/* SCANER — light-first, Shift-inspired */
:root {
  --bg: #f6f5f1;
  --bg-elev: #ffffff;
  --fg: #111111;
  --muted: #6b6b66;
  --line: #e4e2db;
  --line-strong: #111111;
  --warn: #9a6b12;
  --warn-bg: #fbf3e0;
  --err: #b42318;
  --ok: #1f7a4c;
  --shadow: 0 20px 50px rgba(17, 17, 17, 0.06);
  --font: "Inter", "Vazirmatn", system-ui, -apple-system, sans-serif;
  --display: "Syne", "Vazirmatn", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --radius: 1.25rem;
}

body.theme-dark {
  --bg: #0c0c0c;
  --bg-elev: #161616;
  --fg: #f4f4f0;
  --muted: #9a9a94;
  --line: #2a2a28;
  --line-strong: #f4f4f0;
  --warn: #e8c36a;
  --warn-bg: rgba(232, 195, 106, 0.1);
  --err: #f07070;
  --ok: #6bcf8e;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  font-feature-settings: "ss01" on, "cv11" on;
  -webkit-font-smoothing: antialiased;
  transition: background .25s ease, color .25s ease;
}
body.rtl { direction: rtl; }

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.035;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(0,0,0,.04), transparent 40%),
    radial-gradient(circle at 80% 0%, rgba(0,0,0,.03), transparent 35%);
}
body.theme-dark .noise {
  opacity: 0.5;
  background-image:
    radial-gradient(circle at 15% 0%, rgba(255,255,255,.05), transparent 35%),
    radial-gradient(circle at 90% 20%, rgba(255,255,255,.03), transparent 30%);
}

.top, main, .foot, .modal { position: relative; z-index: 1; }

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 2rem;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
}

.logo {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: 0.16em;
  text-decoration: none;
  color: var(--fg);
  font-size: 0.92rem;
}

.nav { display: flex; gap: 0.45rem; align-items: center; flex-wrap: wrap; }

.ghost, .primary {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--fg);
  padding: 0.55rem 1rem;
  border-radius: 999px;
  transition: border-color .15s, background .15s, transform .15s;
  letter-spacing: 0.02em;
}
.ghost:hover { border-color: var(--fg); }
.primary {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
  font-weight: 600;
}
.primary:hover { transform: translateY(-1px); }
.full { width: 100%; margin-top: 0.55rem; }

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 7rem;
}

.hero { margin-bottom: 2.75rem; max-width: 44rem; }
.tag {
  color: var(--muted);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.7rem;
  font-weight: 500;
  margin: 0 0 1rem;
}
.hero h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.8rem, 9vw, 5.4rem);
  line-height: 0.94;
  letter-spacing: -0.035em;
  margin: 0 0 1.1rem;
}
.outline {
  -webkit-text-stroke: 1.6px var(--fg);
  color: transparent;
}
.sub {
  color: var(--muted);
  max-width: 32rem;
  font-size: 1.05rem;
  margin: 0;
}
.hint {
  margin-top: 1.25rem;
  color: var(--fg);
  border-inline-start: 2px solid var(--fg);
  padding-inline-start: 1rem;
  font-size: 0.95rem;
  max-width: 36rem;
}

.drop {
  border: 1px dashed var(--line);
  border-radius: calc(var(--radius) + 0.15rem);
  min-height: 300px;
  display: grid;
  place-items: center;
  cursor: pointer;
  background: var(--bg-elev);
  box-shadow: var(--shadow);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.drop:hover, .drop.drag {
  border-color: var(--fg);
  transform: translateY(-2px);
  box-shadow: 0 28px 60px rgba(17,17,17,.08);
}
.drop-inner { text-align: center; padding: 2.25rem 1.5rem; }
.drop h2 {
  font-family: var(--display);
  font-size: clamp(1.45rem, 3vw, 1.85rem);
  margin: 0.55rem 0 0.4rem;
  letter-spacing: -0.02em;
}
.drop p { color: var(--muted); margin: 0; font-size: 0.95rem; }
.ring {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  margin: 0 auto 0.9rem;
  border: 1.5px solid var(--fg);
  box-shadow: 0 0 0 10px color-mix(in srgb, var(--fg) 6%, transparent);
}
.file-count {
  margin-top: 0.9rem !important;
  color: var(--fg) !important;
  font-weight: 600;
  font-family: var(--mono);
  font-size: 0.85rem !important;
}
.actions-row { margin-top: 0.85rem; display: flex; gap: 0.5rem; }
.warn {
  margin-top: 1rem;
  padding: 1rem 1.15rem;
  border: 1px solid color-mix(in srgb, var(--warn) 40%, var(--line));
  color: var(--warn);
  border-radius: 0.85rem;
  background: var(--warn-bg);
  font-size: 0.92rem;
}

.results { margin-top: 2.75rem; display: grid; gap: 1.15rem; }
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.45rem;
  background: var(--bg-elev);
  box-shadow: var(--shadow);
}
.card h3 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.card .meta {
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 0.9rem;
  font-family: var(--mono);
  letter-spacing: 0.02em;
}
.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
th, td {
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--line);
  text-align: start;
  white-space: nowrap;
}
th {
  color: var(--muted);
  font-weight: 600;
  background: color-mix(in srgb, var(--bg) 70%, var(--bg-elev));
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.field-list { display: grid; gap: 0.2rem; }
.field-list div {
  display: flex;
  gap: 0.85rem;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 0.45rem 0;
  font-size: 0.92rem;
}
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.15rem;
}
.status { font-size: 0.85rem; color: var(--muted); }
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }

.meta-grid {
  margin-top: 4.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.75rem;
  border-top: 1px solid var(--line);
  padding-top: 2.25rem;
}
.meta-grid h3 {
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-weight: 700;
}
.meta-grid p { margin: 0; font-size: 0.98rem; }

.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(17, 17, 17, 0.28);
  display: grid;
  place-items: center;
  padding: 1rem;
  backdrop-filter: blur(6px);
}
body.theme-dark .modal { background: rgba(0,0,0,.58); }
.modal.hidden, .hidden { display: none !important; }
.modal-card {
  width: min(430px, 100%);
  background: var(--bg-elev);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  padding: 1.6rem 1.5rem 1.4rem;
  position: relative;
  box-shadow: var(--shadow);
}
.modal-card h2 {
  font-family: var(--display);
  font-size: 1.35rem;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}
.modal-x {
  position: absolute;
  top: 0.55rem;
  inset-inline-end: 0.75rem;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.45rem;
  cursor: pointer;
  line-height: 1;
}
.modal-card label {
  display: block;
  margin-top: 0.8rem;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 500;
}
.modal-card input {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.75rem 0.85rem;
  border-radius: 0.65rem;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--fg);
  font: inherit;
}
.modal-card input:focus {
  outline: none;
  border-color: var(--fg);
}
.or {
  text-align: center;
  color: var(--muted);
  margin: 1rem 0 0.25rem;
  font-size: 0.8rem;
}
.err { color: var(--err); min-height: 1.2em; font-size: 0.88rem; }
.muted { color: var(--muted); }

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--line);
  border-top-color: var(--fg);
  border-radius: 50%;
  display: inline-block;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-inline-end: 0.35rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 640px) {
  .top { padding: 0.95rem 1rem; }
  main { padding: 2rem 1rem 5rem; }
  .foot { padding: 1rem; }
  .drop { min-height: 240px; }
}