:root {
    --bg: #eef1f6;
    --card: #ffffff;
    --ink: #1c2534;
    --muted: #6b7688;
    --line: #dce1ea;
    --primary: #1f4bd8;
    --primary-ink: #fff;
    --ok-bg: #e7f6ec; --ok-ink: #1c7a3f;
    --warn-bg: #fdf3e2; --warn-ink: #9a6a10;
    --err-bg: #fdecec; --err-ink: #b02525;
    --info-bg: #e8eefb; --info-ink: #1f4bd8;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    background: var(--bg); color: var(--ink); font-size: 14px; line-height: 1.5;
}

h1 { font-size: 1.5rem; margin: 0; }
h2.h5 { font-size: 1.05rem; margin: 0 0 .75rem; }
.h4 { font-size: 1.25rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.mono { font-family: "Cascadia Code", ui-monospace, monospace; }
.num { text-align: right; }

/* Cards & layout */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1.1rem 1.25rem; margin-bottom: 1.1rem; }
.card.narrow, .narrow { max-width: 560px; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.1rem; gap: 1rem; }
.head-actions { display: flex; gap: .5rem; }
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--muted); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: .4rem; cursor: pointer;
    border: 1px solid var(--line); background: #fff; color: var(--ink);
    padding: .45rem .85rem; border-radius: 7px; font-size: .9rem; text-decoration: none;
}
.btn:hover { border-color: #c3cbd8; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn-primary:hover { background: #1a41bd; }
.btn-sm { padding: .25rem .55rem; font-size: .82rem; }
.btn-block { width: 100%; justify-content: center; margin-top: .5rem; }
.btn-link { border: none; background: none; color: var(--primary); }
.btn .danger, .btn.danger { color: var(--err-ink); border-color: #f0c9c9; }
.linkbtn { border: none; background: none; color: var(--primary); cursor: pointer; padding: 0 .25rem; font-size: .82rem; }

/* Forms */
.field { display: flex; flex-direction: column; gap: .25rem; margin-bottom: .75rem; flex: 1; }
.field > span { font-size: .82rem; color: var(--muted); }
.input { border: 1px solid var(--line); border-radius: 7px; padding: .45rem .6rem; font-size: .9rem; width: 100%; background: #fff; }
.input.sm { padding: .25rem .4rem; font-size: .82rem; }
.approve-row { display: flex; gap: .75rem; align-items: flex-end; margin-bottom: .5rem; }

/* Tables */
table.grid { width: 100%; border-collapse: collapse; }
table.grid th, table.grid td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
table.grid th { font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
table.grid tr.dup { background: #fffaf0; }
table.grid tr.clickable { cursor: pointer; }
table.grid tr.clickable:hover { background: #f4f7fc; }
table.grid tr.explain-row td { background: #f7f9fc; }
.row-actions { display: flex; gap: .35rem; white-space: nowrap; }

/* Badges */
.badge { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .76rem; font-weight: 600; }
.badge.ok { background: var(--ok-bg); color: var(--ok-ink); }
.badge.warn { background: var(--warn-bg); color: var(--warn-ink); }
.badge.err { background: var(--err-bg); color: var(--err-ink); }
.badge.info { background: var(--info-bg); color: var(--info-ink); }
.badge.lock { background: #eceff4; color: var(--muted); }

/* Banners */
.banner { padding: .6rem .9rem; border-radius: 8px; margin-bottom: 1rem; }
.banner.ok { background: var(--ok-bg); color: var(--ok-ink); }
.banner.warn { background: var(--warn-bg); color: var(--warn-ink); }
.banner.err { background: var(--err-bg); color: var(--err-ink); }
.error { color: var(--err-ink); margin-top: .5rem; }

/* Summary grid */
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: .6rem 1.25rem; }
.summary-grid .k { display: block; font-size: .74rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }

/* Issues + explanation */
.issues { margin: 0; padding-left: 1.1rem; }
.issues li { margin-bottom: .3rem; }
.detail { display: flex; flex-direction: column; gap: .6rem; padding: .2rem 0; }
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: .4rem 1.25rem; }
.detail-grid .k { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
.newitem-panel { border: 1px solid #f0dfae; background: #fffaf0; border-radius: 8px; padding: .6rem .8rem; }
.newitem-panel p { margin: .3rem 0 .5rem; }
.explain ul { margin: .3rem 0; padding-left: 1.1rem; }
.explain li.penalty { color: var(--err-ink); }
.explain .fk { font-weight: 600; }
.explain .fw { color: var(--muted); font-size: .8rem; }
.search-results { list-style: none; margin: .4rem 0 0; padding: 0; border: 1px solid var(--line); border-radius: 7px; }
.search-results li { padding: .2rem .5rem; border-bottom: 1px solid var(--line); }
.search-results li:last-child { border-bottom: none; }

/* Login */
.login-card { width: 340px; }
.login-card .btn-block { margin-top: 1rem; }

/* Processing stages */
.stages { list-style: none; margin: 0; padding: 0; }
.stages li { display: flex; align-items: center; gap: .6rem; padding: .4rem 0; color: var(--muted); }
.stages li .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--line); flex: none; }
.stages li.active { color: var(--ink); font-weight: 600; }
.stages li.active .dot { background: var(--primary); animation: pulse 1s infinite; }
.stages li.done { color: var(--ok-ink); }
.stages li.done .dot { background: var(--ok-ink); }
.stages li .count { margin-left: auto; font-variant-numeric: tabular-nums; color: var(--primary); }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }