:root {
  --bg-top: #fff4e8;
  --bg-bottom: #f6d7dc;
  --bg-accent-a: rgba(255, 255, 255, 0.85);
  --bg-accent-b: rgba(241, 184, 91, 0.22);
  --cell-size: 3.2rem;
  --cell-gap: 0.4rem;
  --surface: rgba(255, 251, 247, 0.85);
  --surface-border: rgba(92, 45, 56, 0.12);
  --text-main: #2f1b24;
  --text-soft: #6f5861;
  --accent: #c5566f;
  --accent-deep: #8d3348;
  --rose: #cd4c6c;
  --lilly: #5d7fd6;
  --success: #2a8a66;
  --danger: #9f3247;
  --solve: #2b8f94;
  --shadow: 0 22px 60px rgba(95, 42, 54, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text-main);
  background: url("april-vasquez-RmozNB1pOIk-unsplash.jpg") center / cover no-repeat fixed;
  overflow-x: hidden;
}

body.win-mode .main-panel {
  animation: winnerPulse 900ms ease 2;
}

.flower-pattern {
  position: fixed;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4rem 6rem;
  padding: 2rem 4rem;
  pointer-events: none;
  opacity: 0.11;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  transform: rotate(-8deg) scale(1.1);
}

.flower-pattern span:nth-child(odd) {
  transform: translateY(1.2rem) rotate(8deg);
}

.flower-pattern span:nth-child(3n) {
  transform: translateY(-0.8rem) rotate(-10deg);
}

.confetti-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 30;
}

.confetti-piece {
  position: absolute;
  top: -10vh;
  width: 10px;
  height: 18px;
  border-radius: 999px;
  animation: confettiFall linear forwards;
}

.confetti-piece.is-flower {
  width: auto;
  height: auto;
  font-size: 1.2rem;
  background: transparent;
}

.cardlet {
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(92, 45, 56, 0.08);
  border-radius: 18px;
  padding: 0.95rem 1rem;
}

body[data-theme="rose-garden"] {
  --bg-top: #fff4e8;
  --bg-bottom: #f6d7dc;
  --bg-accent-a: rgba(255, 255, 255, 0.88);
  --bg-accent-b: rgba(241, 184, 91, 0.22);
}

body[data-theme="sunlit-meadow"] {
  --bg-top: #fffbe0;
  --bg-bottom: #d7f2bd;
  --bg-accent-a: rgba(255, 247, 196, 0.9);
  --bg-accent-b: rgba(138, 197, 74, 0.22);
}

body[data-theme="lavender-field"] {
  --bg-top: #f5ecff;
  --bg-bottom: #d8cff5;
  --bg-accent-a: rgba(255, 255, 255, 0.82);
  --bg-accent-b: rgba(156, 124, 212, 0.24);
}

body[data-theme="forest-moss"] {
  --bg-top: #edf4e4;
  --bg-bottom: #bdcfab;
  --bg-accent-a: rgba(247, 250, 235, 0.86);
  --bg-accent-b: rgba(83, 126, 68, 0.22);
}

body[data-theme="water-lilies"] {
  --bg-top: #e8fbff;
  --bg-bottom: #bfded7;
  --bg-accent-a: rgba(255, 255, 255, 0.84);
  --bg-accent-b: rgba(100, 170, 160, 0.24);
}

body[data-theme="wildflower-dawn"] {
  --bg-top: #fff1e2;
  --bg-bottom: #f2c8b3;
  --bg-accent-a: rgba(255, 255, 255, 0.86);
  --bg-accent-b: rgba(226, 138, 89, 0.22);
}

body[data-theme="orchid-mist"] {
  --bg-top: #fff0f8;
  --bg-bottom: #e4cade;
  --bg-accent-a: rgba(255, 255, 255, 0.86);
  --bg-accent-b: rgba(193, 116, 168, 0.2);
}

body[data-theme="autumn-fern"] {
  --bg-top: #fff0dc;
  --bg-bottom: #d7b78a;
  --bg-accent-a: rgba(255, 248, 239, 0.84);
  --bg-accent-b: rgba(164, 112, 60, 0.22);
}

body[data-theme="coastal-bloom"] {
  --bg-top: #eaf5ff;
  --bg-bottom: #cdddf4;
  --bg-accent-a: rgba(255, 255, 255, 0.86);
  --bg-accent-b: rgba(96, 148, 204, 0.24);
}

body[data-theme="moon-garden"] {
  --bg-top: #eef0f8;
  --bg-bottom: #c8d0e4;
  --bg-accent-a: rgba(255, 255, 255, 0.76);
  --bg-accent-b: rgba(122, 132, 171, 0.22);
}

.app-shell {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.6rem 0 2.4rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.topbar {
  margin-bottom: 1rem;
  padding: 1.35rem 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.theme-picker {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  color: var(--text-soft);
}

.theme-picker span {
  white-space: nowrap;
}

.theme-picker select {
  border: 1px solid rgba(92, 45, 56, 0.16);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-main);
  border-radius: 14px;
  padding: 0.7rem 0.9rem;
  font: inherit;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.theme-picker select:hover {
  border-color: rgba(92, 45, 56, 0.3);
  box-shadow: 0 4px 12px rgba(95, 42, 54, 0.08);
}

.eyebrow {
  margin: 0 0 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  color: var(--accent-deep);
  font-weight: 700;
}

.main-title {
  font-size: clamp(2.9rem, 7vw, 5.2rem);
  background: linear-gradient(135deg, #d84e7d, #f09d44, #5b8bd8, #5aa25d);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 8px 24px rgba(216, 78, 125, 0.16);
}

h1,
h2 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-weight: 700;
  line-height: 1.06;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  font-size: 1.75rem;
}

.game-layout {
  display: block;
}

.main-panel {
  padding: 1.55rem;
}

.main-panel {
  min-height: 72vh;
  display: flex;
  flex-direction: column;
}

.section-heading,
.action-row,
.grid-row,
.entry-meta,
.notation,
.helper-tools {
  display: flex;
  gap: 0.75rem;
}

.section-heading {
  align-items: start;
  justify-content: flex-start;
}

.badge {
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  font-size: 1rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(92, 45, 56, 0.12);
}

.history-list,
.action-row,
.helper-tools {
  margin-top: 1rem;
}

.action-row {
  display: grid;
  grid-template-columns: repeat(4, var(--cell-size)) var(--cell-gap) 6.5rem 6.5rem;
  align-items: center;
  column-gap: 0.9rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(92, 45, 56, 0.08);
}

.history-empty {
  margin-top: 1rem;
  color: var(--text-soft);
}

.history-list {
  display: grid;
  gap: 0.5rem;
  align-content: start;
  flex: 0 0 auto;
}

.history-grid-row {
  display: grid;
  align-items: center;
  grid-template-columns: repeat(4, var(--cell-size)) var(--cell-gap) 8.5rem 4.5rem;
  justify-content: start;
  padding: 0.55rem 0;
  border: 0;
  background: transparent;
  column-gap: 0.9rem;
}

.grid-row {
  align-items: center;
  gap: var(--cell-gap);
}

.input-grid {
  display: contents;
}

.entry-meta {
  width: 4.5rem;
  justify-content: center;
  flex: 0 0 auto;
}

.entry-meta .badge {
  background: rgba(92, 45, 56, 0.08);
  border-color: transparent;
  color: var(--text-soft);
  padding: 0.3rem 0.55rem;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  border-radius: 999px;
}

.digit-chip {
  min-width: var(--cell-size);
  min-height: var(--cell-size);
  padding: 0.55rem;
  border-radius: 18px;
  border: 1px solid rgba(92, 45, 56, 0.12);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-main);
  font-size: 1.45rem;
  font-weight: 800;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.digit-chip:hover {
  border-color: rgba(92, 45, 56, 0.25);
  box-shadow: 0 2px 8px rgba(95, 42, 54, 0.06);
}

.digit-chip[data-mark="maybe"] {
  background: rgba(241, 184, 91, 0.2);
  border-color: rgba(241, 184, 91, 0.42);
}

.digit-chip[data-mark="certain"] {
  background: rgba(205, 76, 108, 0.18);
  border-color: rgba(205, 76, 108, 0.42);
}

.digit-chip[data-mark="placed"] {
  background: rgba(42, 138, 102, 0.18);
  border-color: rgba(42, 138, 102, 0.44);
  color: #1d6d4f;
}

.digit-chip[data-mark="blocked"] {
  background: rgba(47, 27, 36, 0.08);
  color: rgba(47, 27, 36, 0.45);
  text-decoration: line-through;
}

.digit-input {
  width: var(--cell-size);
  min-width: var(--cell-size);
  height: var(--cell-size);
  padding: 0;
  text-align: center;
  font-size: 1.45rem;
  font-weight: 800;
  border-radius: 18px;
  caret-color: transparent;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.digit-input:hover {
  border-color: rgba(92, 45, 56, 0.3);
  box-shadow: 0 2px 8px rgba(95, 42, 54, 0.06);
}

.inline-button {
  width: 6.5rem;
  min-width: 6.5rem;
  padding: 0.95rem 0.9rem;
  font-size: 1.06rem;
}

button.utility-button {
  border-radius: 999px;
  padding: 0.8rem 1.2rem;
  box-shadow: none;
  background: rgba(92, 45, 56, 0.06);
  border: 1px solid rgba(92, 45, 56, 0.08);
  color: var(--text-soft);
  font-size: 0.9rem;
  font-weight: 700;
}

button.utility-button:hover {
  background: rgba(92, 45, 56, 0.13);
  border-color: rgba(92, 45, 56, 0.22);
  color: var(--text-main);
  box-shadow: none;
}

.notation {
  grid-column: 6;
  align-items: center;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  gap: 0.48rem;
  min-width: 5rem;
  font-size: 1.5rem;
}

.notation-token-rose {
  color: var(--rose);
}

.notation-token-lilly {
  color: var(--lilly);
}

.notation-token-final {
  color: var(--danger);
}

.history-info-row .entry-meta {
  display: none;
}

.history-info-row .notation {
  text-transform: none;
  letter-spacing: normal;
  font-weight: 700;
  font-size: 1.05rem;
  grid-column: 6 / -1;
}

.rules-dialog {
  width: min(760px, calc(100% - 1rem));
  border: 0;
  border-radius: 26px;
  padding: 0;
  background: rgba(255, 251, 247, 0.96);
  box-shadow: var(--shadow);
}

.rules-dialog::backdrop {
  background: rgba(47, 27, 36, 0.28);
  backdrop-filter: blur(4px);
}

.rules-content {
  padding: 1.25rem;
}

.rules-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.rules-copy {
  color: var(--text-soft);
  line-height: 1.55;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1rem;
}

.example-card {
  padding: 1rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(92, 45, 56, 0.08);
}

.example-title {
  font-weight: 800;
  margin-bottom: 0.6rem;
}

.example-row {
  display: grid;
  gap: 0.35rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.example-result {
  color: var(--accent-deep);
  font-size: 1.45rem;
}

.action-buttons {
  display: grid;
  grid-template-columns: repeat(2, 6.5rem);
  grid-column: 6 / 8;
  gap: 0.9rem;
  align-items: center;
}

input {
  border: 1px solid rgba(92, 45, 56, 0.16);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-main);
  font-family: inherit;
}

select:focus,
input:focus,
button:focus {
  outline: 3px solid rgba(93, 127, 214, 0.24);
  outline-offset: 2px;
}

button {
  border: 0;
  border-radius: 18px;
  padding: 0.95rem 1.1rem;
  font-size: 0.98rem;
  font-weight: 800;
  font-family: inherit;
  cursor: pointer;
  transition: box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease, filter 0.15s ease;
}

.primary-button {
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  box-shadow: 0 12px 24px rgba(141, 51, 72, 0.24);
}

.primary-button:hover {
  filter: brightness(1.06);
  box-shadow: 0 12px 28px rgba(141, 51, 72, 0.3);
}

.secondary-button {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(92, 45, 56, 0.12);
}

.secondary-button:hover {
  background: rgba(255, 255, 255, 1);
  border-color: rgba(92, 45, 56, 0.22);
}

.danger-button {
  color: white;
  background: linear-gradient(135deg, #33a6ac, var(--solve));
  box-shadow: 0 12px 24px rgba(43, 143, 148, 0.24);
}

.danger-button:hover {
  filter: brightness(1.06);
  box-shadow: 0 12px 28px rgba(43, 143, 148, 0.3);
}

.legend {
  margin-top: 0.5rem;
  font-size: 0.82rem;
}

.helper-tools-top {
  margin-top: 0.9rem;
}

.legend-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.8rem;
  align-items: center;
  color: var(--text-soft);
}

.legend-row + .legend-row {
  margin-top: 0.5rem;
}

.legend-row strong {
  color: var(--text-main);
}

.legend-mark {
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-weight: 700;
}

.legend-maybe {
  background: rgba(241, 184, 91, 0.22);
}

.legend-placed {
  background: rgba(42, 138, 102, 0.18);
  color: #1d6d4f;
}

.legend-blocked {
  background: rgba(47, 27, 36, 0.08);
}

.site-footer {
  margin-top: auto;
  padding: 0.8rem 0 0;
  text-align: center;
  color: var(--text-soft);
  font-size: 0.82rem;
}

.win-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.win-name-label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-weight: 700;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.win-disqualified {
  display: none;
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
}

.win-form.hints-used .win-disqualified {
  display: block;
}

.win-form.hints-used .win-name-label,
.win-form.hints-used button[type="submit"] {
  display: none;
}

.win-name-input {
  padding: 0.75rem 1rem;
  border-radius: 14px;
  font-size: 1.1rem;
  font-weight: 700;
  font-family: inherit;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.95rem;
}

.leaderboard-table th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 2px solid rgba(92, 45, 56, 0.12);
  color: var(--text-soft);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.leaderboard-row {
  transition: background 0.15s ease;
}

.leaderboard-row.has-history {
  cursor: pointer;
}

.leaderboard-row:hover {
  background: rgba(92, 45, 56, 0.04);
}

.leaderboard-row td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid rgba(92, 45, 56, 0.06);
}

.history-detail-row td {
  padding: 0.5rem 0.75rem 0.75rem 2.5rem;
  border-bottom: 1px solid rgba(92, 45, 56, 0.06);
  background: rgba(92, 45, 56, 0.03);
}

.history-move {
  font-size: 0.88rem;
  padding: 0.15rem 0;
  color: var(--text-soft);
  font-weight: 600;
}

.leaderboard-body {
  color: var(--text-soft);
  min-height: 3rem;
}

.firework-spark {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  animation: fireworkBurst 0.9s ease-out forwards;
  opacity: 0;
}

.digit-input.shake {
  animation: inputShake 0.5s ease-in-out;
  border-color: var(--danger);
}

@keyframes inputShake {
  0%   { transform: translateX(0); }
  10%  { transform: translateX(-6px); }
  20%  { transform: translateX(5px); }
  30%  { transform: translateX(-4px); }
  40%  { transform: translateX(4px); }
  50%  { transform: translateX(-3px); }
  60%  { transform: translateX(2px); }
  70%  { transform: translateX(-1px); }
  80%  { transform: translateX(1px); }
  100% { transform: translateX(0); }
}

@keyframes confettiFall {
  0% {
    transform: translate3d(0, -10vh, 0) rotate(0deg);
    opacity: 1;
  }

  100% {
    transform: translate3d(var(--drift), 120vh, 0) rotate(720deg);
    opacity: 0.1;
  }
}

@keyframes fireworkBurst {
  0% {
    transform: translate3d(0, 0, 0) scale(0.5);
    opacity: 1;
  }

  60% {
    opacity: 1;
  }

  100% {
    transform: translate3d(var(--fx), var(--fy), 0) scale(0.2);
    opacity: 0;
  }
}

@keyframes winnerPulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow: var(--shadow);
  }

  50% {
    transform: scale(1.01);
    box-shadow: 0 28px 80px rgba(95, 42, 54, 0.24);
  }
}

@media (max-width: 900px) {
  .action-row,
  .history-grid-row {
    align-items: flex-start;
  }

  .entry-meta {
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: 100%;
    padding: 0.5rem 0.25rem 1rem;
  }

  .topbar {
    padding: 0.75rem 1rem;
    border-radius: 18px;
    margin-bottom: 0.5rem;
    gap: 0.4rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .topbar > div:first-child {
    width: 100%;
    text-align: center;
  }

  .topbar h1,
  .main-title {
    font-size: 1.5rem !important;
  }

  .topbar-actions {
    gap: 0.35rem;
    justify-content: center;
  }

  .topbar-actions .utility-button {
    padding: 0.45rem 0.65rem;
    font-size: 0.75rem;
  }

  .topbar-actions .primary-button {
    padding: 0.45rem 0.8rem;
    font-size: 0.8rem;
  }

  .main-panel {
    padding: 1rem 0.75rem;
    border-radius: 18px;
    min-height: auto;
    overflow: hidden;
  }

  .section-heading {
    justify-content: center;
  }

  .section-heading h2 {
    font-size: 1.3rem;
  }

  .digit-input {
    width: var(--cell-size);
    min-width: var(--cell-size);
    height: var(--cell-size);
    font-size: 1.5rem;
  }

  .action-row {
    grid-template-columns: repeat(4, var(--cell-size));
    row-gap: 0.6rem;
    column-gap: 0.5rem;
    padding: 0.8rem 0;
  }

  .action-buttons {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
  }

  button.inline-button {
    width: 100%;
    padding: 0.85rem;
    font-size: 1rem;
  }

  .helper-tools {
    gap: 0.4rem;
  }

  .helper-tools .utility-button {
    padding: 0.6rem 0.8rem;
    font-size: 0.82rem;
  }

  .history-grid-row {
    grid-template-columns: repeat(4, auto) 0 1fr auto;
    column-gap: 0.5rem;
    row-gap: 0;
    align-items: center;
  }

  .digit-chip {
    min-width: 2.8rem;
    min-height: 2.8rem;
    font-size: 1.3rem;
    text-align: center;
  }

  .notation {
    font-size: 1.2rem;
    align-items: center;
  }

  .entry-meta {
    justify-content: center;
  }

  .entry-meta .badge {
    font-size: 0.75rem;
    padding: 0.2rem 0.4rem;
  }

  .legend {
    font-size: 0.75rem;
  }

  .example-grid {
    grid-template-columns: 1fr;
  }

  .flower-pattern {
    display: none;
  }

  .rules-dialog {
    width: calc(100% - 0.5rem);
    border-radius: 18px;
  }

  .win-name-input {
    font-size: 16px;
  }
}