:root {
  --ink: #111111;
  --muted: #56606c;
  --paper: #fffdf7;
  --paper-deep: #f5f1e6;
  --grid: rgba(11, 102, 216, 0.1);
  --blue: #0b66d8;
  --blue-soft: #d7ebff;
  --red: #d82727;
  --green: #218a3b;
  --yellow: #ffe16b;
  --shadow: 0 18px 42px rgba(17, 17, 17, 0.12);
  --line: 3px solid var(--ink);
  --radius: 6px;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    #f8fbff;
  background-size: 28px 28px;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

.app-shell {
  width: min(1480px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px 22px 12px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 64px;
  padding: 0 4px 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-size: clamp(1.35rem, 2vw, 2.1rem);
  font-weight: 900;
  letter-spacing: 0;
}

.brand-icon {
  width: 46px;
  height: 54px;
  flex: 0 0 auto;
}

.quick-nav,
.choice-row,
.stats-row,
.doodle-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-button,
.primary-button,
.secondary-button,
.choice-button,
.game-tab {
  border: var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: 4px 4px 0 var(--ink);
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.icon-button:hover,
.primary-button:hover,
.secondary-button:hover,
.choice-button:hover,
.game-tab:hover {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--ink);
}

.icon-button:active,
.primary-button:active,
.secondary-button:active,
.choice-button:active,
.game-tab:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 1px 0 var(--ink);
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 42px;
  padding: 8px 12px;
  font-size: 0.92rem;
  font-weight: 800;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(190px, 250px) minmax(0, 1fr) minmax(230px, 310px);
  gap: 18px;
  align-items: stretch;
}

.game-shelf,
.record-board {
  min-height: 730px;
}

.game-shelf {
  position: relative;
  padding: 18px 14px;
}

.game-shelf h2,
.record-board h2 {
  margin: 0 0 14px;
  font-size: 1.05rem;
  line-height: 1.25;
}

.game-tabs {
  display: grid;
  gap: 12px;
}

.game-tab {
  display: grid;
  grid-template-columns: 34px 32px 1fr;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 62px;
  padding: 10px;
  text-align: left;
  font-weight: 900;
}

.game-tab.is-active {
  background: var(--blue-soft);
}

.tab-index {
  font-size: 0.76rem;
  color: var(--muted);
}

.tab-icon {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: #ffffff;
}

.sticky-note {
  position: absolute;
  right: 8px;
  bottom: 18px;
  width: min(176px, calc(100% - 22px));
  margin: 0;
  padding: 18px 14px;
  transform: rotate(-3deg);
  border: 2px solid #d5b72d;
  background: var(--yellow);
  box-shadow: 4px 5px 0 rgba(17, 17, 17, 0.16);
  font-size: 0.96rem;
  font-weight: 800;
  line-height: 1.45;
}

.play-paper {
  position: relative;
  overflow: hidden;
  min-height: 730px;
  padding: clamp(24px, 4vw, 48px);
  border: var(--line);
  border-radius: 8px;
  background:
    linear-gradient(rgba(216, 39, 39, 0.18) 0 0) 54px 0 / 3px 100% no-repeat,
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(11, 102, 216, 0.13) 32px 33px),
    var(--paper);
  box-shadow: var(--shadow), 7px 7px 0 var(--ink);
}

.tape {
  position: absolute;
  z-index: 2;
  width: 130px;
  pointer-events: none;
}

.tape-left {
  top: 14px;
  left: 34px;
  transform: rotate(-5deg);
}

.pencil-prop {
  position: absolute;
  right: -4px;
  bottom: 18px;
  width: 78px;
  pointer-events: none;
}

.game-panel {
  position: relative;
  z-index: 1;
  min-height: 620px;
}

.panel-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 22px 26px;
}

.panel-title h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5.6vw, 5.7rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.panel-title p {
  max-width: 260px;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  font-weight: 800;
  line-height: 1.45;
  text-align: right;
}

.reaction-pad,
.click-pad {
  display: grid;
  width: min(100%, 760px);
  min-height: 300px;
  margin: 0 auto 20px;
  place-items: center;
  border: var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: inset 0 0 0 4px rgba(17, 17, 17, 0.04), 6px 6px 0 var(--ink);
  font-size: clamp(1.55rem, 3.4vw, 3.4rem);
  font-weight: 1000;
  line-height: 1.2;
  text-align: center;
}

.reaction-pad.is-waiting {
  background: #f5d4d4;
}

.reaction-pad.is-ready {
  background: #bbf0c7;
}

.reaction-pad.is-done {
  background: var(--blue-soft);
}

.click-pad {
  background: #fff6c7;
}

.stats-row {
  justify-content: center;
  flex-wrap: wrap;
  margin: 0 auto 18px;
}

.stats-row > div {
  min-width: 150px;
  padding: 12px 14px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
}

.stat-label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.stats-row strong {
  display: block;
  font-size: 1.32rem;
  line-height: 1.15;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  font-weight: 900;
}

.primary-button {
  background: var(--ink);
  color: #ffffff;
  box-shadow: 4px 4px 0 var(--blue);
}

.secondary-button {
  background: #ffffff;
}

.game-panel > .primary-button,
.game-panel > .secondary-button {
  display: flex;
  width: fit-content;
  min-width: 146px;
  margin: 0 auto;
}

.choice-row {
  justify-content: center;
  flex-wrap: wrap;
  margin: 28px 0;
}

.choice-button {
  display: grid;
  gap: 8px;
  width: 160px;
  min-height: 150px;
  place-items: center;
  background: #ffffff;
  font-size: 3.2rem;
  font-weight: 900;
}

.choice-button span {
  font-size: 1.05rem;
}

.result-board {
  width: min(100%, 660px);
  min-height: 92px;
  margin: 0 auto 18px;
  padding: 22px;
  border: var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  font-weight: 900;
  line-height: 1.35;
  text-align: center;
}

.guess-form {
  display: grid;
  grid-template-columns: minmax(84px, auto) minmax(110px, 220px) auto;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 28px 0 18px;
}

.guess-form label,
.size-control {
  color: var(--muted);
  font-weight: 900;
}

.guess-form input {
  min-height: 48px;
  padding: 10px 12px;
  border: var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  font-size: 1.24rem;
  font-weight: 900;
}

.guess-list {
  display: grid;
  width: min(100%, 520px);
  max-height: 190px;
  margin: 0 auto 18px;
  padding: 0;
  gap: 8px;
  overflow: auto;
  list-style: none;
}

.guess-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.8);
  font-weight: 850;
}

.doodle-tools {
  flex-wrap: wrap;
  justify-content: center;
  margin: 20px 0 14px;
}

.swatch {
  width: 38px;
  height: 38px;
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  background: var(--swatch);
  box-shadow: 3px 3px 0 var(--ink);
  cursor: pointer;
}

.swatch.is-active {
  outline: 3px solid var(--yellow);
  outline-offset: 2px;
}

.size-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 8px;
}

.doodle-canvas {
  display: block;
  width: min(100%, 760px);
  height: auto;
  margin: 0 auto;
  border: var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(11, 102, 216, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 102, 216, 0.08) 1px, transparent 1px),
    #ffffff;
  background-size: 24px 24px;
  box-shadow: 5px 5px 0 var(--ink);
  touch-action: none;
}

.record-board {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 18px;
  padding: 18px 0;
}

.record-list,
.memo-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.record-list li,
.memo-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 44px;
  padding: 9px 10px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: #ffffff;
  font-weight: 850;
  box-shadow: 3px 3px 0 rgba(17, 17, 17, 0.22);
}

.record-list small,
.memo-list time {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  white-space: nowrap;
}

.memo-paper {
  position: relative;
  padding: 38px 14px 16px;
  border: 2px solid #d0aa2b;
  border-radius: var(--radius);
  background: #fff0a1;
  box-shadow: 5px 6px 0 rgba(17, 17, 17, 0.14);
}

.memo-tape {
  position: absolute;
  top: -20px;
  left: 50%;
  width: 118px;
  transform: translateX(-50%) rotate(-2deg);
}

.full-button {
  width: 100%;
  margin-top: 14px;
}

.crumpled-note {
  position: absolute;
  right: 8px;
  bottom: -8px;
  width: 82px;
  transform: rotate(10deg);
  pointer-events: none;
}

.bottom-note {
  padding: 12px 4px 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
  text-align: right;
}

@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .record-board {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
    min-height: auto;
    padding-top: 8px;
  }

  .crumpled-note {
    display: none;
  }
}

@media (max-width: 760px) {
  .app-shell {
    padding: 12px;
  }

  .topbar,
  .panel-title {
    align-items: stretch;
    flex-direction: column;
  }

  .quick-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .icon-button {
    min-width: 0;
    padding: 8px 6px;
    font-size: 0.82rem;
  }

  .workspace,
  .record-board {
    grid-template-columns: 1fr;
  }

  .game-shelf,
  .record-board,
  .play-paper {
    min-height: auto;
  }

  .game-tabs {
    grid-template-columns: 1fr 1fr;
  }

  .game-tab {
    grid-template-columns: 1fr;
    min-height: 82px;
    text-align: center;
  }

  .tab-index {
    display: none;
  }

  .sticky-note {
    position: static;
    width: 100%;
    margin-top: 14px;
  }

  .play-paper {
    padding: 58px 14px 22px;
  }

  .panel-title {
    margin: 8px 0 18px;
  }

  .panel-title p {
    max-width: none;
    text-align: left;
  }

  .reaction-pad,
  .click-pad {
    min-height: 220px;
  }

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

  .guess-form .primary-button {
    width: 100%;
  }

  .pencil-prop {
    width: 56px;
  }

  .tape-left {
    top: 14px;
    left: 28px;
    width: 92px;
  }
}