@font-face {
  font-family: 'Geist Pixel';
  src: url('/GeistPixel-Square.ttf') format('truetype'),
       url('/public/GeistPixel-Square.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --font-display: 'Geist Sans', 'Geist', -apple-system, sans-serif;
  --font-body: 'Geist Sans', 'Geist', -apple-system, sans-serif;
  --black: #1a1a1a;
  --gray-100: #f5f5f5;
  --gray-200: #e8e8e8;
  --gray-300: #d4d4d4;
  --gray-400: #a3a3a3;
  --gray-500: #737373;
  --white: #ffffff;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--white);
  font-family: var(--font-body);
  clip-path: inset(0);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
}

/* ========== Navbar ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 24px;
  pointer-events: none;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: auto;
  color: var(--black);
}

.logo-mark {
  position: relative;
  width: 19px;
  height: 24px;
  flex-shrink: 0;
}

.logo-dot {
  position: absolute;
  width: 4px;
  height: 4px;
  background: currentColor;
  border-radius: 0;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.logo-text {
  font-family: 'Geist Pixel', 'Geist Mono', monospace;
  font-size: 24px;
  font-weight: 400;
  color: inherit;
  letter-spacing: 0.02em;
  line-height: 1;
  position: relative;
  top: -2px;
}

/* Toggle — hidden on desktop */
.controls-toggle {
  display: none;
}

/* Export button in toolbar */
.control-export {
  padding: 6px 14px;
  border: none;
  border-left: 1px solid var(--gray-200);
  border-radius: 0 7px 7px 0;
  background: var(--black);
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--white);
  cursor: pointer;
  transition: opacity 0.15s;
  white-space: nowrap;
}

.control-export:hover {
  opacity: 0.85;
}

.control-export:active {
  opacity: 0.7;
}

/* ========== Hamburger (pixelated) ========== */
.hamburger {
  position: absolute;
  right: 24px;
  top: -6px;
  bottom: 0;
  display: flex;
  align-items: center;
  border: none;
  background: none;
  cursor: pointer;
  pointer-events: auto;
  padding: 6px;
}

.hamburger-grid {
  display: grid;
  grid-template-columns: repeat(4, 3px);
  grid-template-rows: repeat(3, 3px);
  gap: 4px 3px;
}

.hamburger-grid i {
  display: block;
  width: 3px;
  height: 3px;
  background: var(--black);
  border-radius: 0;
  transition: background 0.15s;
}

.hamburger:hover .hamburger-grid i {
  background: var(--gray-500);
}

/* ========== Menu modal ========== */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(6px);
  transition: opacity 0.2s;
}

.menu-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.menu-modal {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 95;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  padding: 12px;
  min-width: 220px;
  transition: opacity 0.2s, transform 0.2s;
  transform-origin: top right;
}

.menu-modal.hidden {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
}

.menu-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 10;
  border: none;
  background: none;
  color: var(--gray-300);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-close:hover {
  color: var(--black);
}

.menu-links {
  display: flex;
  flex-direction: column;
  padding-top: 20px;
}

.menu-links a {
  font-family: 'Geist Pixel', 'Geist Mono', monospace;
  font-size: 24px;
  font-weight: 400;
  color: var(--black);
  text-decoration: none;
  padding: 12px 16px;
  display: block;
}

.menu-links a span {
  position: relative;
  display: inline-block;
}

.menu-links a span::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  background: repeating-linear-gradient(
    to right,
    var(--black) 0px, var(--black) 3px,
    transparent 3px, transparent 6px
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.menu-links a:hover span::after {
  transform: scaleX(1);
}

/* ========== Subpages ========== */
.page {
  max-width: 600px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.page-back {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--gray-400);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 24px;
}

.page-back:hover {
  color: var(--black);
}

.page-title {
  font-family: 'Geist Pixel', 'Geist Mono', monospace;
  font-size: 32px;
  font-weight: 400;
  color: var(--black);
  margin-bottom: 8px;
}

.page-desc {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.5;
  margin-bottom: 24px;
}

.page-desc a {
  color: var(--black);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-desc a:hover {
  opacity: 0.7;
}

.page-subdesc {
  font-size: 0.82rem;
  color: var(--gray-400);
  line-height: 1.5;
}

/* Examples grid */
.examples-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.example-card {
  padding: 40px 16px;
  background: var(--gray-100);
  border-radius: 8px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--gray-400);
  grid-column: span 2;
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid var(--gray-200);
}

.faq-item summary {
  padding: 14px 0;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--black);
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: '+';
  display: inline-block;
  width: 16px;
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--gray-400);
  margin-right: 8px;
}

.faq-item[open] summary::before {
  content: '\2212';
}

.faq-item p {
  font-size: 0.82rem;
  color: var(--gray-500);
  line-height: 1.6;
  padding: 0 0 14px 24px;
}

/* ========== Upload overlay ========== */
.upload-overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.upload-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.upload-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 56px 72px;
  border: 2px dashed var(--gray-300);
  border-radius: 20px;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.2s;
}

.upload-box:hover,
.upload-box.dragover {
  border-color: var(--black);
}

.upload-icon {
  color: var(--gray-400);
  margin-bottom: 4px;
}

.upload-box h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--black);
}

.upload-box p {
  font-size: 0.88rem;
  color: var(--gray-500);
}

.upload-hint {
  font-size: 0.75rem !important;
  color: var(--gray-400) !important;
  margin-top: 2px;
}

/* ========== Floating controls (Figma-style panel) ========== */
.controls {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 0;
  background: var(--white);
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  box-shadow: 0 1px 8px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.04);
  overflow: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.controls.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Upload button */
.control-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  border: none;
  border-right: 1px solid var(--gray-200);
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  color: var(--gray-500);
  transition: background 0.1s, color 0.1s;
}

.control-btn:first-child {
  border-radius: 7px 0 0 7px;
}

.control-btn:hover {
  background: var(--gray-100);
  color: var(--black);
}

.control-btn:active {
  background: var(--gray-200);
}

/* Slider groups */
.control-slider {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  min-width: 80px;
  padding: 8px 12px;
  border-right: 1px solid var(--gray-200);
}

.control-slider label {
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--gray-400);
  letter-spacing: 0.02em;
  line-height: 1;
}

.control-slider input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 2px;
  border-radius: 1px;
  outline: none;
  cursor: pointer;
  background: var(--gray-300);
}

.control-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--black);
  cursor: pointer;
  border: none;
}

.control-slider input[type="range"]::-webkit-slider-thumb:hover {
  background: #000;
}

/* Firefox */
.control-slider input[type="range"]::-moz-range-thumb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--black);
  cursor: pointer;
  border: none;
}

.control-slider input[type="range"]::-moz-range-track {
  height: 2px;
  border-radius: 1px;
  background: var(--gray-300);
}

/* Color picker */
.control-color {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 8px 12px;
}

.control-color label {
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--gray-400);
  letter-spacing: 0.02em;
  line-height: 1;
}

.control-color input[type="color"] {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  padding: 2px;
  cursor: pointer;
  background: none;
}

.control-color input[type="color"]:hover {
  border-color: var(--gray-400);
}

.control-color input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

.control-color input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 2px;
}

.color-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.color-row input[type="text"] {
  width: 52px;
  padding: 4px 6px;
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  font-size: 0.68rem;
  font-family: 'Geist Mono', monospace;
  color: var(--black);
  outline: none;
}

.color-row input[type="text"]:focus {
  border-color: var(--black);
}

/* ========== Export modal ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.modal {
  background: var(--white);
  border-radius: 20px;
  padding: 28px 30px;
  width: 380px;
  max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.modal h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--black);
  margin: 0;
}

.modal-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--black);
}

.modal-toggle input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--black);
  cursor: pointer;
}

.modal-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.modal-field label {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.modal-field input[type="text"] {
  padding: 10px 14px;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  font-size: 0.85rem;
  font-family: var(--font-body);
  color: var(--black);
  outline: none;
  transition: border-color 0.15s;
}

.modal-field input[type="text"]:focus {
  border-color: var(--black);
}

.modal-hint {
  font-size: 0.68rem;
  color: var(--gray-400);
  line-height: 1.3;
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.modal-btn {
  flex: 1;
  padding: 11px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  transition: opacity 0.12s;
}

.modal-btn.secondary {
  background: var(--gray-100);
  color: var(--gray-500);
}

.modal-btn.secondary:hover {
  background: var(--gray-200);
  color: var(--black);
}

.modal-btn.primary {
  background: var(--black);
  color: var(--white);
}

.modal-btn.primary:hover {
  opacity: 0.85;
}

.modal-btn.primary.copied {
  background: #16a34a;
}

/* ========== Responsive ========== */
@media (max-width: 600px) {
  .navbar {
    padding: 12px 16px;
  }

  .logo-text {
    font-size: 20px;
  }

  .menu-modal {
    right: 10px;
    top: 10px;
  }

  .upload-box {
    padding: 44px 28px;
  }

  .upload-box h2 {
    font-size: 1rem;
  }

  /* Toggle handle — only visible on mobile */
  .controls-toggle {
    display: flex;
    grid-column: span 2;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    padding: 8px 0 6px;
    cursor: pointer;
    width: 100%;
  }

  .toggle-handle {
    width: 36px;
    height: 4px;
    border-radius: 2px;
    background: var(--gray-300);
    transition: background 0.15s;
  }

  .controls-toggle:hover .toggle-handle {
    background: var(--gray-400);
  }

  /* Collapsed state — slide down, only handle peeks up */
  .controls.collapsed {
    transform: translateY(calc(100% + 1rem - 28px));
  }

  .controls.collapsed .controls-toggle {
    display: flex;
  }

  /* Mobile controls: bottom sheet */
  .controls {
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    transform: none;
    border-radius: 14px;
    border: 1px solid var(--gray-200);
    box-shadow: 0 -4px 24px rgba(0,0,0,0.1);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 0;
    max-width: 100%;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  }

  /* Upload button: full width row with text */
  .control-btn {
    grid-column: span 2;
    border: none;
    border-bottom: 1px solid var(--gray-200);
    border-radius: 13px 13px 0 0;
    width: 100%;
    height: auto;
    padding: 12px 16px;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-500);
  }

  .control-btn::after {
    content: 'Upload Image';
  }

  /* All sliders same size, 2-col grid */
  .control-slider {
    padding: 14px 16px;
    border-right: none;
    min-width: 0;
    gap: 10px;
  }

  .control-slider label {
    font-size: 0.65rem;
  }

  .control-slider input[type="range"] {
    height: 6px;
  }

  .control-slider input[type="range"]::-webkit-slider-thumb {
    width: 20px;
    height: 20px;
    border: 3px solid var(--white);
  }

  /* Color picker — row layout on mobile */
  .control-color {
    grid-column: auto;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
  }

  .control-color input[type="color"] {
    width: 28px;
    height: 28px;
  }

  /* Export button full width bottom */
  .control-export {
    grid-column: span 2;
    border-left: none;
    border-radius: 0 0 13px 13px;
    border-top: 1px solid var(--gray-200);
    width: 100%;
    padding: 14px 16px;
    font-size: 0.82rem;
    text-align: center;
  }
}