:root {
  --bg-top: #edf4ff;
  --bg-bottom: #d7e6ff;
  --card: rgba(249, 252, 255, 0.96);
  --panel: rgba(255, 255, 255, 0.92);
  --panel-line: rgba(34, 56, 109, 0.12);
  --ink: #182344;
  --muted: #677494;
  --primary: #4a63f4;
  --primary-dark: #3148cf;
  --primary-soft: rgba(74, 99, 244, 0.12);
  --stick: #2e4bc8;
  --gallows: #2a3555;
  --rope: #9f8a65;
  --success: #2ea975;
  --danger: #ef4d5d;
  --shadow: 0 28px 64px rgba(31, 53, 109, 0.18);
  --easy: #31a56d;
  --medium: #f0a43a;
  --hard: #f06a3a;
  --complex: #2573d8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  min-width: 1080px;
  padding: 28px;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.92) 0, transparent 36%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  color: var(--ink);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  overflow-x: auto;
}

.app-shell {
  width: min(1180px, calc(100vw - 56px), calc((100vh - 104px) * 16 / 9));
}

.game-card {
  aspect-ratio: 16 / 9;
  display: flex;
  background: linear-gradient(180deg, rgba(252, 253, 255, 0.98), var(--card));
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 30px;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.game-card::before {
  content: "";
  position: absolute;
  inset: -16% auto auto -10%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(97, 195, 255, 0.14);
  filter: blur(14px);
  z-index: -1;
}

.game-card::after {
  content: "";
  position: absolute;
  inset: auto -8% -16% auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(74, 99, 244, 0.1);
  filter: blur(14px);
  z-index: -1;
}

.game-layout {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(340px, 0.78fr) minmax(520px, 1.22fr);
}

.scene-panel {
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(250, 252, 255, 0.98), rgba(231, 240, 255, 0.92)),
    #eff5ff;
  border-right: 1px solid var(--panel-line);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stage-card {
  width: min(100%, 452px);
  aspect-ratio: 1 / 1;
  max-height: 100%;
  border-radius: 26px;
  border: 1px solid rgba(34, 56, 109, 0.08);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.94) 0, transparent 52%),
    linear-gradient(180deg, #ffffff 0%, #edf4ff 72%, #d8e7ff 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    0 18px 32px rgba(50, 76, 146, 0.1);
  padding: clamp(16px, 2.4vw, 28px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hangman-scene {
  width: 100%;
  height: 100%;
}

.gallows-line {
  fill: none;
  stroke: var(--gallows);
  stroke-width: 8;
  stroke-linecap: round;
}

.rope-line {
  fill: none;
  stroke: var(--rope);
  stroke-width: 4;
  stroke-linecap: round;
}

.hangman-stick {
  fill: none;
  stroke: var(--stick);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 180ms ease;
}

.hangman-part {
  opacity: 0;
  transition: opacity 180ms ease;
}

.hangman-part.visible {
  opacity: 1;
}

.stage-card.is-lost .hangman-stick {
  stroke: var(--danger);
}

.info-panel {
  padding: 20px 22px;
  display: grid;
  grid-template-rows: auto minmax(292px, auto) minmax(0, 1fr);
  gap: 16px;
  background: linear-gradient(180deg, rgba(250, 252, 255, 0.84), rgba(240, 246, 255, 0.98));
  min-width: 0;
}

.top-bar {
  display: grid;
  gap: 12px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 20px;
  padding: 12px 14px;
  box-shadow: 0 12px 20px rgba(38, 60, 135, 0.06);
}

.stat-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 800;
}

.stat-value {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 800;
}

.difficulty-chip[data-tier="easy"] {
  background: rgba(49, 165, 109, 0.12);
  color: var(--easy);
}

.difficulty-chip[data-tier="medium"] {
  background: rgba(240, 164, 58, 0.14);
  color: #cb7a05;
}

.difficulty-chip[data-tier="hard"] {
  background: rgba(240, 106, 58, 0.14);
  color: var(--hard);
}

.difficulty-chip[data-tier="complex"] {
  background: rgba(37, 115, 216, 0.14);
  color: var(--complex);
}

.progress-rail {
  height: 10px;
  border-radius: 999px;
  background: rgba(40, 62, 129, 0.08);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 1%;
  border-radius: inherit;
  background: linear-gradient(90deg, #73d3ff, #4d63f3);
  transition: width 180ms ease;
}

.word-card,
.keyboard-panel {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 24px;
  box-shadow: 0 16px 24px rgba(38, 60, 135, 0.06);
  min-width: 0;
}

.word-card {
  padding: 18px 20px;
  display: grid;
  grid-template-rows: auto auto minmax(92px, auto) auto auto;
  gap: 14px;
  align-content: start;
}

.status-message {
  margin: 0;
  min-height: 2.2em;
  font-size: 0.94rem;
  color: var(--muted);
  line-height: 1.55;
}

.word-display {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  gap: 10px;
  min-height: 82px;
}

.letter-slot {
  width: clamp(46px, 4.2vw, 58px);
  height: clamp(58px, 5.2vw, 70px);
  display: grid;
  place-items: center;
  border-radius: 18px;
  border: 2px solid rgba(77, 99, 243, 0.16);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(236, 242, 255, 0.92));
  box-shadow:
    inset 0 -6px 0 rgba(77, 99, 243, 0.08),
    0 12px 18px rgba(38, 60, 135, 0.05);
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--ink);
}

.letter-slot.empty {
  color: rgba(31, 42, 76, 0.48);
}

.hint-panel {
  min-height: 92px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(115, 211, 255, 0.12);
  border: 1px solid rgba(77, 99, 243, 0.14);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  opacity: 1;
  visibility: visible;
  transition: opacity 140ms ease;
}

.hint-panel.hidden {
  opacity: 0;
  visibility: hidden;
}

.hidden {
  display: none;
}

.hint-label {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 800;
}

.hint-text {
  margin: 0;
  color: var(--ink);
  line-height: 1.5;
  font-weight: 600;
}

.guess-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.98rem;
}

.guess-row strong {
  color: var(--ink);
  font-size: 1.02rem;
}

.guess-count {
  color: var(--danger);
}

.controls {
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.action-button {
  border: none;
  border-radius: 999px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 14px 24px rgba(48, 70, 201, 0.24);
  transition: transform 140ms ease, box-shadow 140ms ease, filter 140ms ease;
}

.action-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 26px rgba(48, 70, 201, 0.28);
  filter: saturate(1.06);
}

.action-button:active {
  transform: translateY(0);
}

.keyboard-panel {
  padding: 16px 18px 18px;
  display: flex;
  align-items: stretch;
  overflow: hidden;
}

.keyboard {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  grid-auto-rows: minmax(42px, 1fr);
  gap: 8px;
  width: 100%;
  align-content: start;
}

.key {
  min-height: 42px;
  border: 1px solid rgba(77, 99, 243, 0.16);
  border-radius: 12px;
  background: linear-gradient(180deg, #7486ff, #556af3);
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.24),
    0 10px 16px rgba(48, 70, 201, 0.18);
  transition: transform 120ms ease, filter 120ms ease, opacity 120ms ease;
}

.key:hover:not(:disabled) {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

.key:disabled {
  cursor: default;
}

.key.correct {
  background: linear-gradient(180deg, #39c484, #2ea975);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 10px 16px rgba(46, 169, 117, 0.18);
}

.key.wrong {
  background: linear-gradient(180deg, #ff8091, #f2556d);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 10px 16px rgba(242, 85, 109, 0.18);
}

.key.prefilled {
  background: linear-gradient(180deg, #9ea9dd, #8390c8);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 10px 16px rgba(93, 105, 155, 0.16);
}

@media (max-width: 1240px), (max-height: 860px) {
  .app-shell {
    width: min(1100px, calc(100vw - 48px), calc((100vh - 88px) * 16 / 9));
  }

  .scene-panel,
  .info-panel {
    padding: 16px;
  }

  .stage-card {
    width: min(100%, 424px);
    padding: 14px;
  }

  .word-card {
    padding: 18px;
  }

  .game-layout {
    grid-template-columns: minmax(310px, 0.75fr) minmax(470px, 1.25fr);
  }

  .letter-slot {
    width: clamp(42px, 3.8vw, 54px);
    height: clamp(54px, 4.8vw, 66px);
    font-size: clamp(1.15rem, 1.7vw, 1.5rem);
  }

  .key {
    min-height: 40px;
  }
}