:root {
  --bg: #f4f5f7;
  --card: #fff;
  --ink: #1c2530;
  --muted: #6b7480;
  --line: #dde1e6;
  --brand: #1f6feb;
  --danger: #c1362f;
  --ok: #1a7f4b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 10px 16px; background: #fff; border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.topbar .brand { font-weight: 700; font-size: 1.05rem; }
.topbar nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.topbar .who { color: var(--muted); font-size: .9rem; }

.wrap { max-width: 900px; margin: 0 auto; padding: 20px 16px 60px; }
.pagehead { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

h1 { font-size: 1.4rem; }
h2 { font-size: 1.1rem; margin-top: 0; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 16px; margin: 16px 0;
}
.form label { display: block; margin: 12px 0; font-weight: 600; }
.form input[type=text], .form input[type=password], .form input[type=date],
.form input[type=file], .form select {
  display: block; width: 100%; margin-top: 4px; padding: 10px;
  border: 1px solid var(--line); border-radius: 6px; font-size: 1rem; font-weight: 400;
}
button, .btn {
  display: inline-block; padding: 9px 16px; border: 1px solid var(--brand);
  background: var(--brand); color: #fff; border-radius: 6px; font-size: .95rem;
  cursor: pointer; text-align: center;
}
.btn:hover { text-decoration: none; opacity: .92; }
.btn.ghost { background: #fff; color: var(--brand); }
.btn.danger, button.danger { background: var(--danger); border-color: var(--danger); }
.btn.js-del { padding: 6px 10px; font-size: .85rem; }

.req { color: var(--danger); font-size: .8rem; margin-left: 6px; }
.hint, .muted { color: var(--muted); font-size: .88rem; }
.alert { background: #fdecea; color: var(--danger); padding: 10px 12px; border-radius: 6px; }
.ok { color: var(--ok); }

.mlist, .flist { list-style: none; padding: 0; margin: 16px 0; }
.mlist li, .flist li { background: #fff; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 8px; }
.mlist li a { display: block; padding: 14px 16px; color: var(--ink); }
.mlist .mname { font-weight: 700; display: block; }
.mmeta { color: var(--muted); font-size: .85rem; }

.flist li { display: flex; align-items: center; gap: 12px; padding: 12px 16px; flex-wrap: wrap; }
.flist .fname { font-weight: 600; }
.flist .fmeta { color: var(--muted); font-size: .82rem; }
.flist .factions { margin-left: auto; display: flex; gap: 8px; }

.keybox .keyrow { display: flex; align-items: center; gap: 12px; }
.keybox code {
  font-size: 1.8rem; letter-spacing: .3em; background: #f0f3f8;
  padding: 8px 16px; border-radius: 6px; font-weight: 700;
}

.progress-list .prow {
  display: grid; grid-template-columns: 1fr 140px 70px; gap: 10px; align-items: center;
  padding: 6px 0; border-bottom: 1px solid var(--line); font-size: .9rem;
}
.progress-list .prow.failed .pstat { color: var(--danger); }
.progress-list progress { width: 100%; }

.tbl { width: 100%; border-collapse: collapse; margin-top: 16px; background: #fff; }
.tbl th, .tbl td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; font-size: .9rem; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.row-actions .inline { display: flex; gap: 4px; }
.row-actions input[type=text] { padding: 5px; border: 1px solid var(--line); border-radius: 4px; }
.row-actions button { padding: 5px 10px; font-size: .82rem; }

/* Viewer */
.viewer-body { background: #333; }
.viewer { max-width: 1000px; margin: 0 auto; padding: 20px 10px 60px; }
.viewer .v-page { display: block; width: 100%; height: auto; margin: 0 auto 14px; background: #fff; box-shadow: 0 1px 6px rgba(0,0,0,.4); }
.viewer .v-img { display: block; max-width: 100%; height: auto; margin: 0 auto; background: #fff; }
.viewer .v-text { background: #fff; padding: 20px; border-radius: 6px; white-space: pre-wrap; word-break: break-word; }
.viewer .docx-wrapper { background: #fff; padding: 0; }
.viewer .v-sheet { background: #fff; padding: 12px; overflow-x: auto; margin-bottom: 16px; border-radius: 6px; }
.viewer .v-sheet table { border-collapse: collapse; }
.viewer .v-sheet td { border: 1px solid #ccc; padding: 3px 6px; font-size: .85rem; }
.viewer h3 { color: #fff; }

@media (max-width: 560px) {
  .progress-list .prow { grid-template-columns: 1fr 90px 50px; }
}

/* inline forms / link-style buttons */
.inline { display: inline; margin: 0; }
.linkbtn {
  background: none; border: none; color: var(--brand); padding: 0;
  font: inherit; cursor: pointer; text-decoration: underline;
}
.topbar .linkbtn { color: var(--brand); }
.logout-form { display: inline; }

/* isolated viewer host */
.viewer-host { position: relative; }
.vframe {
  display: block; width: 100%; height: calc(100vh - 52px);
  border: 0; background: #333;
}
.host-status { color: #eee; text-align: center; padding: 20px; }
.frame-body { background: #333; margin: 0; }