/*
  $JAPAN | Japan Coin — Styles
  Visual motifs: pixelation, censor bars, glitch. Red/white/black with neon accents.
*/

:root {
  --red: #e71d36;
  --white: #ffffff;
  --black: #0a0a0a;
  --pink: #ff2a6d;
  --cyan: #2af5ff;
  --gray: #777;
  --container-max: 1200px;
  --space-1: 6px;
  --space-2: 10px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 36px;
  --radius-1: 8px;
  --radius-2: 12px;
}

* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  background: var(--black);
  color: var(--white);
}
body {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Japanese text helpers */
.jp {
  display: block;
  color: var(--gray);
  font-size: 0.95em;
  letter-spacing: 0.02em;
}
.jp-inline {
  color: var(--gray);
  font-size: 0.85em;
  margin-left: 8px;
}

/* Language switch animation */
.swap-fx {
  animation: swapFX 420ms ease;
}
@keyframes swapFX {
  0% {
    filter: blur(2px);
    opacity: 0.4;
    transform: translateY(2px);
  }
  50% {
    filter: blur(1px);
    opacity: 0.7;
  }
  100% {
    filter: none;
    opacity: 1;
    transform: translateY(0);
  }
}

img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--white);
  text-decoration: none;
}

#statusText {
  display: none !important;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* Top fake warning */
.top-warning {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  gap: var(--space-2);
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(180deg, #0d0d0d, #0a0a0a);
  border-bottom: 1px solid #222;
  font-size: 14px;
}
.top-warning .stamp {
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--red);
  border: 2px solid var(--red);
  padding: 2px 6px;
  transform: rotate(-5deg);
  display: inline-block;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: center;
  justify-items: center;
  padding: 72px var(--space-4) 40px;
  border-bottom: 1px solid #222;
}
.hero-text {
  text-align: center;
}

.hero-banner {
  height: 40vh;
  object-fit: cover;
}
.hero-text h1 {
  font-family: "Anton", sans-serif;
  font-size: clamp(48px, 6vw, 92px);
  margin: 0;
  line-height: 0.95;
  color: var(--white);
}
.hero-text .sub {
  font-size: clamp(18px, 2.2vw, 26px);
  color: var(--gray);
  margin: var(--space-2) 0 var(--space-3);
}
.hero-text .tagline {
  font-size: clamp(16px, 2vw, 22px);
  color: var(--pink);
  margin-bottom: var(--space-3);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
  justify-content: center;
}
.btn {
  padding: 12px 18px;
  border: 1.5px solid #2a2a2a;
  border-radius: var(--radius-2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  transition: transform 0.18s ease, box-shadow 0.18s ease,
    border-color 0.18s ease;
}
.btn.primary {
  background: var(--red);
  color: var(--white);
}
.btn.dark {
  background: #111;
  color: var(--white);
  border-color: #333;
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(255, 42, 109, 0.2);
  border-color: #444;
}
.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(234, 29, 54, 0.35);
}
.btn.disabled {
  opacity: 0.4;
  pointer-events: none;
}

.hero-visual {
  position: relative;
}
#heroCanvas {
  width: 100%;
  height: auto;
  background: #0d0d0d;
  border: 1px solid #222;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), inset 0 0 0 2px #000;
  image-rendering: pixelated;
}

/* Glitch effect */
.glitch {
  position: relative;
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  overflow: hidden;
}
.glitch::before {
  color: var(--cyan);
  animation: glitch 2.2s infinite linear alternate-reverse;
  clip-path: polygon(0 10%, 100% 0, 100% 30%, 0 40%);
}
.glitch::after {
  color: var(--pink);
  animation: glitch 1.7s infinite linear alternate;
  clip-path: polygon(0 60%, 100% 50%, 100% 80%, 0 90%);
}
@keyframes glitch {
  0% {
    transform: translate(0, 0);
    opacity: 0.7;
  }
  50% {
    transform: translate(2px, -2px);
    opacity: 0.5;
  }
  100% {
    transform: translate(-2px, 2px);
    opacity: 0.7;
  }
}

/* Lore */
.lore {
  padding: 48px 0 24px;
}
.lore h3 {
  font-family: "Anton", sans-serif;
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: var(--space-2);
  text-align: center;
}
.lore-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.lore-grid p {
  background: #111;
  border: 1px solid #222;
  padding: var(--space-3);
  border-radius: var(--radius-2);
  text-align: center;
}

/* Gallery */
.gallery {
  padding: 56px 0;
}
.gallery h3 {
  font-family: "Anton", sans-serif;
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: var(--space-1);
  text-align: center;
}
.gallery .gallery-note {
  color: var(--gray);
  margin-bottom: var(--space-3);
  text-align: center;
}
/* Masonry layout using CSS columns to avoid cropping */
.masonry {
  column-count: 3;
  column-gap: var(--space-3);
}
.masonry .tile {
  break-inside: avoid;
  margin-bottom: var(--space-3);
}
.tile {
  position: relative;
  overflow: hidden;
  border: 1px solid #222;
  border-radius: 14px;
  background: #0d0d0d;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  cursor: pointer;
}
.tile img {
  width: 100%;
  height: auto;
  /* filter: blur(2px) contrast(1.1); */
}
.tile:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.35);
}
.tile .censor-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  /* background-image: linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.24) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(0, 0, 0, 0.24) 1px, transparent 1px); */
  background-size: 12px 12px, 12px 12px;
  mix-blend-mode: multiply;
}
.tile::after {
  /* big censor bar */
  content: "CENSORED | 検閲済み";
  position: absolute;
  left: 10px;
  bottom: 10px;
  background: var(--black);
  color: var(--white);
  font-weight: 800;
  letter-spacing: 1px;
  padding: 4px 8px;
  border: 2px solid #333;
  transform: rotate(-4deg);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(2px);
  z-index: 100;
}
.modal.open {
  display: grid;
}
.modal-content {
  position: relative;
  width: min(900px, 90vw);
  background: #0d0d0d;
  border: 1px solid #333;
  border-radius: 16px;
  padding: var(--space-3);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
}
.modal-close {
  position: absolute;
  right: var(--space-2);
  top: var(--space-2);
  background: #111;
  color: var(--white);
  border: 1px solid #333;
  border-radius: 10px;
  padding: 6px 10px;
  cursor: pointer;
}
#modalCanvas {
  width: 100%;
  height: auto;
  background: #111;
  image-rendering: pixelated;
  border: 1px solid #222;
  border-radius: 12px;
}
.modal-warning {
  text-align: center;
  color: var(--gray);
  margin-top: 10px;
}

/* Tool */
.tool {
  padding: 56px 0;
  border-top: 1px solid #222;
}
.tool h3 {
  font-family: "Anton", sans-serif;
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: var(--space-1);
  text-align: center;
}
.tool-sub {
  color: var(--gray);
  margin-bottom: var(--space-3);
  text-align: center;
}
.tool-steps {
  max-width: 760px;
  margin: 0 auto var(--space-3);
  color: var(--gray);
  padding-left: 18px;
}
.tool-steps li {
  margin: 4px 0;
}
.controls {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr auto;
  gap: var(--space-3);
  align-items: end;
}
.draw-controls {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  justify-content: center;
}

/* Desktop layout: place controls left of canvas in Japanify section */
@media (min-width: 900px) {
  .tool .container {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: var(--space-4);
    align-items: start;
  }
  .tool .container .tool-steps {
    grid-column: 1 / -1;
    text-align: center;
  }
  .tool .container .controls {
    grid-column: 1;
    position: sticky;
    top: 16px;
  }
  .tool .container .canvas-wrap {
    grid-column: 2;
  }
}
.controls {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr auto;
  gap: var(--space-3);
  align-items: end;
}
.draw-controls {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  justify-content: center;
  margin: var(--space-3) 0 var(--space-2);
}
.slider.small {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.95em;
}
.controls .file,
.controls .slider {
  display: grid;
  gap: var(--space-2);
  background: #111;
  border: 1px solid #222;
  padding: var(--space-3);
  border-radius: var(--radius-2);
}
.controls input[type="file"] {
  width: 100%;
}
.controls input[type="range"] {
  width: 100%;
}
.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--gray);
}
.status {
  align-self: center;
  color: var(--pink);
  font-weight: 600;
}
.canvas-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-3);
  margin-top: var(--space-3);
  align-items: start;
}
.canvas-area {
  position: relative;
}
#outputCanvas {
  width: 100%;
  height: auto;
  image-rendering: pixelated;
  border: 1px solid #222;
  background: #111;
  border-radius: 12px;
}
#paintCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  pointer-events: none;
  touch-action: none;
}
#indicatorCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  pointer-events: none;
}
#paintCanvas.active {
  pointer-events: auto;
  cursor: crosshair;
}

/* How It Works */
.how {
  padding: 56px 0;
}
.how h3 {
  font-family: "Anton", sans-serif;
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: var(--space-1);
  text-align: center;
}
.steps .step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.step {
  background: #111;
  border: 1px solid #222;
  padding: var(--space-1);
  border-radius: 14px;
  text-align: center;
}
.step .num {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  margin: var(--space-2) auto 0;
  border: 2px solid var(--red);
  color: var(--red);
  font-weight: 800;
  border-radius: 999px;
}

/* Footer */
.footer {
  border-top: 1px solid #222;
  padding: 28px 0;
}
.footer .container {
  text-align: center;
}
.brand {
  display: flex;
  gap: 8px;
  align-items: baseline;
}
.brand {
  justify-content: center;
}
.brand strong {
  font-family: "Anton", sans-serif;
  font-size: 28px;
}
.brand span {
  color: var(--gray);
}
.disclaimer {
  color: var(--gray);
  margin: 8px 0;
}
.social {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
}
.social a {
  background: #111;
  border: 1px solid #333;
  padding: 8px 12px;
  border-radius: 999px;
}

/* Responsive */
@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .masonry {
    column-count: 2;
  }
  .lore-grid {
    grid-template-columns: 1fr 1fr;
  }
  .controls {
    grid-template-columns: 1fr;
  }
  .canvas-wrap {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .hero-banner {
    height: 20vh;
    object-fit: cover;
  }

  .steps .step-grid {
    grid-template-columns: repeat(1, 1fr);
  }
  .masonry {
    column-count: 1;
  }
  .lore-grid {
    grid-template-columns: 1fr;
  }
  /* Contract Address: stack elements on mobile, button on next line */
  .ca-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    row-gap: var(--space-2);
    width: 100%;
  }
  .ca-card code {
    width: 100%;
    text-align: center;
  }
  .copy-btn {
    width: 100%;
    justify-content: center;
  }
  .copy-status {
    display: block;
    min-height: 20px;
  }
}
.contract {
  padding: 40px 0;
  border-top: 1px solid #222;
}
.contract h3 {
  font-family: "Anton", sans-serif;
  font-size: clamp(24px, 3vw, 34px);
  margin-bottom: var(--space-2);
  text-align: center;
}
.ca-card {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background: #111;
  border: 1px solid #222;
  padding: var(--space-3) var(--space-4);
  border-radius: 14px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
}
.ca-card {
  max-width: 100%;
}
.contract .container {
  text-align: center;
}
.ca-card code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  font-size: 14px;
  color: var(--white);
  background: #0d0d0d;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #222;
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.copy-label {
  font-weight: 700;
}
.copy-status {
  min-width: 80px;
  color: var(--pink);
  font-weight: 700;
}
.ca-sub {
  color: var(--gray);
  margin-top: var(--space-2);
}