* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

:root {
  color-scheme: light;
    --body-font: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --display-font: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #f5f5f5;
  --panel: #ffffff;
  --line: #141414;
  --soft-line: #bcbcbc;
  --text: #111111;
  --muted: #707070;
  --given: #8e8e8e;
  --player-a: #111111;
  --player-b: #0f766e;
  --accent: #111111;
  --selected: #fff2a8;
  --related: #dbeafe;
    --matched-digit: #fff2a8;
    --matched-digit-text: #8a5b00;
  --conflict: rgba(196, 58, 58, 0.18);
  --danger-text: #9f2020;
  --danger-bg: #fff1f1;
  --shadow: 0 18px 40px rgba(17, 17, 17, 0.08);
    --button-bg: #ffffff;
    --button-text: var(--text);
    --button-border: var(--line);
    --board-bg: #ffffff;
    --cell-bg: #ffffff;
    --feedback-surface: #fafafa;
    --page-overlay: linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0));
    --panel-border: rgba(20, 20, 20, 0.08);
    --panel-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(250, 250, 250, 0.98));
    --panel-inset: inset 0 1px 0 rgba(255, 255, 255, 0.6);
    --status-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(246, 246, 246, 0.92));
    --board-frame: linear-gradient(145deg, #fefefe, #ececec);
    --board-frame-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85), 0 18px 30px rgba(17, 17, 17, 0.1);
    --board-inner-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
    --cell-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 245, 245, 0.96));
    --cell-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
    --button-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(243, 243, 243, 0.98));
    --button-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.88), 0 2px 8px rgba(17, 17, 17, 0.06);
    --modal-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 248, 248, 0.98));
    --modal-border: rgba(20, 20, 20, 0.08);
    --heading-glow: none;
    --page-background: none;
    --page-ambient: none;
    --panel-backdrop: none;
    --button-backdrop: none;
    --board-backdrop: none;
    --status-backdrop: none;
    --feedback-backdrop: none;
    --modal-backdrop-filter: none;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
    font-family: var(--body-font);
}

body {
  padding: clamp(12px, 2vw, 24px) clamp(10px, 1.8vw, 16px) clamp(18px, 4vw, 40px);
  position: relative;
  background-color: var(--bg);
  background-image: var(--page-background);
  background-attachment: fixed;
  background-size: cover;
  background-position: center top;
}

  body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: var(--page-overlay);
    pointer-events: none;
    z-index: 0;
}

  body::after {
    content: "";
    position: fixed;
    inset: 0;
    background: var(--page-ambient);
    mix-blend-mode: screen;
    opacity: 0.9;
    pointer-events: none;
    z-index: 0;
  }

.app-shell {
  width: min(100%, 1480px);
  margin: 0 auto;
  padding-left: clamp(48px, 5vw, 72px);
  position: relative;
  z-index: 1;
}

#vip-skin-root {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.vip-skin-decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.topbar {
  text-align: center;
  margin-bottom: clamp(10px, 1.6vw, 16px);
}

.eyebrow,
.subtitle,
.control-label,
.status-label {
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 6vw, 44px);
  font-weight: 700;
  letter-spacing: 0.03em;
    font-family: var(--display-font);
    text-shadow: var(--heading-glow);
}

.subtitle {
  margin: 10px auto 0;
  max-width: 560px;
  line-height: 1.6;
  font-size: clamp(13px, 1.5vw, 14px);
}

.page-switcher {
  margin-top: 12px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-link-button {
  text-decoration: none;
}

.panel {
    background: var(--panel);
    background-image: var(--panel-surface);
    border: 1px solid var(--panel-border);
  border-radius: 20px;
  box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    -webkit-backdrop-filter: var(--panel-backdrop);
    backdrop-filter: var(--panel-backdrop);
  }

  .panel::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: var(--panel-inset);
    pointer-events: none;
}

.control-drawer-toggle {
  position: fixed;
  top: clamp(110px, 16vh, 154px);
  left: 0;
  z-index: 8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  width: 16px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.96);
  background-image: none;
  color: #111;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  box-shadow: 0 8px 18px rgba(17, 17, 17, 0.08);
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.control-drawer-toggle:hover {
  transform: translateX(2px);
}

body[data-page-label="Lobby"] .control-drawer-toggle {
  background: rgba(17, 17, 17, 0.92);
  color: #fff;
  box-shadow: 0 10px 22px rgba(17, 17, 17, 0.2);
}

.control-drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 5;
  background: rgba(17, 17, 17, 0.08);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.controls-panel {
  position: fixed;
  top: clamp(86px, 11vh, 118px);
  left: 68px;
  width: min(320px, calc(100vw - 96px));
  max-height: calc(100dvh - 128px);
  overflow: auto;
  padding: 16px;
  margin: 0;
  z-index: 7;
  transform: translateX(-28px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

body[data-controls-open="true"] .controls-panel {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

body[data-controls-open="true"] .control-drawer-toggle {
  background: var(--accent);
  color: #fff;
  clip-path: polygon(100% 0, 0 50%, 100% 100%);
}

.control-drawer-toggle-icon {
  display: none;
}

.control-group + .control-group {
  margin-top: clamp(12px, 1.8vw, 16px);
}

.control-exit-group {
  margin-top: clamp(18px, 2.4vw, 24px);
}

.control-exit-group .button-row {
  display: flex;
}

.control-exit-group .chip-button {
  width: 100%;
}

.control-label,
.status-label {
  display: block;
  font-size: 13px;
  margin-bottom: 10px;
}

.status-strip .status-label {
  display: inline;
  margin: 0;
  font-size: 11px;
}

.status-strip strong {
  font-size: 12px;
  font-weight: 700;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-button,
.keypad-button {
  appearance: none;
    border: 1.5px solid var(--button-border);
    background: var(--button-bg);
    background-image: var(--button-surface);
    color: var(--button-text);
  border-radius: 999px;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease;
  cursor: pointer;
    box-shadow: var(--button-shadow);
    -webkit-backdrop-filter: var(--button-backdrop);
    backdrop-filter: var(--button-backdrop);
}

.chip-button {
  min-width: 88px;
  padding: clamp(9px, 1.5vw, 11px) clamp(14px, 2.2vw, 18px);
  font-size: clamp(14px, 1.8vw, 15px);
  font-weight: 600;
}

.chip-button:hover,
.keypad-button:hover {
  transform: translateY(-1px);
}

.chip-button.active,
.keypad-button:active {
  background: var(--accent);
  color: #fff;
}

.secondary-chip-button {
  border-color: rgba(20, 20, 20, 0.18);
}

.start-game-button {
  min-width: 0;
  width: 100%;
}

.operator-button[data-operator="B"].active {
  background: #353535;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.status-strip > div {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 7px 10px;
  background: var(--status-surface);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
  -webkit-backdrop-filter: var(--status-backdrop);
  backdrop-filter: var(--status-backdrop);
  white-space: nowrap;
  overflow: hidden;
}

.status-strip strong {
  overflow: hidden;
  text-overflow: ellipsis;
}

.timer-status-card {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-panel {
  width: min(100%, 1160px);
  margin: 0 auto 14px;
  padding: clamp(14px, 1.8vw, 18px);
}

.board-section {
  display: grid;
  gap: 14px;
  max-width: min(100%, 1160px);
  margin: 0 auto;
  grid-template-columns: minmax(0, 1fr) minmax(248px, 300px);
  align-items: start;
}

.board-panel,
.keypad-panel {
  padding: clamp(16px, 2vw, 24px);
}

.keypad-panel {
  width: min(100%, 300px);
  justify-self: end;
  display: grid;
  align-content: start;
  gap: 12px;
}

.board-meta {
  width: 100%;
  margin: 0;
  display: grid;
  gap: 6px;
}

.status-panel-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(156px, 182px);
  gap: 8px 10px;
  align-items: stretch;
}

.status-panel-actions {
  display: grid;
  gap: 6px;
  align-content: start;
}

.room-player-status {
  color: inherit;
}

.room-player-status.ready {
  color: #1f5130;
}

.game-feedback {
  min-height: 0;
  margin: 0;
  width: 100%;
  border-radius: 14px;
  border: 1px solid transparent;
  padding: 9px 11px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--muted);
    background: var(--feedback-surface);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
    -webkit-backdrop-filter: var(--feedback-backdrop);
    backdrop-filter: var(--feedback-backdrop);
}

.game-feedback.error {
  color: var(--danger-text);
  background: var(--danger-bg);
  border-color: rgba(159, 32, 32, 0.16);
}

.game-feedback.success {
  color: #1f5130;
  background: #effaf2;
  border-color: rgba(31, 81, 48, 0.14);
}

.board {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  grid-template-rows: repeat(9, minmax(0, 1fr));
  width: min(100%, calc(100dvh - 240px), 940px);
  aspect-ratio: 1;
  margin: 0 auto;
  border: 3px solid var(--line);
    background: var(--board-bg);
    background-image: var(--board-frame);
    box-shadow: var(--board-frame-shadow), var(--board-inner-shadow);
    padding: 4px;
    gap: 0;
    -webkit-backdrop-filter: var(--board-backdrop);
    backdrop-filter: var(--board-backdrop);
}

.cell {
  appearance: none;
  border: 1px solid var(--soft-line);
    background: var(--cell-bg);
    background-image: var(--cell-surface);
  color: var(--text);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
    box-shadow: var(--cell-shadow);
}

.cell:nth-child(3n) {
  border-right-width: 3px;
  border-right-color: var(--line);
}

.cell:nth-child(9n) {
  border-right-width: 0;
}

.cell[data-row="2"],
.cell[data-row="5"] {
  border-bottom-width: 3px;
  border-bottom-color: var(--line);
}

.cell.given {
  color: var(--given);
}

.cell.selected {
  background: var(--selected);
}

.cell.related {
  background: var(--related);
}

.cell.matched-digit-cell {
  background: var(--matched-digit);
  box-shadow: inset 0 0 0 2px rgba(255, 210, 92, 0.24);
}

.cell.conflict {
  background: var(--conflict);
}

.cell.wrong-claim {
  background: rgba(255, 241, 241, 0.7);
  box-shadow: inset 0 0 0 2px rgba(159, 32, 32, 0.12);
}

.cell.exploding {
  background:
    radial-gradient(circle, rgba(255, 232, 168, 0.92), rgba(255, 113, 82, 0.68) 44%, rgba(255, 83, 83, 0) 78%),
    var(--conflict);
  box-shadow:
    inset 0 0 0 2px rgba(255, 123, 96, 0.34),
    0 0 18px rgba(255, 114, 87, 0.26);
}

.cell.paused {
  cursor: not-allowed;
}

.cell.player-b {
  color: var(--player-b);
}

.cell.player-a {
  color: var(--player-a);
}

.cell-content {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cell.dual-value .cell-content {
  align-items: stretch;
}

.cell-value {
  font-size: clamp(18px, 3vw, 28px);
  font-weight: 600;
  line-height: 1;
}

.cell-value.peer-edited {
  text-decoration-line: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.12em;
}

.cell-value.harmony {
  background: linear-gradient(135deg, #ff4d6d, #ff9f1c 28%, #ffe66d 48%, #2ec4b6 68%, #5b5fef 100%);
  background-size: 260% 260%;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow:
    0 0 12px rgba(255, 111, 145, 0.38),
    0 0 22px rgba(91, 95, 239, 0.2);
  filter: saturate(1.2) brightness(1.08);
  animation: harmony-glow 0.9s ease-in-out infinite alternate;
}

.cell-value.player-a {
  color: var(--player-a);
}

.cell-value.player-b {
  color: var(--player-b);
}

.cell-value.wrong-claim {
  color: var(--danger-text);
}

.cell-value.matched-digit,
.cell-duel-value.matched-digit {
  color: var(--matched-digit-text);
}

.cell-value.matched-digit.player-a,
.cell-duel-value.matched-digit.player-a {
  color: var(--player-a);
}

.cell-value.matched-digit.player-b,
.cell-duel-value.matched-digit.player-b {
  color: var(--player-b);
}

.cell-value.matched-digit.given,
.cell-duel-value.matched-digit.given {
  color: var(--given);
}

.cell-duel-values {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  justify-items: center;
  gap: 2px;
  padding: 2px 4px;
}

.cell-duel-value {
  font-size: clamp(14px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1;
}

.cell-duel-value.player-a {
  color: var(--player-a);
}

.cell-duel-value.player-b {
  color: var(--player-b);
}

.cell-explosion {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(28px, 4.6vw, 48px);
  pointer-events: none;
  text-shadow:
    0 0 14px rgba(255, 129, 64, 0.72),
    0 0 28px rgba(255, 76, 76, 0.42);
  animation: cell-explode 0.82s cubic-bezier(0.16, 0.84, 0.3, 1) forwards;
}

.cell-heart {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(28px, 4.8vw, 50px);
  pointer-events: none;
  filter:
    drop-shadow(0 0 12px rgba(255, 93, 143, 0.48))
    drop-shadow(0 0 22px rgba(255, 164, 196, 0.34));
  animation: cell-heart-pop 1s cubic-bezier(0.2, 0.9, 0.3, 1) forwards;
}

@keyframes cell-explode {
  0% {
    opacity: 0;
    transform: scale(0.28) rotate(-10deg);
  }

  18% {
    opacity: 1;
    transform: scale(1.34) rotate(8deg);
  }

  55% {
    opacity: 0.98;
    transform: scale(1.08) rotate(-4deg);
  }

  100% {
    opacity: 0;
    transform: scale(1.85) rotate(12deg);
  }
}

@keyframes cell-heart-pop {
  0% {
    opacity: 0;
    transform: scale(0.25);
  }

  24% {
    opacity: 1;
    transform: scale(1.45);
  }

  56% {
    opacity: 1;
    transform: scale(1.12);
  }

  78% {
    opacity: 0.92;
    transform: scale(1.24);
  }

  100% {
    opacity: 0;
    transform: scale(1.72);
  }
}

@keyframes harmony-glow {
  0% {
    background-position: 0% 50%;
    transform: scale(1);
    filter: saturate(1.12) brightness(1.02);
  }

  100% {
    background-position: 100% 50%;
    transform: scale(1.1);
    filter: saturate(1.42) brightness(1.12);
  }
}

.notes-grid {
  width: 100%;
  height: 100%;
  padding: 6px 4px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  align-items: center;
  justify-items: center;
}

.note {
  font-size: clamp(9px, 1.5vw, 12px);
  line-height: 1;
  color: #888;
  min-width: 0;
}

.note-slot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border: 0;
  background: none !important;
  padding: 0;
  font: inherit;
  color: #dddddd;
  opacity: 0.55;
  cursor: pointer;
  border-radius: 0;
  box-shadow: none;
  -webkit-appearance: none;
    appearance: none;
    outline: none;
}

.note-slot:hover {
  color: #8b8b8b;
  opacity: 0.9;
  background: none !important;
  box-shadow: none;
}

.note-slot.filled {
  color: #111111;
  opacity: 1;
  font-weight: 700;
  background: none !important;
  box-shadow: none;
}

.note-slot.player-a {
  color: var(--player-a);
  background: none !important;
  box-shadow: none;
}

.note-slot.player-b {
  color: var(--player-b);
  background: none !important;
  box-shadow: none;
}

.note-slot:active,
.note-slot:focus,
.note-slot:focus-visible,
.note-slot.filled:active,
.note-slot.filled:focus,
.note-slot.filled:focus-visible,
.note-slot.player-a:active,
.note-slot.player-a:focus,
.note-slot.player-a:focus-visible,
.note-slot.player-b:active,
.note-slot.player-b:focus,
.note-slot.player-b:focus-visible {
  background: none !important;
  box-shadow: none !important;
  outline: none;
}

.note.player-a {
  color: var(--player-a);
}

.note.player-b {
  color: var(--player-b);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--muted);
}

.input-mode-group {
  margin-bottom: 12px;
}

.compact-button-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.compact-button-row .chip-button {
  min-width: 0;
  padding: 9px 12px;
  font-size: 13px;
}

.helper-text {
  margin: 0;
  width: fit-content;
  max-width: 100%;
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid rgba(20, 20, 20, 0.08);
  background: rgba(255, 255, 255, 0.74);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.3;
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  margin-right: 8px;
  vertical-align: middle;
  background: #111;
}

.dot-a {
  background: var(--player-a);
}

.dot-b {
  background: var(--player-b);
}

.dot-given {
  background: #a5a5a5;
}

.keypad {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.keypad-button {
  min-height: clamp(48px, 5vw, 58px);
  border-radius: 16px;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
}

.keypad-button.active {
  background: var(--accent);
  color: #fff;
}

.keypad-button.completed,
.keypad-button:disabled {
  background: #efefef;
  color: #9b9b9b;
  border-color: #d4d4d4;
  cursor: not-allowed;
  transform: none;
}

.erase-button {
  grid-column: span 3;
  font-size: 16px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 18%, rgba(255, 232, 176, 0.18), transparent 22%),
    radial-gradient(circle at 82% 20%, rgba(171, 214, 255, 0.14), transparent 24%),
    linear-gradient(180deg, rgba(17, 17, 17, 0.28), rgba(17, 17, 17, 0.42));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 20;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.hidden,
.modal-backdrop.hidden {
  display: none;
}

.modal-card {
  width: min(100%, 360px);
  position: relative;
  overflow: hidden;
  background: var(--panel);
  background-image:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0) 36%),
    linear-gradient(135deg, rgba(255, 236, 186, 0.24), rgba(255, 255, 255, 0) 36%),
    var(--modal-surface);
  border: 1px solid var(--modal-border);
  border-radius: 24px;
  box-shadow:
    0 30px 80px rgba(17, 17, 17, 0.2),
    0 0 0 1px rgba(255, 255, 255, 0.24) inset;
  padding: 28px 24px 24px;
  text-align: center;
  -webkit-backdrop-filter: var(--modal-backdrop-filter);
  backdrop-filter: var(--modal-backdrop-filter);
  animation: modal-pop 0.36s cubic-bezier(0.2, 0.84, 0.28, 1);
}

.modal-card::before,
.modal-card::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.modal-card::before {
  inset: 0;
  background:
    radial-gradient(circle at 16% 18%, rgba(255, 214, 92, 0.26), transparent 12%),
    radial-gradient(circle at 84% 24%, rgba(255, 165, 208, 0.18), transparent 14%),
    radial-gradient(circle at 76% 82%, rgba(142, 197, 255, 0.18), transparent 16%);
  opacity: 0.95;
}

.modal-card::after {
  top: 14px;
  left: 50%;
  width: 88px;
  height: 4px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255, 194, 77, 0.16), rgba(255, 194, 77, 0.9), rgba(255, 194, 77, 0.16));
  box-shadow: 0 0 16px rgba(255, 194, 77, 0.28);
}

.modal-eyebrow {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  padding: 6px 12px;
  border-radius: 999px;
  color: #8a6321;
  background: linear-gradient(180deg, rgba(255, 243, 211, 0.92), rgba(255, 232, 184, 0.9));
  border: 1px solid rgba(226, 181, 78, 0.24);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.modal-eyebrow::before,
.modal-eyebrow::after {
  content: "✦";
  font-size: 10px;
  color: #d89d27;
}

.modal-card h2 {
  position: relative;
  z-index: 1;
  margin: 0 0 12px;
  font-size: clamp(30px, 5vw, 36px);
  line-height: 1.05;
  letter-spacing: 0.02em;
  text-shadow: 0 4px 18px rgba(255, 204, 102, 0.18);
}

.modal-copy {
  position: relative;
  z-index: 1;
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 14px;
}

.mode-select-card {
  width: min(100%, 460px);
  text-align: left;
}

.mode-option-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
}

.mode-option-button {
  appearance: none;
  width: 100%;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.64), 0 10px 20px rgba(17, 17, 17, 0.06);
}

.mode-option-button:hover {
  transform: translateY(-1px);
  border-color: rgba(20, 20, 20, 0.18);
}

.mode-option-button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

.mode-option-button strong,
.mode-option-button span {
  display: block;
}

.mode-option-button strong {
  margin-bottom: 6px;
  font-size: 16px;
}

.mode-option-button span {
  color: var(--muted);
  line-height: 1.5;
  font-size: 13px;
}

.room-control-group .button-row {
  margin-top: 10px;
}

.room-summary-card {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.64);
}

.room-summary-card strong {
  font-size: 14px;
}

.room-summary-card span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.ranked-panel {
  display: grid;
  gap: 10px;
}

.ranked-panel.hidden {
  display: none;
}

.ranked-summary-card,
.ranked-leaderboard-card {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.64);
}

.ranked-summary-card strong,
.ranked-leaderboard-header strong {
  font-size: 14px;
}

.ranked-summary-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.ranked-summary-copy {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.ranked-name-button {
  min-width: 0;
  padding-inline: 12px;
  white-space: nowrap;
}

.ranked-summary-card span,
.ranked-leaderboard-header span,
.ranked-leaderboard-status,
.ranked-leaderboard-item-time,
.ranked-live-stat-label {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.ranked-live-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.ranked-live-stat {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.72);
}

.ranked-live-stat strong {
  font-size: 16px;
  line-height: 1.2;
}

.ranked-leaderboard-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.ranked-leaderboard-status {
  margin: 0;
}

.ranked-leaderboard-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
}

.ranked-leaderboard-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.ranked-leaderboard-item-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ranked-leaderboard-item.current-player .ranked-leaderboard-item-name {
  font-weight: 700;
}

.ranked-leaderboard-item.current-player {
  padding: 6px 8px;
  border-radius: 12px;
  background: rgba(17, 17, 17, 0.06);
}

.ranked-leaderboard-gap {
  list-style: none;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.ranked-profile-card {
  width: min(100%, 380px);
  text-align: left;
}

.room-hub-card {
  width: min(100%, 520px);
  max-height: min(88vh, 720px);
  overflow-y: auto;
  text-align: left;
}

.room-hub-meta {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.room-hub-meta[hidden],
.room-hub-nav[hidden],
.room-hub-pane[hidden],
.room-invite-block[hidden] {
  display: none !important;
}

.room-env-badge {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.08);
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.room-hub-status {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.room-hub-nav {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: flex-start;
  margin-bottom: 10px;
}

.room-hub-pane {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
}

.room-hub-option {
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.64), 0 10px 20px rgba(17, 17, 17, 0.04);
}

.room-hub-option strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
}

.room-hub-option p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.room-hub-form {
  grid-template-columns: 1fr;
}

.room-form-field {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.room-form-field input {
  width: 100%;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.94);
  color: var(--text);
  font: inherit;
}

.room-form-field input:focus {
  outline: 2px solid rgba(17, 17, 17, 0.16);
  outline-offset: 2px;
}

.room-hub-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.room-invite-block {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.room-hub-actions {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: flex-end;
  margin-top: 14px;
}

.modal-time {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 152px;
  margin: 0 0 20px;
  padding: 10px 16px;
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 245, 236, 0.94));
  border: 1px solid rgba(214, 190, 143, 0.26);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    0 10px 20px rgba(17, 17, 17, 0.06);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: #7a5922;
}

.modal-close-button {
  min-width: 110px;
  position: relative;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(255, 217, 120, 0.96), rgba(239, 182, 63, 0.96));
  border-color: rgba(178, 129, 34, 0.32);
  color: #55370d;
  box-shadow:
    inset 0 1px 0 rgba(255, 245, 214, 0.72),
    0 10px 18px rgba(226, 170, 53, 0.18);
}

.modal-close-button:hover {
  transform: translateY(-2px) scale(1.01);
}

@keyframes modal-pop {
  0% {
    opacity: 0;
    transform: translateY(18px) scale(0.94);
  }

  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding-left: 0;
  }

  .control-drawer-toggle {
    top: 14px;
    left: 0;
    width: 14px;
    height: 36px;
    min-width: 0;
    padding: 0;
  }

  .controls-panel {
    top: 62px;
    left: 12px;
    width: calc(100vw - 24px);
    max-height: calc(100dvh - 84px);
  }

  .page-switcher,
  .button-row {
    gap: 8px;
  }

  .chip-button {
    flex: 1 1 calc(50% - 8px);
    min-width: 0;
  }

  .status-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .status-strip > div {
    padding: 6px 9px;
  }

  .board-section {
    grid-template-columns: 1fr;
  }

  .status-panel {
    margin-bottom: 12px;
  }

  .status-panel-header {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .status-panel-actions {
    grid-template-columns: 1fr;
  }

  .keypad-panel {
    width: 100%;
    justify-self: stretch;
  }

  .keypad {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
  }

  .erase-button {
    grid-column: span 5;
  }
}

@media (max-height: 900px) {
  h1 {
    font-size: clamp(28px, 4.6vw, 38px);
  }

  .eyebrow {
    margin-bottom: 4px;
    font-size: 11px;
  }

  .subtitle {
    margin-top: 6px;
  }

  .board-panel,
  .keypad-panel {
    padding: 14px;
  }

  .board {
    width: min(100%, calc(100dvh - 220px), 820px);
  }
}

@media (max-height: 760px) {
  body {
    padding: 10px 10px 16px;
  }

  .topbar {
    margin-bottom: 10px;
  }

  .board-panel,
  .keypad-panel {
    padding: 12px;
    border-radius: 16px;
  }

  .control-group + .control-group {
    margin-top: 10px;
  }

  .board-section {
    gap: 10px;
  }

  .game-feedback {
    min-height: 42px;
    margin-bottom: 10px;
    padding: 10px 12px;
    font-size: 13px;
  }

  .board {
    width: min(100%, calc(100dvh - 190px), 720px);
    border-width: 2px;
    padding: 3px;
  }

  .keypad {
    gap: 8px;
  }

  .keypad-button {
    min-height: 42px;
    border-radius: 14px;
  }

  .erase-button {
    font-size: 15px;
  }
}

@media (max-width: 560px) {
  body {
    padding: 18px 12px 28px;
  }

  .board-panel,
  .keypad-panel {
    padding: 14px;
    border-radius: 16px;
  }

  .status-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .board {
    width: min(100%, calc(100vw - 26px), calc(100dvh - 220px));
  }

  .modal-card {
    padding: 24px 18px 20px;
    border-radius: 20px;
  }

  .modal-time {
    min-width: 0;
    width: 100%;
  }

  .keypad {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .erase-button {
    grid-column: span 4;
  }
}

@media (max-width: 560px) and (max-height: 760px) {
  body {
    padding: 10px 10px 16px;
  }

  .board-panel,
  .keypad-panel {
    padding: 12px;
  }

  .board {
    width: min(100%, calc(100vw - 20px), calc(100dvh - 180px));
  }
}