/* ==========================================================================
   Ask Ruth · Backdrop Studio
   ========================================================================== */

:root {
  --ink:      #2a0129;
  --ink-2:    #3b003a;
  --plum:     #4a0649;
  --magenta:  #8c008f;
  --mauve:    #974498;
  --orchid:   #e18adf;
  --pink:     #ff8eff;
  --blush:    #ffdafe;
  --cream:    #f8f6ee;

  --line:     rgba(255, 142, 255, 0.22);
  --line-soft:rgba(255, 142, 255, 0.12);
  --txt:      #f7e8f7;
  --txt-dim:  #c79dc6;

  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;

  --pad: 18px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { height: 100%; }

/* min-height, not height: a sticky child can only travel inside its containing
   block, so a fixed-height body let the top bar scroll away after one screen. */
body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(1200px 800px at 15% -10%, rgba(140, 0, 143, 0.35), transparent 60%),
    radial-gradient(900px 700px at 95% 110%, rgba(255, 142, 255, 0.14), transparent 60%),
    var(--ink);
  color: var(--txt);
  font: 400 14px/1.5 Poppins, system-ui, -apple-system, sans-serif;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }
[hidden] { display: none !important; }

/* ── top bar ─────────────────────────────────────────────────────────── */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line-soft);
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  background: rgba(42, 1, 41, 0.85);
  backdrop-filter: blur(14px);
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }

.brand-dot {
  width: 22px; height: 22px; flex: none;
  background: var(--pink);
  border-radius: 50% 50% 50% 4px;
  box-shadow: inset 0 0 0 4px var(--ink);
}

.brand-name {
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── brand switch ────────────────────────────────────────────────────── */

.brand-switch { display: flex; flex-direction: column; gap: 1px; min-width: 0; }

.brand-kicker {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--txt-dim);
  white-space: nowrap;
  cursor: pointer;
}

/* The native control keeps the keyboard and touch behaviour; only the
   chrome is restyled, with room on the right for our own caret. */
.brand-select {
  appearance: none;
  -webkit-appearance: none;
  font: 600 15px/1.2 Poppins, system-ui, sans-serif;
  letter-spacing: 0.01em;
  color: var(--cream);
  background: transparent
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' fill='none' stroke='%23ff8eff' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>")
    no-repeat right 8px center / 10px 6px;
  border: 0;
  border-radius: 8px;
  /* the caret sits inside the control, so the text needs to clear it */
  padding: 2px 26px 2px 6px;
  margin-left: -6px;
  max-width: 100%;
  /* Chromium sizes a select before the webfont lands and doesn't re-fit, so
     the longest name can end up under the caret. Reserve the room in em, so
     it follows the font size rather than a magic pixel count. */
  min-width: 9.4em;
  cursor: pointer;
  transition: background-color .15s ease;
}
.brand-select:hover { background-color: rgba(255, 142, 255, 0.12); }
.brand-select:focus-visible {
  outline: 2px solid var(--pink);
  outline-offset: 1px;
}
/* The popup is drawn by the OS, so it needs colours that stand alone. */
.brand-select option { background: var(--ink); color: var(--cream); }

.brand-note {
  margin: -4px 0 12px;
  padding: 10px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: rgba(255, 142, 255, 0.06);
}

.topbar-actions { display: flex; gap: 8px; flex: none; }

/* ── buttons ─────────────────────────────────────────────────────────── */

.btn {
  font: 500 13px/1 Poppins, system-ui, sans-serif;
  padding: 11px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, border-color .15s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--pink); color: var(--ink); font-weight: 600; }
.btn-primary:hover { background: var(--blush); }

.btn-ghost { background: transparent; color: var(--txt-dim); border-color: var(--line); }
.btn-ghost:hover { color: var(--txt); border-color: var(--pink); }

.btn-outline { background: transparent; color: var(--blush); border-color: var(--orchid); }
.btn-outline:hover { background: rgba(255, 142, 255, 0.12); }

/* ── layout ──────────────────────────────────────────────────────────── */

.shell {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 330px;
  gap: 18px;
  padding: 18px 20px 40px;
  align-items: start;
  max-width: 1600px;
  margin: 0 auto;
}

.panel {
  background: rgba(59, 0, 58, 0.55);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  padding: var(--pad);
  position: sticky;
  top: calc(env(safe-area-inset-top, 0px) + 74px);
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.panel-title {
  margin: 0 0 12px;
  font: 600 12px/1 Poppins, sans-serif;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--txt-dim);
}

/* ── upload ──────────────────────────────────────────────────────────── */

.upload-tile {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin-bottom: 14px;
  padding: 12px;
  border: 1px dashed var(--line);
  border-radius: var(--r-md);
  background: rgba(42, 1, 41, .45);
  color: var(--txt);
  cursor: pointer;
  text-align: left;
  font: 500 13px/1.25 Poppins, sans-serif;
}
.upload-tile:hover { border-color: var(--pink); background: rgba(255, 142, 255, .08); }
.upload-tile small { display: block; margin-top: 3px; color: var(--txt-dim); font-size: 11px; font-weight: 400; }

.upload-plus {
  flex: none;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--pink);
  color: var(--ink);
  font-size: 20px;
  font-weight: 600;
  line-height: 1;
}

body.dropping .panel-templates,
body.dropping .canvas-wrap { outline: 2px dashed var(--pink); outline-offset: 4px; }

.upload-error {
  margin: -6px 0 12px;
  font-size: 12px;
  color: #ffb4b4;
}

.thumb-wrap { position: relative; }

/* a clip reads as a clip in the picker */
.thumb.is-video { position: relative; }
.thumb.is-video::after {
  content: '▶';
  position: absolute;
  left: 6px; bottom: 26px;
  width: 18px; height: 18px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(20, 0, 20, .72);
  color: #fff;
  font-size: 8px;
  padding-left: 1px;
}

.thumb-remove {
  position: absolute;
  top: 5px; right: 5px;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 0;
  background: rgba(20, 0, 20, .78);
  color: #fff;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity .12s ease;
}
.thumb-wrap:hover .thumb-remove,
.thumb-remove:focus-visible { opacity: 1; }
.thumb-remove:hover { background: #a01414; }

/* ── sliders ─────────────────────────────────────────────────────────── */

.slider-row {
  display: grid;
  grid-template-columns: 64px 1fr 46px;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--txt-dim);
}
.slider-row output { text-align: right; font-variant-numeric: tabular-nums; }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 142, 255, .25);
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--pink);
  cursor: pointer;
  border: 0;
}
input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--pink);
  cursor: pointer;
  border: 0;
}

.micro { margin: 8px 0 0; font-size: 11px; color: var(--txt-dim); }

.btn-block { display: block; width: 100%; margin-top: 12px; }

.sheet-video .slider-row { grid-template-columns: 64px 1fr 52px; }
#export-note { margin: 14px 0 0; color: var(--blush); }

/* ── templates ───────────────────────────────────────────────────────── */

.save-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; }

.save-row input {
  background: rgba(42, 1, 41, .7);
  color: var(--txt);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 10px 12px;
  font: 400 13px Poppins, system-ui, sans-serif;
  min-width: 0;
}
.save-row input:focus { outline: 2px solid var(--pink); outline-offset: 1px; border-color: transparent; }
.save-row input::placeholder { color: rgba(199, 157, 198, .6); }

.templates { display: grid; gap: 8px; margin-top: 12px; }

.tpl {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 7px 8px 7px 7px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(42, 1, 41, .5);
}
.tpl:hover { border-color: var(--pink); }

.tpl img {
  display: block;
  width: 34px; height: 46px;
  object-fit: cover;
  border-radius: 6px;
  background: var(--plum);
}

.tpl-open {
  border: 0; background: none; padding: 0;
  color: var(--txt); cursor: pointer; text-align: left;
  font: 500 13px/1.25 Poppins, sans-serif;
  min-width: 0;
}
.tpl-open small { display: block; color: var(--txt-dim); font-size: 11px; font-weight: 400; }
.tpl-open span {
  display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.tpl-del {
  border: 0; background: transparent; cursor: pointer;
  color: var(--txt-dim); font-size: 16px; line-height: 1;
  padding: 6px 8px; border-radius: 8px;
}
.tpl-del:hover { color: #fff; background: #a01414; }

/* ── template thumbs ─────────────────────────────────────────────────── */

.thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 12px;
}

.thumb {
  display: block;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
  color: var(--txt-dim);
  font: 500 11px/1.3 Poppins, sans-serif;
}

.thumb canvas {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  border-radius: var(--r-sm);
  border: 2px solid transparent;
  outline: 1px solid var(--line-soft);
  outline-offset: -1px;
  transition: border-color .15s ease, transform .1s ease;
}

.thumb:hover canvas { transform: translateY(-2px); }
.thumb[aria-checked="true"] canvas { border-color: var(--pink); }
.thumb[aria-checked="true"] { color: var(--blush); }

.thumb span {
  display: block;
  margin-top: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── stage ───────────────────────────────────────────────────────────── */

.stage { display: grid; place-items: start center; padding-top: 4px; }
.stage-inner { width: 100%; display: grid; justify-items: center; gap: 10px; }

.canvas-wrap {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
  line-height: 0;
  max-width: 100%;
}

#preview {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 190px);
  width: auto;
  height: auto;
  touch-action: none;
  cursor: grab;
}
#preview.dragging { cursor: grabbing; }

.stage-hint { margin: 0; font-size: 12px; color: var(--txt-dim); }

/* ── fields ──────────────────────────────────────────────────────────── */

.field { margin-bottom: 18px; }

/* A rule between each group of controls, but never above the first one. */
.panel-controls > .field + .field,
.panel-controls > .field + .toggles,
.panel-controls > .toggles + .field {
  border-top: 1px solid var(--line-soft);
  padding-top: 18px;
}
.panel-controls > .field[hidden] + .field { border-top: 0; padding-top: 0; }

hr.rule {
  border: 0;
  border-top: 1px solid var(--line-soft);
  margin: 18px 0 4px;
}

.lbl {
  display: block;
  margin-bottom: 8px;
  font: 600 11px/1 Poppins, sans-serif;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--txt-dim);
}

textarea {
  width: 100%;
  resize: vertical;
  background: rgba(42, 1, 41, .7);
  color: var(--txt);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 12px 14px;
  font: 400 14px/1.45 Poppins, system-ui, sans-serif;
}
textarea:focus { outline: 2px solid var(--pink); outline-offset: 1px; border-color: transparent; }
textarea::placeholder { color: rgba(199, 157, 198, .6); }

/* ── segmented ───────────────────────────────────────────────────────── */

.segments { display: flex; flex-wrap: wrap; gap: 6px; }

.segments button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--txt-dim);
  border-radius: 999px;
  padding: 8px 13px;
  font: 500 12px/1 Poppins, sans-serif;
  cursor: pointer;
}
.segments button:hover { border-color: var(--pink); color: var(--txt); }
.segments button[aria-checked="true"] { background: var(--pink); border-color: var(--pink); color: var(--ink); font-weight: 600; }

/* ── toggles ─────────────────────────────────────────────────────────── */

.toggles { display: grid; gap: 12px; margin-bottom: 18px; }
.toggles-tight { margin-bottom: 0; gap: 10px; }

.switch { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 13px; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }

.switch .track {
  width: 42px; height: 24px; flex: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, .13);
  border: 1px solid var(--line);
  position: relative;
  transition: background .15s ease;
}
.switch .track::after {
  content: '';
  position: absolute;
  inset: 3px auto 3px 3px;
  width: 16px;
  border-radius: 50%;
  background: var(--txt-dim);
  transition: transform .15s ease, background .15s ease;
}
.switch input:checked + .track { background: var(--pink); border-color: var(--pink); }
.switch input:checked + .track::after { transform: translateX(18px); background: var(--ink); }
.switch input:focus-visible + .track { outline: 2px solid var(--blush); outline-offset: 2px; }

/* ── formats ─────────────────────────────────────────────────────────── */

.formats { display: grid; gap: 8px; }

.fmt {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(42, 1, 41, .5);
  color: var(--txt);
  cursor: pointer;
  text-align: left;
  font: 500 13px/1.2 Poppins, sans-serif;
}
.fmt:hover { border-color: var(--pink); }
.fmt[aria-checked="true"] { border-color: var(--pink); background: rgba(255, 142, 255, .13); }

.fmt i {
  flex: none;
  display: block;
  border: 2px solid var(--orchid);
  border-radius: 3px;
  background: rgba(255, 142, 255, .18);
}
.fmt small { display: block; color: var(--txt-dim); font-size: 11px; font-weight: 400; }

/* ── export sheet ────────────────────────────────────────────────────── */

.sheet-scrim {
  position: fixed;
  inset: 0;
  background: rgba(10, 0, 10, .6);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 50;
}

.sheet {
  position: relative;
  width: min(420px, 100%);
  background: linear-gradient(180deg, rgba(74, 6, 73, .97), rgba(42, 1, 41, .97));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 26px 24px 24px;
}

.sheet h2 { margin: 0 0 6px; font: 600 20px/1.2 Poppins, sans-serif; color: var(--cream); }
.sheet p  { margin: 0 0 20px; color: var(--txt-dim); font-size: 13px; }

.sheet-row { display: flex; gap: 10px; margin-bottom: 18px; }
.sheet-row .btn { flex: 1; padding: 14px 10px; }

.sheet-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--txt-dim);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}
.sheet-close:hover { color: var(--txt); border-color: var(--pink); }

.scale-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--txt-dim); }
.scale-row select {
  background: rgba(42, 1, 41, .8);
  color: var(--txt);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 8px 10px;
  font: 400 13px Poppins, sans-serif;
}

/* ── responsive ──────────────────────────────────────────────────────── */

@media (max-width: 1180px) {
  .shell { grid-template-columns: 210px minmax(0, 1fr); }
  .panel-controls { grid-column: 1 / -1; position: static; max-height: none; }
  .panel-controls .field,
  .panel-controls .toggles { max-width: 460px; }
}

/* ── phone ───────────────────────────────────────────────────────────── */

@media (max-width: 820px) {
  .shell {
    grid-template-columns: minmax(0, 1fr);
    padding: 12px 14px 32px;
    gap: 14px;
  }
  .panel { position: static; max-height: none; padding: 14px; }
  .panel-controls .field,
  .panel-controls .toggles { max-width: none; }

  /* preview first, then the backdrop you pick, then everything you tune */
  .stage { order: 1; }
  .panel-templates { order: 2; }
  .panel-controls { order: 3; }

  /* The preview follows you down the page, so a slider and its result are on
     screen at the same time. It pays for that with height — hence smaller. */
  .stage {
    position: sticky;
    top: calc(env(safe-area-inset-top, 0px) + var(--topbar-h, 58px));
    z-index: 5;
    /* bleed past the shell's side padding so nothing shows around the edges */
    margin: 0 -14px;
    padding: 8px 14px 10px;
    /* nearly opaque: the controls pass underneath, and blur alone isn't
       enough to stop bright chips ghosting through */
    background: rgba(42, 1, 41, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line-soft);
  }

  .canvas-wrap { border-radius: 14px; }
  #preview { max-height: 36vh; }
  .stage-hint { text-align: center; font-size: 11px; line-height: 1.4; }

  /* One swipeable row instead of a grid that pushes every control off screen. */
  .thumbs {
    display: flex;
    grid-template-columns: none;
    gap: 10px;
    overflow-x: auto;
    overscroll-behavior-x: contain;      /* don't trigger the back gesture */
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
    /* full-bleed to the panel edges, so the row reads as "keeps going" */
    margin: 0 -14px;
    padding: 2px 14px 10px;
    scrollbar-width: thin;
    scrollbar-color: var(--line) transparent;
  }
  .thumbs::-webkit-scrollbar { height: 4px; }
  .thumbs::-webkit-scrollbar-thumb { background: var(--line); border-radius: 999px; }
  .thumbs::-webkit-scrollbar-track { background: transparent; }

  .thumb-wrap { flex: 0 0 76px; scroll-snap-align: start; }
  .thumb span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .thumb-remove { opacity: 1; }          /* no hover on touch */

  /* comfortable touch targets */
  .segments button { padding: 10px 14px; font-size: 13px; }
  .fmt { padding: 12px; }
  input[type="range"] { height: 22px; background: transparent; }
  input[type="range"]::-webkit-slider-runnable-track {
    height: 4px; border-radius: 999px; background: rgba(255,142,255,.25);
  }
  input[type="range"]::-webkit-slider-thumb { margin-top: -8px; width: 20px; height: 20px; }
  input[type="range"]::-moz-range-track {
    height: 4px; border-radius: 999px; background: rgba(255,142,255,.25);
  }
  input[type="range"]::-moz-range-thumb { width: 20px; height: 20px; }
  .slider-row { grid-template-columns: 58px 1fr 44px; }
}

@media (max-width: 460px) {
  .topbar { padding: 12px 14px; }
  .brand-name { font-size: 13px; }
  .brand-select { font-size: 13px; }
  .brand-kicker { font-size: 9px; }
  .btn { padding: 10px 13px; font-size: 12px; }
  .sheet-row { flex-direction: column; }
  .scale-row { flex-direction: column; align-items: stretch; gap: 8px; }
  .scale-row select { width: 100%; }
}

/* Phones in landscape: there is no vertical room to spare, so the preview
   scrolls away with everything else rather than holding a slice of it. */
@media (max-height: 560px) and (orientation: landscape) {
  #preview { max-height: 78vh; }
  .stage {
    position: static;
    margin: 0;
    padding: 4px 0 0;
    background: none;
    backdrop-filter: none;
    border-bottom: 0;
  }
}