/* Lumen Studio — social media image tool for Lumen Project */

@font-face { font-family: "Barlow"; font-weight: 500; font-display: swap; src: url(fonts/barlow-500-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Barlow"; font-weight: 500; font-display: swap; src: url(fonts/barlow-500-latin-ext.woff2) format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Barlow"; font-weight: 600; font-display: swap; src: url(fonts/barlow-600-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Barlow"; font-weight: 600; font-display: swap; src: url(fonts/barlow-600-latin-ext.woff2) format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Barlow"; font-weight: 700; font-display: swap; src: url(fonts/barlow-700-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Barlow"; font-weight: 700; font-display: swap; src: url(fonts/barlow-700-latin-ext.woff2) format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }

:root {
  --font: "Barlow", "Helvetica Neue", Arial, sans-serif;
  --paper:   #000;
  --ink:     #fff;
  --ink-dim: #8c8c8c;
  --line:    #262626;
  --frame:   #0f0f0f;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --paper: #fff; --ink: #000; --ink-dim: #767676; --line: #e0e0e0; --frame: #f2f2f2;
    color-scheme: light;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  font-family: var(--font); font-size: 14px; line-height: 1.4;
  background: var(--paper); color: var(--ink);
  display: grid; grid-template-columns: 280px 1fr; min-height: 100vh;
}
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 1px solid var(--ink); outline-offset: 2px; }

/* — Panel —————————————————————————————————————————————— */
.panel {
  border-right: 1px solid var(--line);
  padding: 24px 20px; display: flex; flex-direction: column; gap: 28px;
  height: 100vh; overflow-y: auto; position: sticky; top: 0;
}
.brand {
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; font-size: 13px;
  color: var(--ink); text-decoration: none;
}
.brand span { color: var(--ink-dim); font-weight: 500; }

.group { display: flex; flex-direction: column; gap: 12px; }
.group__title {
  margin: 0; font-size: 11px; font-weight: 500; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--ink-dim);
}
#clearImage { align-self: flex-start; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { display: flex; justify-content: space-between; color: var(--ink-dim); font-size: 12px; }
.field output { font-variant-numeric: tabular-nums; color: var(--ink); }

textarea, select {
  width: 100%; background: transparent; border: 1px solid var(--line); border-radius: 0;
  padding: 8px 10px;
}
textarea { resize: vertical; text-transform: uppercase; letter-spacing: 0.03em; font-weight: 600; line-height: 1.15; }
textarea.is-mixed { text-transform: none; }
textarea:focus, select:focus { outline: none; border-color: var(--ink); }
select {
  appearance: none; cursor: pointer; padding-right: 26px;
  background: linear-gradient(45deg, transparent 50%, var(--ink) 50%) right 13px center / 5px 5px no-repeat,
              linear-gradient(-45deg, transparent 50%, var(--ink) 50%) right 8px center / 5px 5px no-repeat;
}
select option { background: var(--paper); color: var(--ink); }

input[type="range"] { appearance: none; width: 100%; height: 14px; background: transparent; cursor: pointer; margin: 0; }
input[type="range"]::-webkit-slider-runnable-track { height: 1px; background: var(--line); }
input[type="range"]::-moz-range-track { height: 1px; background: var(--line); }
input[type="range"]::-webkit-slider-thumb { appearance: none; width: 10px; height: 10px; margin-top: -4.5px; background: var(--ink); border: 0; border-radius: 50%; }
input[type="range"]::-moz-range-thumb { width: 10px; height: 10px; background: var(--ink); border: 0; border-radius: 50%; }

.row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.check { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.check input {
  appearance: none; width: 12px; height: 12px; margin: 0; border: 1px solid var(--ink-dim); cursor: pointer; flex: none;
}
.check input:checked { background: var(--ink); border-color: var(--ink); }

.drop {
  position: relative; display: grid; place-items: center; min-height: 110px;
  border: 1px dashed var(--line); cursor: pointer; overflow: hidden; text-align: center;
}
.drop:hover, .is-dropping .drop { border-color: var(--ink); }
.drop__thumb { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.4; filter: grayscale(1); }
.drop__text { position: relative; padding: 12px; color: var(--ink-dim); font-size: 12px; }
.drop.has-image .drop__text { color: var(--ink); }

.swatches { display: flex; gap: 10px; }
.swatch {
  width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--line);
  background: var(--c); cursor: pointer; padding: 0; position: relative;
}
.swatch.is-active { outline: 1px solid var(--ink); outline-offset: 3px; }
.swatch--custom { border-style: dashed; border-color: var(--ink-dim); background: transparent; overflow: hidden; }
.swatch--custom.is-active { background: var(--c); border-style: solid; }
.swatch--custom input { opacity: 0; width: 100%; height: 100%; cursor: pointer; }

.formats { display: flex; flex-direction: column; gap: 8px; }
.formats .check span { color: var(--ink-dim); font-size: 12px; margin-left: auto; font-variant-numeric: tabular-nums; }

.btn {
  background: var(--ink); color: var(--paper); border: 1px solid var(--ink); border-radius: 0;
  padding: 9px 16px; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; cursor: pointer;
}
.btn:hover { background: transparent; color: var(--ink); }
.btn:disabled { opacity: 0.4; cursor: progress; }
.link {
  background: none; border: 0; padding: 0; color: var(--ink-dim); cursor: pointer; font-size: 12px;
  text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px;
}
.link:hover { color: var(--ink); text-decoration-color: currentColor; }

/* — Stage ——————————————————————————————————————————————— */
.stage { min-width: 0; }
.toolbar {
  position: sticky; top: 0; z-index: 2; display: flex; align-items: center; gap: 16px;
  padding: 14px 32px; background: var(--paper); border-bottom: 1px solid var(--line);
}
.toolbar__hint { color: var(--ink-dim); font-size: 12px; margin-right: auto; }
.toolbar select { width: auto; padding-top: 7px; padding-bottom: 7px; }

.cards {
  padding: 32px; display: flex; flex-wrap: wrap; align-items: flex-start; align-content: flex-start; gap: 32px;
}
.card { margin: 0; display: flex; flex-direction: column; gap: 10px; width: var(--card-w, 340px); max-width: 100%; }
.card__frame {
  position: relative; aspect-ratio: var(--ar); background: var(--frame); overflow: hidden; cursor: pointer;
  outline: 1px solid transparent; outline-offset: 4px; transition: outline-color 0.15s;
}
.has-image .card__frame { cursor: grab; touch-action: none; }
.card__frame.is-dragging { cursor: grabbing; }
.is-dropping .card__frame { outline-color: var(--line); }
.is-dropping .card__frame.is-over { outline-color: var(--ink); }
.card__canvas { display: block; width: 100%; height: 100%; }
.card__empty {
  position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none;
  color: var(--ink-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 0.14em;
}
.has-image .card__empty { display: none; }
.card__bar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font-size: 12px; }
.card__name { font-weight: 600; }
.card__size { order: 3; flex-basis: 100%; color: var(--ink-dim); font-variant-numeric: tabular-nums; }
.card__dl { order: 2; margin-left: auto; }
.card__tools { order: 4; flex-basis: 100%; display: flex; align-items: center; gap: 10px; color: var(--ink-dim); }
.card__zoom { flex: 1; width: auto; min-width: 60px; }
body:not(.has-image) .card__tools { visibility: hidden; }

/* — Small screens ——————————————————————————————————————— */
@media (max-width: 760px) {
  body { grid-template-columns: 1fr; }
  .panel { height: auto; position: static; border-right: 0; border-bottom: 1px solid var(--line); padding: 16px; }
  .toolbar { padding: 12px 16px; }
  .toolbar__hint { display: none; }
  .toolbar .btn { margin-left: auto; }
  .cards { padding: 16px; gap: 24px; }
  .card { width: 100% !important; }
}