:root {
  --bg: #ece7dc;
  --panel: rgba(255, 255, 255, 0.94);
  --panel-border: rgba(51, 40, 29, 0.18);
  --ink: #21180f;
  --muted: #5f5042;
  --accent: #db4f27;
  --accent-2: #2f6d6b;
  --ok: #2d7f49;
  --radius: 16px;
  --shadow: 0 20px 40px rgba(39, 22, 3, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #181614;
    --panel: rgba(34, 31, 28, 0.95);
    --panel-border: rgba(255, 235, 205, 0.1);
    --ink: #f6ebd8;
    --muted: #cfbfa9;
    --accent: #fd7f5a;
    --accent-2: #72b5b2;
    --ok: #59cc7b;
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #efeadf 0%, #e8e2d6 100%);
  color: var(--ink);
}

.bg-orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(60px);
  opacity: 0.12;
  pointer-events: none;
  z-index: -1;
}

.orb-a {
  width: 360px;
  height: 360px;
  right: -100px;
  top: 10%;
  background: #d88f61;
  animation: driftA 14s ease-in-out infinite;
}

.orb-b {
  width: 320px;
  height: 320px;
  left: -80px;
  bottom: 0;
  background: #5b918d;
  animation: driftB 16s ease-in-out infinite;
}

@keyframes driftA {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(20px);
  }
}

@keyframes driftB {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-24px);
  }
}

.app-shell {
  width: min(1180px, 95vw);
  margin: 32px auto 60px;
  display: grid;
  gap: 18px;
}

.hero {
  padding: 8px 4px;
}

.eyebrow {
  margin: 0;
  color: var(--accent-2);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1 {
  margin: 6px 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.05;
}

.hero-copy {
  margin: 0;
  max-width: 70ch;
  color: var(--muted);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  padding: 18px;
}

.panel-head {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

h2,
h3 {
  margin: 0;
  font-weight: 700;
}

.status-pill {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  border: 1px solid var(--panel-border);
  color: var(--muted);
}

.file-drop {
  display: grid;
  gap: 6px;
  border: 2px dashed color-mix(in oklab, var(--accent) 55%, #ffffff 45%);
  border-radius: 12px;
  padding: 24px;
  cursor: pointer;
}

.file-drop input {
  display: none;
}

.file-drop span {
  color: var(--muted);
}

.hint-row {
  margin-top: 12px;
  color: var(--muted);
  min-height: 1.2em;
}

.controls-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

select,
input,
button {
  font: inherit;
}

select,
input[type="number"] {
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
}

@media (prefers-color-scheme: dark) {
  select,
  input[type="number"] {
    background: rgba(20, 20, 20, 0.45);
  }
}

.inline-actions,
.editor-toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.editor-toolbar {
  margin: 14px 0 10px;
}

.btn {
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
}

.btn.solid {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.btn.ghost,
.download {
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
}

@media (prefers-color-scheme: dark) {
  body {
    background: linear-gradient(180deg, #1a1715 0%, #151311 100%);
  }

  .btn.ghost,
  .download {
    background: rgba(40, 36, 33, 0.92);
  }
}

.download {
  text-decoration: none;
  display: inline-block;
  margin-top: 12px;
}

.editor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 16px;
  margin-top: 14px;
  align-items: start;
}

.bottom-apply-row {
  margin-top: 12px;
  display: flex;
  justify-content: flex-end;
}

.canvas-wrap {
  background: rgba(255, 255, 255, 0.55);
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  padding: 12px;
  max-height: 74vh;
  overflow: hidden;
}


#page-canvas {
  display: block;
  margin: 0 auto;
  background: #fff;
  border-radius: 8px;
  touch-action: none;
}

.summary-box {
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 10px;
}

.summary-box p {
  margin-top: 8px;
  min-height: 2.5em;
}

.stats-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: grid;
  gap: 8px;
}

.stats-list li {
  display: flex;
  justify-content: space-between;
  border-top: 1px dashed var(--panel-border);
  padding-top: 6px;
}

.footer-note {
  color: var(--muted);
  font-size: 0.84rem;
  text-align: center;
}

@media (max-width: 920px) {
  .editor-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .panel {
    padding: 14px;
  }

  .panel-head {
    flex-direction: column;
    align-items: flex-start;
  }

}

.workflow-note {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 0.96rem;
  line-height: 1.5;
  background: color-mix(in oklab, var(--panel) 86%, #f0e7d9 14%);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 10px 12px;
}

.workflow-steps {
  margin: 8px 0 0 18px;
  padding: 0;
}

.workflow-steps li {
  margin: 4px 0;
}

.workflow-tip {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

.mini-help {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

#apply-grid-btn:disabled,
#export-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}


#template-readout {
  min-height: 1.5em;
  color: var(--muted);
  font-size: 0.86rem;
}

.zip-btn {
  position: relative;
  overflow: hidden;
  min-width: 170px;
}

.zip-btn .zip-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: rgba(255, 255, 255, 0.25);
}

.zip-btn .zip-progress #export-progress-fill {
  display: block;
  width: 0%;
  height: 100%;
  background: #fff;
  transition: width 120ms linear;
}

.zip-btn.in-progress {
  filter: saturate(0.9);
}

.download.ready {
  background: var(--ok);
  color: #fff;
  border-color: transparent;
}

.export-option {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0 12px;
  font-size: 0.92rem;
  color: var(--muted);
}

.export-option input {
  width: 16px;
  height: 16px;
}

#calibration-readout {
  min-height: 1.5em;
  color: var(--muted);
  font-size: 0.86rem;
}