/* Mobile first, one column, no framework. Everything here has to work on a
   five-year-old phone held in one hand, so: system fonts, generous tap
   targets, and no layout that depends on hover. */

:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #14181f;
  --soft: #5b6472;
  --line: #dfe3e9;
  --accent: #2563eb;
  --ok: #059669;
  --warn: #b45309;
  --bad: #dc2626;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10141a;
    --card: #182029;
    --ink: #e8ecf2;
    --soft: #9aa5b4;
    --line: #2a3441;
    --accent: #60a5fa;
    --ok: #34d399;
    --warn: #fbbf24;
    --bad: #f87171;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 16px 16px calc(32px + env(safe-area-inset-bottom));
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
  max-width: 720px;
  margin-inline: auto;
  -webkit-text-size-adjust: 100%;
}

body.blocked main,
body.blocked #authPanel { display: none; }

h1 { font-size: 1.35rem; margin: 0 0 4px; }
h2 { font-size: 1.05rem; margin: 0 0 12px; }
h3 { font-size: 0.95rem; margin: 20px 0 6px; }

.top .sub, .hint, .quiet, .summary { color: var(--soft); font-size: 0.875rem; }
.top .sub { margin: 0 0 16px; }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* -- banners ------------------------------------------------------------ */

.banner {
  border-radius: var(--radius);
  padding: 12px 14px;
  margin: 0 0 16px;
  font-size: 0.9rem;
  border: 1px solid;
}
.banner.error { color: var(--bad); border-color: var(--bad); background: color-mix(in srgb, var(--bad) 10%, transparent); }
.banner.warn  { color: var(--warn); border-color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); }

/* -- forms -------------------------------------------------------------- */

label { display: block; font-size: 0.85rem; color: var(--soft); margin: 10px 0 4px; }

input[type="email"],
input[type="password"],
input[type="text"] {
  width: 100%;
  padding: 12px;
  font-size: 16px;          /* below 16px iOS zooms the whole page on focus */
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
}

button, .picker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;         /* thumb-sized, not mouse-sized */
  padding: 12px 18px;
  font-size: 1rem;
  font-family: inherit;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  touch-action: manipulation;
}
button.primary, .picker.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
button.small { min-height: 38px; padding: 8px 12px; font-size: 0.85rem; }
button:disabled { opacity: 0.45; cursor: default; }

form button { margin-top: 14px; width: 100%; }

.check { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: 0.9rem; margin: 12px 0 0; }
.check input { width: 20px; height: 20px; }

details.quiet { margin-top: 16px; }
summary { cursor: pointer; font-weight: 600; }

/* -- drop zone ---------------------------------------------------------- */

.dropzone {
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  background: var(--card);
  margin-bottom: 16px;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone.hot { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, var(--card)); }
.dz-title { margin: 0 0 14px; font-weight: 600; }

.pickers { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.picker { flex: 1 1 150px; }
.picker input { display: none; }
.hint { margin: 14px 0 0; }

.controls .buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.controls .buttons button { flex: 1 1 150px; }
.summary { margin: 14px 0 4px; font-weight: 600; color: var(--ink); }

/* -- file list ---------------------------------------------------------- */

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

.row {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 10px;
}
.row-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.name {
  font-weight: 600;
  overflow-wrap: anywhere;   /* IMG_20260819_120000000_a_very_long_name.jpg */
  min-width: 0;
}

.chip {
  flex: none;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--soft);
  white-space: nowrap;
}
.chip[data-state="done"]    { color: var(--ok);   border-color: var(--ok); }
.chip[data-state="failed"]  { color: var(--bad);  border-color: var(--bad); }
.chip[data-state="blocked"] { color: var(--warn); border-color: var(--warn); }
.chip[data-state="waiting"] { color: var(--warn); border-color: var(--warn); }

.meter {
  height: 4px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
  margin: 10px 0 8px;
}
.bar { height: 100%; width: 0; background: var(--accent); transition: width 0.2s linear; }
.row[data-state="done"] .bar    { background: var(--ok); }
.row[data-state="failed"] .bar  { background: var(--bad); }
.row[data-state="skipped"] .bar { background: var(--soft); }

.meta { font-size: 0.8rem; color: var(--soft); }
.msg { font-size: 0.85rem; margin-top: 8px; }
.msg.bad  { color: var(--bad); }
.msg.soft { color: var(--soft); }
.actions { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }

/* -- diagnostics -------------------------------------------------------- */

.diag { display: grid; grid-template-columns: 1fr auto; gap: 6px 14px; margin: 14px 0 0; font-size: 0.85rem; }
.diag dt { color: var(--soft); }
.diag dd { margin: 0; text-align: right; overflow-wrap: anywhere; }

pre {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  overflow-x: auto;         /* the page itself must never scroll sideways */
  font-size: 0.8rem;
}
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

ul.plain { padding-left: 1.1em; margin: 12px 0 0; font-size: 0.9rem; }
ul.plain li { margin-bottom: 10px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* -- resuming a batch that outlived its tab ----------------------------- */

.resume {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  border-color: var(--accent);
}
.resume p { margin: 0; flex: 1 1 16rem; font-size: 0.9rem; }

/* The end-of-batch report. `pre` already scrolls sideways rather than
   pushing the page out; this only keeps a long list from taking over. */
.report {
  margin-top: 14px;
  max-height: 40vh;
  overflow-y: auto;
  white-space: pre;
  line-height: 1.5;
}

.row[data-state="held"] .bar { background: var(--warn); }