/*
 * SPDX-FileCopyrightText: 2026 James R. Barlow
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-alt: #f0f2f5;
  --border: #d9dee5;
  --text: #1a1d21;
  --muted: #666e79;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #e8efff;
  --ok: #15803d;
  --ok-soft: #e6f5ec;
  --warn: #b45309;
  --err: #b91c1c;
  --err-soft: #fdecec;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --surface: #1c2024;
    --surface-alt: #23282e;
    --border: #333a42;
    --text: #e8eaed;
    --muted: #9aa3ad;
    --accent: #5b8cff;
    --accent-hover: #7ba3ff;
    --accent-soft: #1e2a44;
    --ok: #4ade80;
    --ok-soft: #16281d;
    --warn: #fbbf24;
    --err: #f87171;
    --err-soft: #2c1a1a;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1rem 3rem;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main, .topbar, footer { max-width: 820px; margin-inline: auto; }

.topbar { padding: 2rem 0 1.25rem; }
.topbar h1 { margin: 0; font-size: 1.6rem; letter-spacing: -.02em; }
.tagline { margin: .3rem 0 0; color: var(--muted); }

h2 { font-size: 1rem; margin: 0; }

footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .82rem;
}

/* ---------------- Dropzone ---------------- */

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone:focus-visible { border-color: var(--accent); outline: none; }
.dropzone.dragover { border-color: var(--accent); background: var(--accent-soft); }

.dropzone-icon {
  width: 34px; height: 34px;
  stroke: var(--accent); stroke-width: 1.7; fill: none;
  stroke-linecap: round; stroke-linejoin: round;
}
.dropzone-title { margin: .6rem 0 .2rem; font-weight: 600; }
.dropzone-hint { margin: 0; color: var(--muted); font-size: .85rem; }

/* ---------------- Panels ---------------- */

#queue-wrap, .options, #results-view {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.25rem;
  margin-top: 1.25rem;
}

.queue-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}

.badge {
  display: inline-block;
  background: var(--surface-alt);
  border-radius: 999px;
  padding: .05rem .5rem;
  font-size: .8rem;
  color: var(--muted);
  font-weight: 500;
}

/* ---------------- File lists ---------------- */

.file-list { list-style: none; margin: .85rem 0 0; padding: 0; }

.file-row {
  display: flex; align-items: center; gap: .75rem;
  padding: .6rem .1rem;
  border-top: 1px solid var(--border);
}
.file-row:first-child { border-top: none; }

.file-main { flex: 1; min-width: 0; }
.file-name {
  font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.file-meta { color: var(--muted); font-size: .8rem; }
.file-meta.err { color: var(--err); white-space: normal; }

.pill {
  font-size: .74rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .03em;
  padding: .16rem .5rem; border-radius: 999px;
  background: var(--surface-alt); color: var(--muted);
  white-space: nowrap;
}
.pill.running { background: var(--accent-soft); color: var(--accent); }
.pill.succeeded { background: var(--ok-soft); color: var(--ok); }
.pill.failed, .pill.cancelled { background: var(--err-soft); color: var(--err); }

.spinner {
  width: 13px; height: 13px; display: inline-block; vertical-align: -2px;
  margin-right: .35rem;
  border: 2px solid currentColor; border-right-color: transparent;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 2.5s; } }

/* ---------------- Form ---------------- */

.field { display: block; margin-bottom: 1rem; }
.field-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.field-row > .field { flex: 1 1 240px; }

.label {
  display: block; font-weight: 600; font-size: .85rem; margin-bottom: .3rem;
}
.help { color: var(--muted); font-size: .8rem; margin: .3rem 0 0; }

select, input[type="number"] {
  width: 100%;
  padding: .45rem .55rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}
select:focus, input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: .3rem .8rem;
}
.check { display: flex; align-items: center; gap: .4rem; font-size: .9rem; }
.check input { accent-color: var(--accent); }

.advanced { margin: .3rem 0 1rem; }
.advanced summary {
  cursor: pointer; font-weight: 600; font-size: .85rem;
  padding: .35rem 0; color: var(--accent);
}
.advanced[open] summary { margin-bottom: .75rem; }

.actions { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; }
.result-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

button { font: inherit; border-radius: 8px; cursor: pointer; }
button:disabled { opacity: .5; cursor: not-allowed; }

.primary {
  background: var(--accent); color: #fff; border: 1px solid var(--accent);
  padding: .5rem 1.1rem; font-weight: 600;
}
.primary:hover:not(:disabled) { background: var(--accent-hover); }

.secondary {
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
  padding: .5rem 1.1rem;
}
.secondary:hover { border-color: var(--accent); }

.link-button {
  background: none; border: none; color: var(--accent);
  padding: 0; font-size: .85rem; text-decoration: underline;
}

.icon-button {
  background: none; border: none; color: var(--muted);
  font-size: 1.1rem; line-height: 1; padding: .2rem .4rem;
}
.icon-button:hover { color: var(--err); }

a.download {
  color: var(--accent); font-weight: 600; font-size: .85rem;
  text-decoration: none; white-space: nowrap;
}
a.download:hover { text-decoration: underline; }

.upload-status { color: var(--muted); font-size: .85rem; }

/* ---------------- Progress + errors ---------------- */

.progress {
  height: 5px; margin-top: .85rem;
  background: var(--surface-alt); border-radius: 999px; overflow: hidden;
}
.progress-bar {
  height: 100%; width: 0;
  background: var(--accent);
  transition: width .2s ease;
}

.error {
  margin-top: 1.25rem; padding: .75rem 1rem;
  background: var(--err-soft); border: 1px solid var(--err);
  color: var(--err); border-radius: var(--radius);
}

.log {
  margin: .5rem 0 0; padding: .6rem .7rem;
  background: var(--surface-alt); border-radius: 8px;
  font: .78rem/1.45 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  white-space: pre-wrap; word-break: break-word;
  max-height: 190px; overflow: auto;
  color: var(--muted);
}