/* SPDX-License-Identifier: AGPL-3.0-or-later */
/* PDF Tools — single-page UI */

:root {
  --bg: #f4f5fb;
  --card: #ffffff;
  --ink: #1e2130;
  --muted: #6b7186;
  --line: #e3e5ef;
  --accent: #4f46e5;
  --accent-ink: #ffffff;
  --accent-soft: #eef0fe;
  --ok: #0f8a4d;
  --err: #d92d20;
  --radius: 14px;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  line-height: 1.45;
}

.hero {
  padding: 2.2rem 1rem 1rem;
  text-align: center;
}
.hero h1 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: -0.02em;
}
.hero p {
  margin: 0.4rem auto 0;
  max-width: 34rem;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.1rem;
  padding: 1rem;
  max-width: 76rem;
  margin: 0 auto 2rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgb(30 33 48 / 5%);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
}

.card-head {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.9rem;
}
.card-head .icon {
  flex: none;
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
}
.card-head .icon svg { width: 1.35rem; height: 1.35rem; stroke: currentColor; }
.card-head h2 { margin: 0; font-size: 1.06rem; }
.card-head p { margin: 0.1rem 0 0; font-size: 0.82rem; color: var(--muted); }

/* ---------- drop zone ---------- */
.dropzone {
  position: relative;
  border: 1.5px dashed #c3c7db;
  border-radius: 10px;
  padding: 1.05rem 0.9rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  background: #fafbff;
}
.dropzone:hover, .dropzone:focus-within, .dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.dz-hint { margin: 0; font-size: 0.85rem; color: var(--muted); }
.file-list {
  list-style: none;
  margin: 0.55rem 0 0;
  padding: 0;
  font-size: 0.83rem;
  text-align: left;
}
.file-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.18rem 0.2rem;
}
.file-list li span:nth-child(2) { color: var(--muted); white-space: nowrap; }

/* ---------- fields & buttons ---------- */
.options {
  border: 0;
  margin: 0.85rem 0 0;
  padding: 0;
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}
.options legend {
  float: left;      /* keeps the legend inline with the chips */
  width: 100%;
  padding: 0;
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.28rem 0.75rem;
  font-size: 0.84rem;
  cursor: pointer;
  user-select: none;
  transition: all 0.12s;
}
.chip:has(input:checked) {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.chip input { accent-color: var(--accent); margin-right: 0.25rem; }

.field {
  display: block;
  margin-top: 0.85rem;
  font-size: 0.84rem;
  color: var(--muted);
}
.field small { font-weight: 400; }
.field input, .field select {
  display: block;
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.5rem 0.65rem;
  font-size: 0.95rem;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.field input:focus, .field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.row { display: flex; gap: 0.7rem; }
.grow { flex: 1; }

.btn {
  margin-top: 1rem;
  padding: 0.58rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  border: 0;
  border-radius: 9px;
  cursor: pointer;
  transition: filter 0.12s, opacity 0.12s;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn:disabled { opacity: 0.55; cursor: wait; }

/* ---------- status & results ---------- */
.status { margin: 0.7rem 0 0; font-size: 0.86rem; min-height: 1.2em; }
.status.busy::before {
  content: "";
  display: inline-block;
  width: 0.85em; height: 0.85em;
  margin-right: 0.45rem;
  vertical-align: -0.12em;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.status.ok   { color: var(--ok); }
.status.err  { color: var(--err); }

.result { margin-top: 0.55rem; font-size: 0.86rem; }
.result a.download {
  display: inline-block;
  margin-top: 0.35rem;
  padding: 0.45rem 0.9rem;
  background: var(--ok);
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
}
.result a.download:hover { filter: brightness(1.07); }
.result .meta { margin: 0.45rem 0 0; color: var(--muted); white-space: pre-line; }
.result textarea {
  width: 100%;
  min-height: 9rem;
  max-height: 18rem;
  margin-top: 0.5rem;
  padding: 0.55rem;
  font: 0.78rem/1.5 ui-monospace, Consolas, monospace;
  border: 1px solid var(--line);
  border-radius: 8px;
  resize: vertical;
  white-space: pre;
}
.result .row-btns { display: flex; gap: 0.5rem; margin-top: 0.45rem; }

footer {
  text-align: center;
  padding: 0 1rem 2.2rem;
  color: var(--muted);
  font-size: 0.85rem;
}
footer a { color: var(--accent); }
.engine-status { min-height: 1.4em; font-size: .9rem; opacity: .85; }
.engine-status[data-state="failed"] { color: #b91c1c; opacity: 1; }
.legal { max-width: 960px; margin: 0 auto; padding: 0 16px 32px; line-height: 1.55; }
.legal section { margin-bottom: 28px; }
.legal table { width: 100%; border-collapse: collapse; font-size: .92rem; display: block; overflow-x: auto; }
.legal th, .legal td { text-align: left; vertical-align: top; padding: 6px 8px; border-bottom: 1px solid rgba(127, 127, 127, .3); }
.legal a, .hero a { color: var(--accent); }
@media (max-width: 640px) {
  .legal thead { display: none; }
  .legal tr, .legal td { display: block; }
  .legal td { border: 0; padding: 2px 0; }
  .legal td:first-child { font-weight: 600; padding-top: 10px; }
  .legal tr { border-bottom: 1px solid rgba(127, 127, 127, .3); padding-bottom: 8px; }
}