:root {
  --bg: #08090a;
  --panel: #0b0d0e;
  --line: #1b1f20;
  --line-bright: #2c3233;
  --text: #d8d5cc;
  --dim: #7f8a88;
  --faint: #66716e;
  --accent: #32c5c1;
  --sp: 0.25rem;
}

* { box-sizing: border-box; }

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: rgba(50, 197, 193, 0.25); color: #f0ede5; }

a { color: inherit; text-decoration: none; }

.top {
  display: flex;
  align-items: baseline;
  gap: var(--sp);
  padding: calc(var(--sp) * 7) calc(var(--sp) * 10);
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.34em;
}

.top .meta {
  flex: 1;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--faint);
  padding-left: calc(var(--sp) * 4);
}

.top .back {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--faint);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 160ms ease, border-color 160ms ease;
}

.top .back:hover { color: var(--accent); border-bottom-color: var(--accent); }

.work {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: calc(var(--sp) * 16);
  max-width: 1400px;
  margin: 0 auto;
  padding: calc(var(--sp) * 14) calc(var(--sp) * 10) calc(var(--sp) * 20);
  align-items: start;
}

.console {
  position: sticky;
  top: calc(var(--sp) * 8);
}

.kicker {
  font-size: 10px;
  letter-spacing: 0.26em;
  color: var(--accent);
}

h1 {
  font-size: 30px;
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.025em;
  margin: calc(var(--sp) * 5) 0 calc(var(--sp) * 4);
}

.lede {
  font-size: 13px;
  line-height: 1.75;
  color: var(--dim);
  max-width: 36ch;
  margin: 0 0 calc(var(--sp) * 8);
}

form { margin: 0; }

label {
  display: block;
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: calc(var(--sp) * 3);
}

.field {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--line-bright);
  background: #050606;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.field:focus-within {
  border-color: rgba(50, 197, 193, 0.55);
  box-shadow: 0 0 0 1px rgba(50, 197, 193, 0.12);
}

#seed {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: none;
  color: var(--text);
  font: inherit;
  font-size: 15px;
  letter-spacing: 0.02em;
  padding: calc(var(--sp) * 3.5) calc(var(--sp) * 3.5);
}

#seed::placeholder { color: var(--faint); }

.seal {
  border: 0;
  background: var(--accent);
  color: #04100f;
  font: inherit;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  padding: 0 calc(var(--sp) * 4.5);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}

.seal:hover { background: #4ad9d5; }

.seal:disabled {
  background: var(--line);
  color: var(--faint);
  cursor: default;
}

.hint {
  font-size: 10px;
  line-height: 1.6;
  color: var(--faint);
  margin: calc(var(--sp) * 2.5) 0 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--sp) * 4.5);
  margin-top: calc(var(--sp) * 6);
}

.actions button,
.open {
  background: none;
  border: 0;
  border-bottom: 1px solid transparent;
  color: var(--dim);
  font: inherit;
  font-size: 10px;
  letter-spacing: 0.18em;
  padding: calc(var(--sp) * 1.5) 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease;
}

.actions button:hover,
.open:hover {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.status {
  min-height: 2.8em;
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.12em;
  color: var(--dim);
  margin: calc(var(--sp) * 6) 0 0;
  border-left: 1px solid var(--line-bright);
  padding-left: calc(var(--sp) * 3);
}

.status.is-sealed { color: var(--accent); border-left-color: var(--accent); }
.status.is-error { color: #d98a6a; border-left-color: #d98a6a; }

.console-register {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: calc(var(--sp) * 2);
  margin-top: calc(var(--sp) * 8);
  padding-top: calc(var(--sp) * 3);
  border-top: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--dim);
}

.console-register:hover { color: var(--accent); }

.console-register .arrow { color: var(--faint); }

.note {
  font-size: 11px;
  line-height: 1.7;
  color: var(--faint);
  margin: calc(var(--sp) * 8) 0 0;
  max-width: 38ch;
}

.stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}

.sheet-wrap {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  perspective: 1600px;
}

.sheet-frame {
  position: relative;
  display: inline-block;
  line-height: 0;
  transform-style: preserve-3d;
  transition: transform 180ms ease-out;
  will-change: transform;
  cursor: pointer;
}

.flip-card {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 760ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.flip-card.is-flipped { transform: rotateY(180deg); }

.flip-card .face {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.flip-card .face-front { position: relative; }

.flip-card .face-back {
  position: absolute;
  inset: 0;
  transform: rotateY(180deg);
}

.flip-card canvas {
  display: block;
  border: 1px solid var(--line);
  background: #0d1011;
}

.face-front canvas {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: calc(100vh - 150px);
}

.face-back canvas {
  width: 100%;
  height: 100%;
}

.glare {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 220ms ease;
  background: radial-gradient(circle at 50% 50%, rgba(230, 240, 238, 0.16), transparent 48%);
  mix-blend-mode: screen;
}

.sheet-wrap::before {
  content: '';
  position: absolute;
  inset: 8% 12% 8% 12%;
  background: radial-gradient(ellipse at 50% 45%, rgba(50, 197, 193, 0.07), transparent 68%);
  pointer-events: none;
  filter: blur(24px);
}



.open {
  margin-top: calc(var(--sp) * 4);
  color: var(--faint);
}

.register {
  max-width: 1400px;
  margin: 0 auto;
  padding: calc(var(--sp) * 12) calc(var(--sp) * 10) calc(var(--sp) * 20);
  border-top: 1px solid var(--line);
}

.reg-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: calc(var(--sp) * 4);
  margin-bottom: calc(var(--sp) * 7);
}

.reg-head h2 {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.26em;
  color: var(--dim);
  margin: 0;
}

.count {
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--faint);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: calc(var(--sp) * 5);
}

.card {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 180ms ease, transform 180ms ease;
}

.card:hover { border-color: var(--line-bright); transform: translateY(-2px); }

.card-invite {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  gap: calc(var(--sp) * 3);
  padding: calc(var(--sp) * 5);
  min-height: 190px;
  background:
    linear-gradient(rgba(216, 213, 204, 0.035) 1px, transparent 1px) 0 0 / 100% 26px,
    linear-gradient(90deg, rgba(216, 213, 204, 0.035) 1px, transparent 1px) 0 0 / 26px 100%,
    #0a0c0d;
}

.card-invite:hover { transform: none; border-color: rgba(50, 197, 193, 0.45); }

.invite-kicker {
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.invite-line {
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.invite-cta {
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--dim);
  border-bottom: 1px solid var(--line-bright);
  padding-bottom: calc(var(--sp) * 1.5);
}

.card canvas {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--line);
  background: #0a0c0d;
}

.card .info {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: calc(var(--sp) * 2);
  padding: calc(var(--sp) * 2.5) calc(var(--sp) * 3);
}

.card .name {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card .no {
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--faint);
  white-space: nowrap;
}

.empty {
  font-size: 11px;
  color: var(--faint);
  margin: 0;
  line-height: 1.8;
}

.foot {
  display: flex;
  justify-content: space-between;
  gap: calc(var(--sp) * 4);
  max-width: 1400px;
  margin: 0 auto;
  padding: calc(var(--sp) * 6) calc(var(--sp) * 10) calc(var(--sp) * 10);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--faint);
  border-top: 1px solid var(--line);
}

.modes {
  display: flex;
  align-self: center;
  margin-bottom: calc(var(--sp) * 3);
  border: 1px solid var(--line);
}

.mode {
  background: none;
  border: 0;
  color: var(--faint);
  font: inherit;
  font-size: 9px;
  letter-spacing: 0.2em;
  padding: calc(var(--sp) * 2) calc(var(--sp) * 3.5);
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease;
}

.mode + .mode { border-left: 1px solid var(--line); }
.mode:hover { color: var(--accent); }
.mode.is-active { color: var(--text); background: var(--line); }

.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--sp) * 6);
  background: rgba(5, 6, 6, 0.92);
}

.modal[hidden] { display: none; }

.modal-box {
  width: min(520px, 100%);
  background: #0c0f10;
  border: 1px solid var(--line-bright);
  padding: calc(var(--sp) * 8);
}

.modal-kicker {
  font-size: 9px;
  letter-spacing: 0.24em;
  color: var(--accent);
}

.modal-box h2 {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: calc(var(--sp) * 4) 0 calc(var(--sp) * 3);
}

.modal-box p {
  font-size: 12px;
  line-height: 1.75;
  color: var(--dim);
  margin: 0;
}

.modal-box strong { color: var(--text); font-weight: 500; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: calc(var(--sp) * 3);
  margin-top: calc(var(--sp) * 7);
}

.modal-actions button {
  font: inherit;
  font-size: 9px;
  letter-spacing: 0.2em;
  padding: calc(var(--sp) * 3) calc(var(--sp) * 4);
  cursor: pointer;
}

.modal-actions .ghost {
  background: none;
  border: 1px solid var(--line-bright);
  color: var(--dim);
}

.modal-actions .ghost:hover { color: var(--text); border-color: var(--text); }

.modal-actions .primary {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #04100f;
}

.modal-actions .primary:hover { background: #4ad9d5; }

:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--sp) * 6);
  background: rgba(5, 6, 6, 0.96);
}

.lightbox[hidden] { display: none; }

.lightbox img {
  max-width: 100%;
  max-height: calc(100vh - 96px);
  border: 1px solid var(--line-bright);
  background: #0d1011;
}

.light-close {
  position: absolute;
  top: calc(var(--sp) * 5);
  right: calc(var(--sp) * 5);
  background: none;
  border: 1px solid var(--line-bright);
  color: var(--dim);
  font: inherit;
  font-size: 9px;
  letter-spacing: 0.2em;
  padding: calc(var(--sp) * 2.5) calc(var(--sp) * 3.5);
  cursor: pointer;
}

.light-close:hover { color: var(--accent); border-color: var(--accent); }

@media (max-width: 900px) {
  .top { padding: calc(var(--sp) * 5) calc(var(--sp) * 5); }
  .top .meta { display: none; }
  .work {
    grid-template-columns: 1fr;
    gap: calc(var(--sp) * 10);
    padding: calc(var(--sp) * 8) calc(var(--sp) * 5) calc(var(--sp) * 14);
  }
  .console { position: static; }
  h1 { font-size: 26px; }
  .stage { order: 2; }
  #sheet { max-height: none; }
  .register { padding: calc(var(--sp) * 10) calc(var(--sp) * 5); }
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: calc(var(--sp) * 3); }
  .foot { padding: calc(var(--sp) * 5); flex-direction: column; gap: calc(var(--sp) * 2); }
}

@media (max-width: 900px) {
  .flip-card canvas { filter: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
  .sheet-frame { transition: none !important; }
}

/* ---------------------------------------------------------------- withdrawal */

.key-panel {
  margin-top: calc(var(--sp) * 6);
  padding: calc(var(--sp) * 5);
  border: 1px solid rgba(50, 197, 193, 0.35);
  background: rgba(50, 197, 193, 0.04);
}

.key-panel[hidden] { display: none; }

.key-kicker {
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--accent);
}

.key-value {
  display: block;
  margin: calc(var(--sp) * 3) 0;
  font-family: inherit;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--text);
  word-break: break-all;
  user-select: all;
}

.key-note {
  font-size: 10px;
  line-height: 1.7;
  color: var(--faint);
  margin: 0 0 calc(var(--sp) * 4);
  max-width: 44ch;
}

.key-copy {
  font: inherit;
  font-size: 9px;
  letter-spacing: 0.2em;
  padding: calc(var(--sp) * 2.5) calc(var(--sp) * 4);
  background: none;
  border: 1px solid var(--line-bright);
  color: var(--dim);
  cursor: pointer;
}

.key-copy:hover { color: var(--text); border-color: var(--text); }

.reg-withdraw {
  max-width: 1400px;
  margin: calc(var(--sp) * 6) auto 0;
  padding: 0 calc(var(--sp) * 10);
}

.withdraw-open {
  font: inherit;
  font-size: 9px;
  letter-spacing: 0.2em;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line-bright);
  padding: 0 0 calc(var(--sp) * 1.5);
  color: var(--faint);
  cursor: pointer;
}

.withdraw-open:hover { color: var(--dim); border-color: var(--dim); }

.modal-box label {
  margin-top: calc(var(--sp) * 5);
  color: var(--faint);
}

.modal-box input {
  display: block;
  width: 100%;
  margin-top: calc(var(--sp) * 2);
  padding: calc(var(--sp) * 3) calc(var(--sp) * 3);
  background: #050606;
  border: 1px solid var(--line-bright);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  letter-spacing: 0.06em;
  outline: none;
}

.modal-box input:focus { border-color: rgba(50, 197, 193, 0.55); }

.modal-box input::placeholder { color: var(--faint); letter-spacing: 0.02em; }

.modal-box #w-status { margin-top: calc(var(--sp) * 5); }

.card-stone {
  cursor: pointer;
  border-style: dashed;
  border-color: #2b3232;
  background: #0d1011;
}

.card-stone:hover { transform: none; border-color: #3a4342; }

.card-stone .info { justify-content: space-between; }

.card-stone .name { color: var(--dim); letter-spacing: 0.18em; font-size: 10px; }

.card-stone canvas { opacity: 1; background: #0d1011; border-bottom: 1px dashed #2b3232; }