/* Converter pages: the file-drop tools and the value tools.
   Self-contained like the platform stylesheet (the shell only injects its own
   vd-* rules), and every colour the pages share comes from the same palette so
   a converter sits next to a downloader page without looking like a guest. */

:root {
  --bg: #0f0f10;
  --bg-soft: #141416;
  --card: #191a1c;
  --border: #2a2b2e;
  --border-control: #6b6f78;
  --text: #ececee;
  --muted: #98999c;
  --danger: #ff6b6b;
  --ok: #6ee7a8;
  --accent-soft: color-mix(in srgb, var(--vd-accent, #8b5cf6) 70%, white);
  --radius: 16px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(900px 480px at 80% -10%, color-mix(in srgb, var(--vd-accent, #8b5cf6) 12%, transparent), transparent 60%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 20px; }
a { color: var(--accent-soft); }

/* ---------- hero ---------- */
.hero { text-align: center; padding: 40px 0 26px; }
.hero h1 { font-size: clamp(28px, 5vw, 42px); line-height: 1.15; margin: 0 0 14px; letter-spacing: -0.02em; }
.sub { color: var(--muted); font-size: 16px; max-width: 560px; margin: 0 auto; line-height: 1.55; }

.badge {
  display: inline-block;
  margin: 0 0 14px;
  font-size: 12px;
  color: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--vd-accent, #8b5cf6) 35%, var(--border));
  border-radius: 999px;
  padding: 5px 12px;
  background: var(--bg-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---------- tool card ---------- */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.tool-card { box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35); display: grid; gap: 14px; }

.dropzone {
  align-items: center;
  background: var(--bg-soft);
  border: 1.5px dashed var(--border-control);
  border-radius: 14px;
  cursor: pointer;
  display: grid;
  gap: 4px;
  justify-items: center;
  padding: 26px 18px;
  text-align: center;
}
.dropzone:hover, .dropzone.is-over { border-color: var(--vd-accent, #8b5cf6); background: color-mix(in srgb, var(--vd-accent, #8b5cf6) 8%, var(--bg-soft)); }
/* The file input is sr-only - a 1x1 box that keeps the picker reachable by
 * keyboard - so its own ring is a pixel nobody can see: the zone around it
 * takes the ring instead, the way the fields below do. */
.dropzone:has(input:focus-visible) { outline: 2px solid var(--vd-accent, #8b5cf6); outline-offset: 1px; }
.dropzone strong { font-size: 15px; }
.dropzone p { color: var(--muted); font-size: 14px; margin: 0; }

.linklike {
  background: none;
  border: 0;
  color: var(--accent-soft);
  cursor: pointer;
  font: inherit;
  padding: 6px 0;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.file-list { display: grid; gap: 8px; list-style: none; margin: 0; padding: 0; }
.file-row {
  align-items: center;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr auto;
  padding: 10px 12px;
}
.file-name { font-size: 14px; overflow-wrap: anywhere; }
.file-meta { color: var(--muted); display: block; font-size: 12px; margin-top: 2px; }
.file-remove {
  background: none;
  border: 0;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 18px;
  line-height: 1;
  padding: 4px 8px;
}
.file-remove:hover { color: var(--danger); }

.options { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.field { display: grid; gap: 6px; }
.field > span { color: var(--muted); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
.field input[type="number"], .field input[type="text"], .field select {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font: inherit;
  padding: 10px 12px;
  width: 100%;
}
/* The ring is the indicator the border colour alone was not: the 35% tint it
 * replaced measured 1.37:1 against this field. */
.field input:focus, .field select:focus { border-color: var(--vd-accent, #8b5cf6); outline: 2px solid var(--vd-accent, #8b5cf6); outline-offset: 1px; }
.field input[type="color"] { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 10px; height: 42px; width: 100%; }
.field input[type="range"] { width: 100%; }
.field .range-value { color: var(--text); font-size: 13px; }
.field-wide { grid-column: 1 / -1; }

.actions { align-items: center; display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  background: var(--vd-accent, #8b5cf6);
  border: 0;
  border-radius: 12px;
  color: var(--vd-btn-ink, #fff);
  cursor: pointer;
  font: 600 15px/1 inherit;
  padding: 13px 22px;
}
.btn:disabled { cursor: progress; opacity: 0.65; }
.btn-ghost { background: none; border: 1px solid var(--border); color: var(--muted); }
.btn-ghost:hover { color: var(--text); }
.btn-sm { font-size: 13px; padding: 8px 12px; border-radius: 10px; }

.error { color: var(--danger); font-size: 14px; margin: 0; }
.hint { color: var(--muted); font-size: 13px; margin: 0; }

/* ---------- result ---------- */
.result { display: grid; gap: 10px; margin-top: 4px; }
.result-head { align-items: center; display: flex; gap: 10px; }
.result-ok { color: var(--ok); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; margin: 0; }
.result-row {
  align-items: center;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: grid;
  gap: 12px;
  grid-template-columns: auto 1fr auto;
  padding: 12px;
}
.result-thumb { border: 1px solid var(--border); border-radius: 8px; height: 54px; object-fit: cover; width: 54px; }
.result-meta { min-width: 0; }
.result-name { font-size: 14px; overflow-wrap: anywhere; }
.result-sub { color: var(--muted); display: block; font-size: 12px; margin-top: 2px; }
.result-dl {
  background: var(--vd-accent, #8b5cf6);
  border-radius: 10px;
  color: var(--vd-btn-ink, #fff);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 16px;
  text-decoration: none;
  white-space: nowrap;
}

/* ---------- value tools ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.tab {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  padding: 8px 14px;
}
.tab[aria-pressed="true"] { background: color-mix(in srgb, var(--vd-accent, #8b5cf6) 22%, var(--bg-soft)); border-color: var(--vd-accent, #8b5cf6); color: var(--text); }

.pair { align-items: end; display: grid; gap: 10px; grid-template-columns: 1fr auto 1fr; }
.swap { background: none; border: 1px solid var(--border); border-radius: 10px; color: var(--muted); cursor: pointer; font: inherit; padding: 10px 12px; }
.swap:hover { color: var(--text); }

.value-out {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: grid;
  gap: 4px;
  padding: 14px;
}
.value-big { font-size: clamp(22px, 5vw, 30px); font-weight: 700; letter-spacing: -0.01em; overflow-wrap: anywhere; }
.value-eq { color: var(--muted); font-size: 14px; }

table.units { border-collapse: collapse; width: 100%; }
table.units th, table.units td { border-bottom: 1px solid var(--border); font-size: 14px; padding: 9px 8px; text-align: left; }
table.units th { color: var(--muted); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
table.units td:last-child, table.units th:last-child { text-align: right; font-variant-numeric: tabular-nums; }
table.units tr[data-current="1"] { background: color-mix(in srgb, var(--vd-accent, #8b5cf6) 12%, transparent); }

.kv { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.kv-row { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.kv-row span { color: var(--muted); display: block; font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
.kv-row b { font-size: 15px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }

/* ---------- steps, about, faq, related ---------- */
.steps, .faq, .about, .related { margin: 40px 0 0; }
.steps h2, .faq h2, .about h2, .related h2 { font-size: 21px; margin: 0 0 16px; }
.step-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.step { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.step-n {
  align-items: center;
  background: color-mix(in srgb, var(--vd-accent, #8b5cf6) 22%, var(--card));
  border-radius: 999px;
  color: var(--accent-soft);
  display: inline-flex;
  font-size: 13px;
  font-weight: 700;
  height: 26px;
  justify-content: center;
  margin-bottom: 10px;
  width: 26px;
}
.step h3 { font-size: 15px; margin: 0 0 6px; }
.step p { color: var(--muted); font-size: 14px; line-height: 1.5; margin: 0; }

.about p { color: var(--muted); font-size: 15px; line-height: 1.65; margin: 0 0 12px; }

.faq-item { background: var(--card); border: 1px solid var(--border); border-radius: 12px; margin-bottom: 8px; padding: 12px 14px; }
.faq-item summary { cursor: pointer; font-size: 15px; font-weight: 600; padding: 6px 0; }
.faq-item p { color: var(--muted); font-size: 14px; line-height: 1.55; margin: 10px 0 0; }

.related-list { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); list-style: none; margin: 0; padding: 0; }
.related-list a {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  display: grid;
  gap: 2px;
  padding: 12px 14px;
  text-decoration: none;
}
.related-list a:hover { border-color: var(--vd-accent, #8b5cf6); }
.related-tag { color: var(--muted); font-size: 12px; }

/* The index page: one card per tool, three groups. */
.groups { display: grid; gap: 28px; margin-top: 34px; }
.group h2 { font-size: 18px; margin: 0 0 12px; }
.tool-grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); list-style: none; margin: 0; padding: 0; }
.tool-grid a {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  display: grid;
  gap: 4px;
  padding: 14px;
  text-decoration: none;
}
.tool-grid a:hover { border-color: var(--vd-accent, #8b5cf6); }
.tool-grid strong { font-size: 15px; }
.tool-grid span { color: var(--muted); font-size: 13px; line-height: 1.45; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--border); margin-top: 48px; padding: 22px 0 30px; }
.footer p { color: var(--muted); font-size: 13px; margin: 0 0 12px; }
.langnav { display: flex; flex-wrap: wrap; gap: 4px; margin: 0 0 12px; }
.langnav a { border-radius: 8px; color: var(--muted); display: inline-block; font-size: 13px; padding: 6px 8px; text-decoration: none; }
.langnav a:hover { background: var(--bg-soft); color: var(--accent-soft); }
.langnav a.cur { color: var(--text); font-weight: 700; }

@media (max-width: 560px) {
  .pair { grid-template-columns: 1fr; }
  .result-row { grid-template-columns: 1fr; }
  .options { grid-template-columns: 1fr; }
}