:root {
  --bg: #f4f3ef;
  --card: #ffffff;
  --ink: #1d2433;
  --muted: #5f6878;
  --line: #e2e0d9;
  --accent: #1f5f8b;
  --accent-ink: #ffffff;
  --accent-soft: #e6f0f7;
  --ok: #1e7d4f;
  --ok-soft: #e5f4ec;
  --info: #2c5d9a;
  --info-soft: #e8eef8;
  --warn: #9a5b00;
  --warn-soft: #fbf1df;
  --err: #b42318;
  --err-soft: #fdeceb;
  --radius: 14px;
  --font: "IBM Plex Sans Arabic", "SF Arabic", "Geeza Pro", Tahoma, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171d;
    --card: #1c2028;
    --ink: #e8eaee;
    --muted: #a3aab6;
    --line: #2e3440;
    --accent: #5aa6d6;
    --accent-ink: #0c1620;
    --accent-soft: #1c2f3d;
    --ok: #4cc28a;
    --ok-soft: #173126;
    --info: #7fb0ea;
    --info-soft: #1b2838;
    --warn: #e6a93c;
    --warn-soft: #33281a;
    --err: #f2867c;
    --err-soft: #3a1f1d;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
}

.top {
  max-width: 1320px;
  margin: 0 auto;
  padding: 28px 24px 8px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

h1 { font-size: 24px; margin: 0; font-weight: 700; }
.sub { margin: 2px 0 0; color: var(--muted); }

.grid {
  max-width: 1320px;
  margin: 0 auto;
  padding: 16px 24px 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.card-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}
.card-head > div { flex: 1; min-width: 0; }

.num {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 17px;
}

h2 { font-size: 17px; margin: 0; font-weight: 600; }
.hint { margin: 2px 0 0; color: var(--muted); font-size: 13.5px; }

/* المربع الأول */
.drop {
  position: relative;
  border: 1.5px dashed var(--line);
  border-radius: 12px;
  padding: 34px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  cursor: pointer;
  color: var(--muted);
  transition: border-color .15s, background .15s;
}
.drop:hover, .drop.over { border-color: var(--accent); background: var(--accent-soft); color: var(--ink); }
.drop:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop-icon { color: var(--accent); }
.drop-text { font-weight: 500; color: var(--ink); }
.drop-sub { font-size: 13px; }
.drop.loaded { padding: 14px 16px; flex-direction: row; justify-content: center; }
.drop.loaded .drop-sub { display: none; }

.file-info { margin-top: 14px; }
.file-name { font-weight: 600; margin-bottom: 8px; word-break: break-word; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: 13px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--ink);
}
.chip b { font-weight: 600; }

/* المربع الثاني */
textarea {
  width: 100%;
  min-height: 300px;
  flex: 1;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font: inherit;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--card);
  tab-size: 4;
}
textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.text-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; color: var(--muted); font-size: 13px; }

/* الزر الرئيسي */
.action {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border: 0;
  border-radius: 10px;
  padding: 12px 34px;
  font: inherit;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.primary:hover { filter: brightness(1.08); }
.primary:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.primary:disabled, .primary[aria-disabled="true"] { opacity: .45; cursor: not-allowed; pointer-events: none; }
.primary.small { padding: 7px 16px; font-size: 14px; }
.status { margin: 0; color: var(--muted); }
.status.error { color: var(--err); font-weight: 500; }
.status.busy::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-inline-end: 8px;
  vertical-align: -2px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.link-btn {
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 14px;
  color: var(--accent);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}
.link-btn:hover { background: var(--accent-soft); }
.link-btn.small { padding: 2px 10px; font-size: 13px; }

/* المربع الثالث: المعاينة */
[hidden] { display: none !important; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.sw { width: 14px; height: 14px; border-radius: 3px; display: inline-block; }
.sw-missing { border: 1.5px dashed #d14343; background: #fdeceb; }
.sw-same { background: #fff1b8; }
.sw-unsure { background: #ffd9b3; }
.sw-dup { background: #e6dcfa; }

.preview-wrap {
  background: #e9e8e3;
  border-radius: 10px;
  padding: 14px;
  max-height: 72vh;
  overflow: auto;
}
.page {
  background: #fff;
  color: #111;
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 48px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .12);
  font-family: "Simplified Arabic", "Traditional Arabic", "Times New Roman", serif;
  font-size: 16px;
  line-height: 1.75;
  direction: rtl;
}
.page h1, .page h2, .page h3, .page h4 { font-family: var(--font); color: #1f3d64; line-height: 1.4; margin: 1.1em 0 .4em; }
.page h1 { font-size: 22px; }
.page h2 { font-size: 19px; }
.page h3, .page h4 { font-size: 17px; }
.page p { margin: 0 0 .7em; }
.page p.empty { margin: 0; line-height: 1; }
.page img { max-width: 100%; height: auto; display: inline-block; }
.page .obj { display: inline-block; padding: 2px 8px; background: #eef1f5; border-radius: 4px; font-size: 13px; color: #445; }
.page .tab { display: inline-block; width: 2em; }
.page .textbox { border: 1px solid #ccd; padding: 8px; margin: 6px 0; }
.page .page-break { border-top: 1px dashed #bbb; margin: 18px -48px; }
.page .table-wrap { overflow-x: auto; margin: 0 0 1em; }
.page table { border-collapse: collapse; margin: 0 auto; min-width: 50%; }
.page td { border: 1px solid #9aa3ae; padding: 4px 10px; vertical-align: top; }
.page td p { margin: 0; }
.page td.merged { background: #fafafa; }
.page .empty-state { color: #888; text-align: center; font-family: var(--font); }

.flag-missing { outline: 1.5px dashed #d14343; background: #fdeceb; border-radius: 3px; min-height: 1.5em; }
.flag-same { background: #fff1b8; }
.flag-unsure { background: #ffd9b3; }
.flag-dup { background: #e6dcfa; }
.missing-label { color: #b42318; font-family: var(--font); font-size: 13px; }

/* المربع الرابع: الملاحظات */
.notes { display: flex; flex-direction: column; gap: 10px; }
.empty-state { color: var(--muted); margin: 8px 0; }
.note { border-radius: 10px; padding: 12px 14px; border-inline-start: 4px solid; }
.note h3 { margin: 0; font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.note .detail { margin: 4px 0 0; font-size: 13.5px; color: var(--muted); }
.note ul { margin: 8px 0 0; padding-inline-start: 18px; font-size: 14px; }
.note li { margin: 2px 0; }
.note.ok { background: var(--ok-soft); border-color: var(--ok); }
.note.info { background: var(--info-soft); border-color: var(--info); }
.note.warn { background: var(--warn-soft); border-color: var(--warn); }
.note.error { background: var(--err-soft); border-color: var(--err); }
.note.ok h3 { color: var(--ok); }
.note.info h3 { color: var(--info); }
.note.warn h3 { color: var(--warn); }
.note.error h3 { color: var(--err); }

.top-actions { display: flex; gap: 8px; align-items: center; }
a.link-btn { text-decoration: none; display: inline-block; }

/* صفحة الدخول */
.login-body { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.login-card h1 { font-size: 21px; }
.login-form { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.login-form label { font-weight: 500; }
.login-form input {
  font: inherit;
  font-size: 16px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  text-align: left;
}
.login-form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.login-form .primary { margin-top: 8px; justify-content: center; }
.login-error { margin: 0; color: var(--err); font-size: 14px; }

@media (max-width: 980px) {
  .grid { grid-template-columns: 1fr; padding: 12px 16px 40px; }
  .top { padding: 20px 16px 4px; flex-direction: column; align-items: flex-start; }
  .page { padding: 24px 18px; }
  .page .page-break { margin: 18px -18px; }
  .card-head { flex-wrap: wrap; }
}