/* ============================================================
   InkFlow — Sadapanna theme (playful purple & yellow)
   Headings/body: Poppins · Accent: Caveat · Wordmark: Madimi One
   ============================================================ */

@font-face {
  font-family: "Madimi One";
  src: url("assets/madimi-one-latin.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Poppins";
  src: url("assets/poppins-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Poppins";
  src: url("assets/poppins-600.woff2") format("woff2");
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Caveat";
  src: url("assets/caveat-600.woff2") format("woff2");
  font-weight: 600 700; font-style: normal; font-display: swap;
}

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

:root {
  --white: #ffffff;
  --ink: #1d1b26;
  --ink-soft: #5c5871;
  --purple: #6b4eff;
  --purple-deep: #5638e6;
  --lavender: #e9e3ff;
  --lavender-soft: #f4f1ff;
  --yellow: #ffc736;
  --yellow-soft: #ffe9ad;
  --border: #e4defc;
  --radius: 20px;
  --radius-pill: 999px;
  --sans: "Poppins", -apple-system, "Segoe UI", sans-serif;
  --hand: "Caveat", "Comic Sans MS", cursive;
  --brand: "Madimi One", "Poppins", sans-serif;
  font-size: 15px;
}

body {
  background: var(--lavender-soft);
  color: var(--ink);
  font-family: var(--sans);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--yellow); color: var(--ink); }

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 22px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  transition: transform .18s ease;
}
.brand:hover { transform: translateY(-1px); }
.brand-icon { height: 34px; width: auto; border-radius: 0; display: block; }
.brand-word {
  font-family: var(--brand);
  font-size: 1.3rem;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: .01em;
  color: var(--ink);
}
.app-tag { display: flex; align-items: center; gap: 10px; }
.app-tag-pill {
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: var(--lavender);
  color: var(--purple-deep);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13px;
}
.app-tag-sub {
  font-family: var(--hand);
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.1;
  display: none;
}
@media (min-width: 560px) {
  .app-tag-sub { display: inline; }
}
.topbar-actions { display: flex; gap: 10px; }

/* ---------- buttons ---------- */
.btn {
  border: 2px solid var(--lavender);
  background: var(--white);
  color: var(--ink);
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .12s, background .15s, border-color .15s, box-shadow .15s;
}
.btn:hover { border-color: var(--purple); transform: translateY(-1px); }
.btn.primary {
  background: var(--purple); border-color: var(--purple); color: #fff;
  box-shadow: 0 6px 16px rgba(107, 78, 255, .28);
}
.btn.primary:hover { background: var(--purple-deep); border-color: var(--purple-deep); }
.btn.ghost { background: transparent; }
.btn.icon { padding: 8px 13px; font-size: 15px; line-height: 1; }
.btn:disabled { opacity: .5; cursor: default; transform: none; }
.linklike {
  background: none; border: none; color: var(--purple);
  cursor: pointer; font-size: inherit; font-family: inherit;
  text-decoration: underline;
}

/* ---------- layout ---------- */
.layout {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 18px;
  padding: 18px 22px;
  max-width: 1500px;
  margin: 0 auto;
  align-items: start;
}
/* (mobile layout rules live at the end of this file so they win the cascade) */

.panel { display: flex; flex-direction: column; gap: 14px; }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 4px 18px rgba(107, 78, 255, .06);
}
.card h2 {
  font-size: 11.5px; text-transform: uppercase; letter-spacing: 1.6px;
  color: var(--purple); margin-bottom: 12px; font-weight: 600;
}

/* ---------- fields ---------- */
.field { margin-bottom: 12px; }
.field:last-child { margin-bottom: 0; }
.field > label {
  display: flex; justify-content: flex-start; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--ink);
}
.field output {
  color: var(--purple); font-weight: 700; font-size: 12.5px;
  margin-left: auto; /* value stays right-aligned, reset dot sits after it */
}
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

input[type="text"], textarea, select {
  width: 100%;
  background: var(--lavender-soft);
  border: 2px solid transparent;
  color: var(--ink);
  border-radius: 12px;
  padding: 9px 12px;
  font-family: var(--sans);
  font-size: 14px;
  outline: none;
  transition: border-color .15s, background .15s;
}
textarea { resize: vertical; min-height: 42px; line-height: 1.5; }
input[type="text"]:focus, textarea:focus, select:focus { border-color: var(--purple); background: var(--white); }

/* color inputs: the swatch IS the box — no border, no padding */
input[type="color"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%; height: 38px;
  border: none; padding: 0;
  border-radius: 12px;
  background: none;
  cursor: pointer;
  overflow: hidden;
}
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
/* subtle inner border keeps the swatch visible when the color matches the page */
input[type="color"]::-webkit-color-swatch {
  border: 2px solid rgba(29, 27, 38, .12);
  border-radius: 12px;
}
input[type="color"]::-moz-color-swatch {
  border: 2px solid rgba(29, 27, 38, .12);
  border-radius: 12px;
}

input[type="range"] { width: 100%; accent-color: var(--purple); cursor: pointer; }

.hint { font-size: 11.5px; color: var(--ink-soft); margin-top: 5px; line-height: 1.5; }
.warn {
  font-size: 12px; color: #8a6100; margin-top: 6px;
  background: var(--yellow-soft); border-radius: 8px; padding: 6px 10px;
}

/* ---------- mode switch: each card IS a looping demo of its style ------- */
.mode-grid { display: grid; grid-template-columns: 1fr; gap: 8px; }
.mode-card {
  background: var(--lavender-soft);
  border: 2px solid transparent;
  border-radius: 14px;
  padding: 8px 12px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.mode-card:hover { border-color: var(--lavender); }
.mode-card.active { border-color: var(--purple); background: var(--lavender); }
.mode-mini {
  height: 46px;
  pointer-events: none;
  display: flex; align-items: center; justify-content: center;
}
.mode-mini svg { max-height: 100%; max-width: 100%; }

/* ---------- segmented control ---------- */
.seg {
  display: flex; background: var(--lavender-soft);
  border-radius: var(--radius-pill); overflow: hidden; padding: 3px; gap: 3px;
}
.seg-btn {
  flex: 1 1 0; background: none; border: none; color: var(--ink-soft);
  padding: 7px 6px; font-size: 12.5px; font-weight: 600; cursor: pointer;
  font-family: var(--sans);
  border-radius: var(--radius-pill);
  text-align: center;
  transition: background .15s, color .15s;
}
.seg-btn.active { background: var(--purple); color: #fff; }
.seg-lg .seg-btn { padding: 10px 8px; font-size: 13.5px; }

/* ---------- easing live preview ---------- */
.easing-row { display: flex; gap: 10px; align-items: stretch; }
.easing-row select { flex: 1; }
.ease-demo {
  flex: 0 0 84px;
  background: var(--lavender-soft);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}
.ease-dot {
  position: absolute;
  top: 50%; left: 10px;
  width: 12px; height: 12px; margin-top: -6px;
  border-radius: 50%;
  background: var(--purple);
  animation: easeDemo 1.8s infinite;
}
@keyframes easeDemo {
  0%        { transform: translateX(0); }
  65%, 100% { transform: translateX(52px); }
}

/* ---------- slider reset dot (DaVinci-style back-to-default) ---------- */
.reset-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--yellow);
  cursor: pointer;
  margin-left: 8px;
  padding: 0;
  opacity: 0; pointer-events: none;
  transition: opacity .15s, transform .12s;
  flex: none;
}
.reset-dot.visible { opacity: 1; pointer-events: auto; }
.reset-dot:hover { transform: scale(1.35); }

/* ---------- collapsed advanced sections ---------- */
details.adv { margin-top: 10px; }
details.adv summary {
  cursor: pointer;
  font-size: 12.5px; font-weight: 600;
  color: var(--purple);
  padding: 6px 0;
  list-style: none;
  user-select: none;
}
details.adv summary::before { content: "▸ "; }
details.adv[open] summary::before { content: "▾ "; }
details.adv summary::-webkit-details-marker { display: none; }
details.adv > *:not(summary) { margin-top: 8px; }

.bg-row { display: flex; gap: 10px; align-items: center; }
.bg-row .seg { flex: 1; }
.bg-row input[type="color"] { width: 52px; flex: none; }

/* ---------- dropzone ---------- */
.dropzone {
  margin-top: 8px;
  border: 2px dashed var(--lavender);
  border-radius: 14px;
  padding: 14px;
  text-align: center;
  font-size: 12.5px;
  color: var(--ink-soft);
  transition: border-color .15s, background .15s;
  line-height: 1.55;
}
.dropzone.dragover { border-color: var(--purple); background: var(--lavender-soft); }

/* ---------- preview (sticky on wide screens: visible while tweaking) ----- */
.preview-area { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
@media (min-width: 901px) {
  .preview-area { position: sticky; top: 84px; }
}
.stage-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex; align-items: center; justify-content: center;
  min-height: 300px;
  max-height: 52vh;
  box-shadow: 0 4px 18px rgba(107, 78, 255, .06);
}
.stage-wrap .stage { max-height: calc(52vh - 40px); }
#lottie-box svg { max-height: calc(52vh - 40px); width: auto; }
.stage {
  border-radius: 12px;
  max-width: 100%;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.stage.checker {
  background-image:
    linear-gradient(45deg, #e9e3ff99 25%, transparent 25%, transparent 75%, #e9e3ff99 75%),
    linear-gradient(45deg, #e9e3ff99 25%, transparent 25%, transparent 75%, #e9e3ff99 75%);
  background-color: #faf9ff;
  background-size: 22px 22px;
  background-position: 0 0, 11px 11px;
}
#lottie-box { max-width: 100%; }
#lottie-box svg { display: block; max-width: 100%; height: auto; }

/* ---------- player ---------- */
.player {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px;
}
.scrub { flex: 1; min-width: 140px; }
.time { font-size: 12px; color: var(--ink-soft); font-variant-numeric: tabular-nums; white-space: nowrap; }
.loop-label, .speed-label {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--ink-soft); white-space: nowrap;
}
.speed-label input { width: 90px; }
#speed-label { color: var(--purple); font-weight: 700; min-width: 30px; }

.file-info { font-size: 12px; color: var(--ink-soft); padding: 0 4px; }

/* ---------- export card ---------- */
.export-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.export-row select { flex: 1; min-width: 150px; }
.export-row #export-scale { flex: 0 0 auto; width: 74px; min-width: 74px; }
.progress {
  height: 10px; border-radius: var(--radius-pill);
  background: var(--lavender-soft); overflow: hidden; margin-top: 10px;
  display: none;
}
.progress.active { display: block; }
.progress-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--purple), var(--yellow));
  border-radius: var(--radius-pill);
  transition: width .15s;
}
.export-status { font-size: 12px; color: var(--ink-soft); margin-top: 6px; min-height: 16px; }

/* ============================================================
   Mobile (≤900px) — declared last so these always win the cascade
   ============================================================ */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }

  /* dissolve the preview wrapper so its children join the page grid —
     that lets the stage stick for the WHOLE page scroll, not just its box */
  .preview-area { display: contents; }
  .stage-wrap { order: -3; }
  .player { order: -2; }
  .export-card { order: -1; }
  .file-info { order: 1; }

  /* the preview docks below the topbar like a mini-player, so every tweak
     is visible instantly while the controls scroll underneath */
  .stage-wrap {
    position: sticky; top: 66px; z-index: 40;
    min-height: 120px; max-height: 28vh;
    padding: 10px;
    box-shadow: 0 12px 28px rgba(29, 27, 38, .16);
  }
  .stage-wrap .stage { max-height: calc(28vh - 20px); }
  #lottie-box svg { max-height: calc(28vh - 20px); }
}

/* ---------- intro band (SEO/GEO visible content) ---------- */
.intro {
  max-width: 1500px;
  margin: 0 auto;
  padding: 26px 22px 4px;
  text-align: center;
}
.intro h1 {
  font-family: var(--brand);
  font-weight: 400;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.15;
  color: var(--ink);
  letter-spacing: .2px;
}
.intro h1 .hl {
  font-family: var(--hand);
  font-weight: 700;
  color: var(--purple);
  font-size: 1.12em;
}
.intro p {
  max-width: 660px;
  margin: 12px auto 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.65;
}
.intro strong { color: var(--ink); font-weight: 600; }

/* ---------- about / how-it-works / FAQ ---------- */
.about-app {
  border-top: 1px solid var(--border);
  background: var(--white);
  margin-top: 26px;
}
.about-inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 44px 22px 8px;
}
.about-app h2 {
  font-family: var(--brand);
  font-weight: 400;
  font-size: 24px;
  color: var(--ink);
  margin: 34px 0 14px;
}
.about-inner > h2:first-child { margin-top: 0; }
.about-app h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--purple-deep);
  margin-bottom: 6px;
}
.about-app p { color: var(--ink-soft); line-height: 1.7; font-size: 14.5px; }
.about-app code {
  background: var(--lavender-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: .88em;
  color: var(--purple-deep);
}
.steps { list-style: none; counter-reset: step; display: grid; gap: 12px; }
.steps li {
  position: relative;
  padding-left: 40px;
  color: var(--ink-soft);
  line-height: 1.6;
  font-size: 14.5px;
}
.steps li strong { color: var(--ink); font-weight: 600; }
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0; top: -2px;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  background: var(--purple);
  color: #fff;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 600;
}
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.feature {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--lavender-soft);
}
.faq details {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px 16px;
  margin-bottom: 10px;
  background: var(--white);
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  padding: 12px 0;
  list-style: none;
  position: relative;
  padding-right: 26px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute; right: 2px; top: 10px;
  font-size: 20px; color: var(--purple);
  line-height: 1;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 0 14px; }

/* ---------- app footer ---------- */
.app-footer {
  border-top: 1px solid var(--border);
  background: var(--white);
  margin-top: 34px;
}
.app-footer-inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-soft);
  font-size: 13.5px;
}
.app-footer nav { display: flex; gap: 18px; }
.app-footer a { color: var(--purple); font-weight: 500; }
.app-footer a:hover { text-decoration: underline; }

@media (max-width: 640px) {
  .feature-grid { grid-template-columns: 1fr; }
}