c2410c; }
[data-theme="light"] #header-streak svg { color: #c2410c; }

#about-btn svg { color: #3b82f6; }
#help-btn svg  { color: #8b5cf6; }
#hint-btn svg  { color: #fbbf24; }
[data-theme="light"] #hint-btn svg { color: #b45309; }

svg.icon-moon { color: #fbbf24; }
svg.icon-sun  { color: #ea580c; }

.modal-close svg { color: #ef4444; }

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(63, 220, 140, 0.6);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(63, 220, 140, 0);
  }
}

.key[data-state="correct"] {
  background: var(--color-correct);
  color: #fff;
}

.key[data-state="present"] {
  background: var(--color-present);
  color: #fff;
}

.key[data-state="absent"] {
  background: var(--color-absent);
  color: #fff;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}

.modal {
  background: var(--color-bg);
  color: var(--color-text);
  border-radius: 18px;
  padding: 16px 20px;
  max-width: 400px;
  max-height: min(85svh, 720px);
  overflow: hidden;
  width: 100%;
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
}

.modal-body {
  overflow-y: auto;
  flex: 1;
  padding-right: 4px;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--color-bg);
  border: none;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  flex-shrink: 0;
  opacity: 0.5;
  z-index: 2;
  border-radius: 6px;
}

.modal-close:hover {
  opacity: 1;
}

.modal-close svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.modal-btn svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.streak-line svg,
.avg-guesses-line svg,
.countdown-line svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

.streak-line svg {
  color: #fb923c;
}

[data-theme="light"] .streak-line svg {
  color: #c2410c;
}

.avg-guesses-line svg {
  color: #a78bfa;
}

[data-theme="light"] .avg-guesses-line svg {
  color: #5b21b6;
}

.countdown-line svg {
  color: #7dd3fc;
}

[data-theme="light"] .countdown-line svg {
  color: #0369a1;
}

.modal h2 {
  font-size: 28px;
  margin-bottom: 8px;
  color: var(--color-text);
}


.modal-prompt {
  font-size: 18px;
  color: var(--color-text) !important;
  margin-top: 24px;
}

.streak-line {
  margin-top: 16px;
  margin-bottom: 2px;
  font-size: 0.85rem;
  color: var(--color-toggle-text);
  opacity: 0.85;
}

.streak-best {
  font-style: italic;
  color: var(--color-text);
  opacity: 0.7;
}

.avg-guesses-line {
  margin-top: 6px;
  margin-bottom: 2px;
  font-size: 0.85rem;
  color: var(--color-toggle-text);
  opacity: 0.85;
}

.stats-grid {
  display: flex;
  gap: 8px;
  margin: 16px 0 4px;
  justify-content: center;
}

.stats-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.stats-value {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 3px;
}

.stats-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-toggle-text);
  opacity: 0.8;
}

.modal-support-nudge {
  font-size: 0.75rem;
  color: var(--color-toggle-text);
  opacity: 0.65;
  margin-top: 16px;
}

.modal-support-nudge a {
  color: var(--color-accent);
  text-decoration: none;
}

.modal-support-nudge a:hover {
  text-decoration: underline;
}

.modal-next-word {
  margin-top: 14px;
  text-align: center;
}

.countdown-line {
  font-size: 14px;
  color: var(--color-toggle-text);
  margin: 0;
}

.countdown-value {
  font-variant-numeric: tabular-nums;
}

.return-prompt {
  font-size: 12px;
  color: var(--color-toggle-text);
  opacity: 0.6;
  margin: 6px 0 0;
}

.todays-word-label {
  font-size: 0.85rem;
  color: var(--color-toggle-text);
  margin-bottom: 8px;
}

.result-word {
  margin-top: 8px;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-correct);
}

.result-word--win {
  font-size: 2.2rem;
  animation: celebrate 0.6s ease-out;
}

@keyframes celebrate {
  0% {
    transform: scale(0.8);
    opacity: 0;
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.result-subtitle {
  color: var(--color-toggle-text);
  font-size: 0.85rem;
}

.hint-definition {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 16px;
}

.result-definition {
  margin-top: 12px;
  font-size: 0.95rem;
  color: var(--color-toggle-text);
  text-align: center;
  line-height: 1.4;
}

.result-definition .part-of-speech {
  display: block;
  margin-bottom: 4px;
}

.part-of-speech {
  font-style: italic;
}

.modal-buttons {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.modal-btn {
  flex: 1;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 700;
  border: none;
  border-radius: 4px;
  background: var(--color-key-bg);
  color: var(--color-text);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s, filter 0.15s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.modal-btn:hover {
  filter: brightness(1.12);
}

.modal-btn:active {
  filter: brightness(0.9);
}

.modal-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-text);
  filter: none;
}

.modal-btn.secondary:active {
  background: rgba(255, 255, 255, 0.04);
  filter: none;
}

[data-theme="light"] .modal-btn.secondary:hover {
  background: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .modal-btn.secondary:active {
  background: rgba(0, 0, 0, 0.03);
}

.demo-rows {
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
  align-items: center;
}

.demo-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 280px;
}

.demo-tiles {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.demo-tile {
  width: 36px;
  height: 36px;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text);
}

.demo-label {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.4;
  margin: 0;
}

.demo-label strong {
  font-weight: 700;
  color: var(--color-text);
}

@keyframes flip-to-correct {
  0%   { transform: perspective(300px) rotateX(0deg);   background: transparent;          border-color: var(--color-border);   color: var(--color-text); }
  45%  { transform: perspective(300px) rotateX(90deg);  background: transparent;          border-color: var(--color-border);   color: var(--color-text); }
  55%  { transform: perspective(300px) rotateX(90deg);  background: var(--color-correct); border-color: var(--color-correct);  color: #fff; }
  100% { transform: perspective(300px) rotateX(0deg);   background: var(--color-correct); border-color: var(--color-correct);  color: #fff; }
}

@keyframes flip-to-present {
  0%   { transform: perspective(300px) rotateX(0deg);   background: transparent;          border-color: var(--color-border);   color: var(--color-text); }
  45%  { transform: perspective(300px) rotateX(90deg);  background: transparent;          border-color: var(--color-border);   color: var(--color-text); }
  55%  { transform: perspective(300px) rotateX(90deg);  background: var(--color-present); border-color: var(--color-present);  color: #fff; }
  100% { transform: perspective(300px) rotateX(0deg);   background: var(--color-present); border-color: var(--color-present);  color: #fff; }
}

@keyframes flip-to-absent {
  0%   { transform: perspective(300px) rotateX(0deg);   background: transparent;         border-color: var(--color-border);  color: var(--color-text); }
  45%  { transform: perspective(300px) rotateX(90deg);  background: transparent;         border-color: var(--color-border);  color: var(--color-text); }
  55%  { transform: perspective(300px) rotateX(90deg);  background: var(--color-absent); border-color: var(--color-absent);  color: #fff; }
  100% { transform: perspective(300px) rotateX(0deg);   background: var(--color-absent); border-color: var(--color-absent);  color: #fff; }
}

.flip-correct { animation: flip-to-correct 0.5s ease-in-out 0.4s both; }
.flip-present { animation: flip-to-present 0.5s ease-in-out 1.0s both; }
.flip-absent  { animation: flip-to-absent  0.5s ease-in-out 1.6s both; }

.modal-btn.primary {
  background: var(--color-accent);
  color: #ffffff;
}

.modal-btn.share {
  background: var(--color-correct);
  color: #ffffff;
}

.modal-btn.secondary {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.about-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 16px 0;
}

.about-section {
  text-align: left;
  margin-bottom: 4px;
}

.about-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.about-section p {
  font-size: 14px;
  margin-bottom: 0;
}

.about-list {
  list-style: none;
  padding: 0;
  text-align: left;
  font-size: 14px;
  color: var(--color-toggle-text);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.about-list li::before {
  content: "•";
  margin-right: 8px;
  color: var(--color-accent);
}

.about-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.about-buttons .modal-btn {
  flex-direction: column;
}

.btn-main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

[data-action="support"] svg {
  fill: currentColor;
  color: #fda4af;
}

[data-action="contact"] svg {
  color: #60a5fa;
}

[data-theme="light"] [data-action="contact"] svg {
  color: #2563eb;
}

.about-btn-hint {
  display: block;
  font-size: 11px;
  font-weight: 400;
  opacity: 0.7;
  margin-top: 2px;
}

.about-footer {
  font-size: 12px;
  color: var(--color-toggle-text);
  opacity: 0.6;
  margin-top: 10px;
  margin-bottom: 0;
}

.toast-container {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 200;
  pointer-events: none;
}

.toast {
  background: var(--color-text);
  color: var(--color-bg);
  padding: 12px 20px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 14px;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.2s, transform 0.2s;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 575.98px) {
  .key {
    height: 52px;
    font-size: 12px;
  }

  .toggle-btn {
    padding: 12px 16px;
  }
}

@media (max-width: 360px) {
  .stats-value {
    font-size: 1.4rem;
  }

  .stats-grid {
    gap: 6px;
  }

  .header-streak {
    font-size: 0.8rem;
  }

  .header-streak svg {
    width: 14px;
    height: 14px;
  }
}

@media (max-height: 700px) {
  .header {
    padding: 4px 0 4px;
  }

  .title {
    font-size: 24px;
  }

  .nav-controls {
    gap: 8px;
  }

  .toggle-btn {
    padding: 10px 16px;
    min-height: 42px;
  }

  .control-hint {
    display: none;
  }

  .grid {
    gap: 5px;
    max-width: 300px;
  }

  .grid-row {
    gap: 5px;
  }

  .key {
    height: 46px;
  }

  .key-wide {
    font-size: 10px;
  }

  .keyboard {
    margin-bottom: 8px;
  }

  .stats-grid {
    margin-top: 10px;
    margin-bottom: 2px;
  }

  .modal-support-nudge {
    margin-top: 10px;
  }
}

@media (max-height: 600px) {
  .header {
    padding: 2px 0 2px;
  }

  .title {
    font-size: 20px;
  }

  .nav-controls {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 5px;
    transform: scale(0.85);
  }

  .control-group {
    gap: 4px;
  }

  .control-label {
    display: none;
  }

  .toggle-btn {
    padding: 5px 10px;
    min-height: 32px;
    font-size: 12px;
  }

  .play-area {
    margin-bottom: 8px;
  }

  .grid {
    gap: 4px;
    max-width: 260px;
  }

  .grid-row {
    gap: 4px;
  }

  .key {
    height: 40px;
    font-size: 10px;
  }

  .key-wide {
    font-size: 9px;
  }

  .keyboard {
    gap: 4px;
    margin-bottom: 4px;
  }

  .keyboard-row {
    gap: 4px;
  }

  .stats-grid {
    margin-top: 6px;
    margin-bottom: 0;
  }

  .stats-value {
    font-size: 1.4rem;
  }

  .modal-support-nudge {
    margin-top: 8px;
  }
}

@media (min-width: 768px) {
  .game {
    max-width: 600px;
    min-height: auto;
    height: auto;
    padding-top: 20px;
    padding-bottom: 20px;
  }

  .play-area {
    flex: none;
    margin-bottom: 8px;
  }

  .grid {
    gap: 8px;
    max-width: 380px;
  }

  .grid-row {
    gap: 8px;
  }

  .key {
    height: 62px;
    font-size: 15px;
  }

  .keyboard {
    max-width: 550px;
    gap: 8px;
  }

  .keyboard-row {
    gap: 8px;
  }

  .key-wide {
    font-size: 13px;
  }
}

@media (min-width: 992px) {
  .game {
    max-width: 700px;
  }

  .grid {
    max-width: 420px;
  }

  .key {
    height: 68px;
    font-size: 16px;
  }

  .keyboard {
    max-width: 600px;
  }

  .key-wide {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .grid-row.shake {
    animation: none;
  }

  .toast {
    transition: none;
  }

  .flip-correct { animation: none; background: var(--color-correct); border-color: var(--color-correct); color: #fff; }
  .flip-present { animation: none; background: var(--color-present); border-color: var(--color-present); color: #fff; }
  .flip-absent  { animation: none; background: var(--color-absent);  border-color: var(--color-absent);  color: #fff; }
}