:root {
  color-scheme: light;
  --bg: #f4efe3;
  --bg-deep: #ded0b5;
  --ink: #211c16;
  --muted: #6b604f;
  --card: rgba(255, 251, 241, 0.88);
  --card-strong: #fff7e5;
  --line: rgba(76, 55, 31, 0.18);
  --accent: #3f7d58;
  --accent-strong: #24513a;
  --sun: #f2b84b;
  --sky: #79a9c5;
  --danger: #b94b44;
  --shadow: 0 22px 60px rgba(57, 39, 14, 0.16);
  --radius: 24px;
  font-family: "Avenir Next", "Trebuchet MS", Verdana, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 10%, rgba(242, 184, 75, 0.42), transparent 28rem),
    radial-gradient(circle at 95% 0%, rgba(121, 169, 197, 0.35), transparent 24rem),
    linear-gradient(135deg, var(--bg), #e9dcc4);
}

body.night {
  color-scheme: dark;
  --bg: #151b18;
  --bg-deep: #0b0f0d;
  --ink: #f7edd8;
  --muted: #c7bda9;
  --card: rgba(29, 39, 33, 0.9);
  --card-strong: #233328;
  --line: rgba(242, 237, 220, 0.16);
  --accent: #8bbf8b;
  --accent-strong: #d6edbd;
  --sun: #d49a38;
  --sky: #91c7df;
  --danger: #ff9b8f;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
  background:
    radial-gradient(circle at 15% 0%, rgba(63, 125, 88, 0.26), transparent 28rem),
    radial-gradient(circle at 85% 10%, rgba(121, 169, 197, 0.16), transparent 22rem),
    linear-gradient(135deg, var(--bg), var(--bg-deep));
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
select,
input,
textarea {
  border: 1px solid var(--line);
  border-radius: 14px;
}

button {
  cursor: pointer;
  min-height: 44px;
  padding: 0.72rem 1rem;
  color: var(--ink);
  background: var(--card-strong);
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(37, 28, 12, 0.12);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.72rem 0.8rem;
  color: var(--ink);
  font-size: 16px;
  background: rgba(255, 255, 255, 0.5);
}

body.night input,
body.night select,
body.night textarea {
  background: rgba(255, 255, 255, 0.08);
}

textarea {
  resize: vertical;
}

code {
  padding: 0.1rem 0.35rem;
  border-radius: 0.45rem;
  background: rgba(63, 125, 88, 0.14);
}

.page-shell {
  width: min(1480px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: end;
  margin-bottom: 1.5rem;
}

.eyebrow,
.tiny-label {
  margin: 0 0 0.35rem;
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 0.95;
}

h1 {
  max-width: 11ch;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.3rem, 8vw, 7.5rem);
  letter-spacing: -0.08em;
}

h2 {
  font-size: 1.1rem;
}

.hero-copy {
  max-width: 48rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.25rem);
}

.hero-card,
.control-panel,
.board-panel,
.words-panel > section,
.admin-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-card {
  min-width: 13rem;
  padding: 1rem;
}

.stamp {
  display: inline-grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  margin-bottom: 1rem;
  border-radius: 999px;
  color: #1c392a;
  background: var(--sun);
  font-weight: 900;
}

.hero-card strong,
.hero-card span:last-child {
  display: block;
}

.hero-card span:last-child {
  margin-top: 0.25rem;
  color: var(--muted);
}

.game-layout {
  display: grid;
  grid-template-columns: 310px minmax(330px, 1fr) minmax(280px, 360px);
  gap: 1rem;
  align-items: start;
}

.game-layout.list-bottom {
  grid-template-columns: 320px 1fr;
}

.game-layout.list-bottom .words-panel {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.control-panel,
.board-panel,
.words-panel > section,
.admin-panel {
  padding: 1rem;
}

.panel-heading {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.control-grid {
  display: grid;
  gap: 0.8rem;
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.9rem;
}

.button-row button {
  flex: 1 1 auto;
}

.subtle-row button,
.ghost-button {
  color: var(--accent-strong);
  background: transparent;
}

.primary-button {
  border-color: transparent;
  color: #fff9e9;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

body.night .primary-button {
  color: #112016;
}

.options-box {
  margin-top: 1rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 18px;
}

.options-box summary {
  cursor: pointer;
  font-weight: 900;
}

.check-line {
  display: flex;
  grid-template-columns: auto 1fr;
  gap: 0.55rem;
  align-items: center;
  margin-top: 0.65rem;
  color: var(--ink);
  font-weight: 600;
}

.check-line input {
  width: auto;
}

.note {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.board-panel {
  min-height: 620px;
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.status-strip span {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  font-weight: 800;
}

.status-strip.hidden {
  display: none;
}

.board-wrap {
  display: grid;
  place-items: center;
  min-height: 430px;
  padding: 1rem;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(63, 125, 88, 0.14), rgba(242, 184, 75, 0.16)),
    repeating-linear-gradient(45deg, transparent 0 14px, rgba(255, 255, 255, 0.13) 14px 15px);
}

.board {
  display: grid;
  width: min(100%, 480px);
  aspect-ratio: 1;
  gap: clamp(0.4rem, 1.2vw, 0.8rem);
  touch-action: none;
  user-select: none;
}

.die {
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 22%;
  color: #2d2115;
  background:
    radial-gradient(circle at 25% 20%, rgba(255, 255, 255, 0.9), transparent 28%),
    linear-gradient(145deg, #fff7df, #e6c78e);
  box-shadow:
    inset 0 -0.25rem 0 rgba(86, 60, 20, 0.16),
    0 0.8rem 1.5rem rgba(66, 44, 12, 0.18);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.6rem, 7vw, 3.5rem);
  font-weight: 900;
}

.die.selected {
  color: #fff9e9;
  background: linear-gradient(145deg, var(--accent), var(--accent-strong));
}

.die.next {
  outline: 4px solid rgba(242, 184, 75, 0.75);
}

.die.dimmed {
  opacity: 0.45;
}

.entry-card {
  display: grid;
  grid-template-columns: minmax(8rem, 0.7fr) 1.3fr;
  gap: 1rem;
  align-items: end;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.24);
}

#currentTrace {
  display: block;
  min-height: 2rem;
  overflow-wrap: anywhere;
  font-size: 1.6rem;
}

#wordForm {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem;
}

.message {
  min-height: 2.8rem;
  margin-top: 0.8rem;
  padding: 0.85rem 1rem;
  border-radius: 16px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.22);
}

.message.ok {
  color: var(--accent-strong);
}

.message.error {
  color: var(--danger);
}

.message.error-blue {
  color: #216c96;
}

.stats-card dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 0;
}

.stats-card dl div {
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 16px;
}

dt {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

dd {
  margin: 0.25rem 0 0;
  font-size: 1.45rem;
  font-weight: 900;
}

progress {
  width: 100%;
  height: 0.9rem;
  margin-top: 1rem;
  overflow: hidden;
  border: 0;
  border-radius: 999px;
  background: var(--bg-deep);
}

progress::-webkit-progress-bar {
  background: var(--bg-deep);
}

progress::-webkit-progress-value {
  background: linear-gradient(90deg, var(--accent), var(--sun));
}

.found-list,
.solution-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(7rem, 1fr));
  gap: 0.45rem;
  max-height: 380px;
  margin: 0;
  padding: 0;
  overflow: auto;
  list-style: none;
}

.found-list li,
.solution-list li {
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.23);
  font-weight: 800;
}

.solution-list li.missed {
  color: var(--muted);
}

.solution-box {
  margin-top: 1rem;
}

.solution-box summary {
  cursor: pointer;
  color: var(--accent-strong);
  font-weight: 900;
}

.admin-panel {
  margin-top: 1rem;
}

.admin-login form,
.admin-tools form {
  display: grid;
  gap: 1rem;
}

.mobile-action-bar {
  display: none;
}

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

@media (max-width: 1080px) {
  .game-layout,
  .game-layout.list-bottom {
    grid-template-columns: 1fr;
  }

  .game-layout.list-bottom .words-panel,
  .words-panel {
    grid-column: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }
}

@media (max-width: 720px) {
  :root {
    --radius: 20px;
  }

  body {
    background-attachment: fixed;
  }

  .page-shell {
    width: min(100% - 1rem, 1480px);
    padding: 0.75rem 0 calc(5.5rem + env(safe-area-inset-bottom));
  }

  .hero,
  .entry-card,
  #wordForm,
  .words-panel,
  .game-layout.list-bottom .words-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 0.75rem;
    margin-bottom: 0.75rem;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2.4rem, 14vw, 4.4rem);
    letter-spacing: -0.07em;
  }

  .hero-copy {
    margin: 0.7rem 0 0;
    font-size: 0.98rem;
  }

  .hero-card {
    width: 100%;
    padding: 0.75rem;
  }

  .stamp {
    width: 2.35rem;
    height: 2.35rem;
    margin-bottom: 0.55rem;
  }

  .game-layout,
  .game-layout.list-bottom {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .board-panel {
    order: 1;
    width: 100%;
    padding: 0.75rem;
  }

  .control-panel {
    order: 2;
    width: 100%;
  }

  .words-panel {
    order: 3;
    width: 100%;
  }

  .board-panel {
    min-height: auto;
  }

  .status-strip {
    justify-content: stretch;
    gap: 0.4rem;
  }

  .status-strip span {
    flex: 1 1 30%;
    padding: 0.45rem 0.55rem;
    text-align: center;
    font-size: 0.85rem;
  }

  .board-wrap {
    min-height: auto;
    padding: 0.55rem;
    border-radius: 22px;
  }

  .board {
    width: min(100%, calc(100vw - 2.1rem));
    max-width: 430px;
    gap: clamp(0.28rem, 1.4vw, 0.5rem);
  }

  .die {
    box-shadow:
      inset 0 -0.18rem 0 rgba(86, 60, 20, 0.16),
      0 0.45rem 0.9rem rgba(66, 44, 12, 0.14);
    font-size: clamp(1.45rem, 11vw, 3rem);
  }

  .board[data-size="5"] .die {
    font-size: clamp(1rem, 7.5vw, 2rem);
  }

  .entry-card {
    gap: 0.65rem;
    margin-top: 0.75rem;
    padding: 0.75rem;
  }

  #currentTrace {
    min-height: 1.5rem;
    font-size: 1.25rem;
  }

  .message {
    min-height: auto;
    padding: 0.7rem 0.8rem;
    font-size: 0.92rem;
  }

  .control-panel,
  .words-panel > section,
  .admin-panel {
    padding: 0.85rem;
  }

  .control-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
  }

  .options-box {
    padding: 0.75rem;
  }

  .found-list,
  .solution-list {
    grid-template-columns: repeat(auto-fill, minmax(6rem, 1fr));
    max-height: 260px;
  }

  .stats-card dl {
    gap: 0.5rem;
  }

  .stats-card dl div {
    padding: 0.6rem;
  }

  dd {
    font-size: 1.15rem;
  }

  .mobile-action-bar {
    position: sticky;
    bottom: 0.5rem;
    z-index: 20;
    display: grid;
    grid-template-columns: 1.1fr 1fr 1fr;
    gap: 0.45rem;
    margin-top: 0.75rem;
    padding: 0.55rem;
    padding-bottom: calc(0.55rem + env(safe-area-inset-bottom));
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--card);
    background: color-mix(in srgb, var(--card) 92%, transparent);
    box-shadow: 0 18px 46px rgba(37, 28, 12, 0.2);
    backdrop-filter: blur(18px);
  }

  .mobile-action-bar button {
    padding-inline: 0.55rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 420px) {
  .control-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    display: none;
  }
}

@media (hover: none) {
  button:hover {
    transform: none;
    box-shadow: none;
  }
}

@media print {
  body {
    background: white;
  }

  .control-panel,
  .admin-panel,
  .button-row,
  .options-box,
  .message {
    display: none !important;
  }

  .page-shell {
    width: 100%;
  }

  .game-layout {
    display: block;
  }

  .board-panel,
  .words-panel > section {
    box-shadow: none;
    page-break-inside: avoid;
  }
}