:root {
  --bg: #0d1117;
  --bg-soft: #151b23;
  --bg-card: #1c2330;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --border: #30363d;
  --accent: #2f81f7;
  --red: #f85149;
  --red-bg: rgba(248,81,73,.12);
  --yellow: #d29922;
  --yellow-bg: rgba(210,153,34,.14);
  --green: #3fb950;
  --green-bg: rgba(63,185,80,.15);
  --orange: #db6d28;
  --orange-bg: rgba(219,109,40,.14);
  --gray: #6e7681;
  --gray-bg: rgba(139,148,158,.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.hidden { display: none !important; }
.muted { color: var(--text-muted); }
.error { color: var(--red); }

button {
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
}
button:hover { background: var(--bg-card); }
button.ghost { background: transparent; }
button.primary { background: var(--accent); border-color: var(--accent); }
button.active { background: var(--accent); border-color: var(--accent); }
input[type="text"], input[type="password"], input[type="search"], input[type="file"] {
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
  width: 100%;
}

/* ─── Login ─── */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px;
  width: 320px;
  text-align: center;
}
.login-card h1 { margin: 0 0 8px; font-size: 20px; }
.login-card form { display: flex; gap: 8px; margin-top: 16px; }
.login-card input { text-align: center; font-size: 18px; letter-spacing: .2em; }

/* ─── App shell ─── */
#app { display: flex; flex-direction: column; min-height: 100vh; }
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-size: 16px; }
.brand .logo { font-size: 18px; }
.header-right { display: flex; align-items: center; gap: 10px; }

.stale-banner {
  background: var(--yellow-bg);
  color: var(--yellow);
  border-bottom: 1px solid var(--border);
  padding: 8px 24px;
  font-size: 13px;
}
.beks-empty-banner {
  background: var(--red-bg);
  color: var(--red);
  border-bottom: 1px solid rgba(248,81,73,.25);
  padding: 8px 24px;
  font-size: 13px;
  font-weight: 500;
}

/* ─── Summary tiles ─── */
.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  padding: 16px 24px;
}
.summary-tile {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gray);
  border-radius: 8px;
  padding: 12px 14px;
}
.summary-tile.red    { border-left-color: var(--red); }
.summary-tile.yellow { border-left-color: var(--yellow); }
.summary-tile.orange { border-left-color: var(--orange); }
.summary-tile.green  { border-left-color: var(--green); }
.summary-tile .label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.summary-tile .value { font-size: 22px; font-weight: 600; margin-top: 2px; }
.summary-tile .sub   { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ─── Tabs ─── */
.tabs {
  display: flex;
  gap: 0;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
}
.tabs button {
  border-radius: 0;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  padding: 10px 14px;
  color: var(--text-muted);
  font-size: 13px;
}
.tabs button.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}
.tabs button .count {
  display: inline-block;
  margin-left: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0 6px;
  font-size: 11px;
  color: var(--text-muted);
}
.tabs button.active .count { color: var(--text); }

main { flex: 1; padding: 18px 24px; }
.tab.active { display: block; }
.tab.hidden { display: none; }

.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

/* ─── Flag groups (main list) ─── */
.flag-group { margin-bottom: 10px; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }

.flag-group-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  user-select: none;
  background: var(--bg-card);
  border-left: 3px solid var(--gray);
}
.flag-group-header:hover { filter: brightness(1.12); }
.flag-group-header.red    { border-left-color: var(--red);    background: var(--red-bg); }
.flag-group-header.yellow { border-left-color: var(--yellow); background: var(--yellow-bg); }
.flag-group-header.orange { border-left-color: var(--orange); background: var(--orange-bg); }
.flag-group-header .group-name    { font-weight: 600; font-size: 13px; }
.flag-group-header .group-count   { font-size: 11px; padding: 1px 7px; background: rgba(255,255,255,.12); border-radius: 10px; }
.flag-group-header .group-owed    { margin-left: auto; font-weight: 600; font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 13px; }
.flag-group-header .group-chevron { color: var(--text-muted); font-size: 11px; margin-left: 4px; }
.flag-group-header .group-filter-btn {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.07);
  color: var(--text-muted);
  cursor: pointer;
  margin-left: 4px;
}
.flag-group-header .group-filter-btn.active {
  background: rgba(63,185,80,.2);
  border-color: var(--green);
  color: var(--green);
}

/* ─── Compact rows ─── */
.flag-row-compact { border-top: 1px solid var(--border); }
.flag-row-compact:nth-child(even) { background: rgba(255,255,255,.018); }
.flag-row-compact.snoozed, .flag-row-compact.skipped, .flag-row-compact.resolved { opacity: 0.42; }

.frc-main {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  cursor: pointer;
  flex-wrap: nowrap;
  min-width: 0;
}
.frc-main:hover { background: rgba(255,255,255,.04); }
.frc-date   { font-size: 12px; color: var(--text-muted); white-space: nowrap; min-width: 82px; flex-shrink: 0; }
.frc-rep    { font-size: 13px; font-weight: 500; min-width: 100px; max-width: 190px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex-shrink: 0; }
.frc-addr   { font-size: 12px; color: var(--text-muted); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.frc-sf     { font-size: 11px; color: var(--text-muted); white-space: nowrap; flex-shrink: 0; }
.frc-amount { font-weight: 600; font-size: 13px; font-family: "SF Mono", Menlo, Consolas, monospace; white-space: nowrap; flex-shrink: 0; min-width: 46px; text-align: right; }
.frc-actions { display: flex; gap: 4px; flex-shrink: 0; margin-left: 8px; }
.frc-actions button { font-size: 11px; padding: 3px 8px; }

.frc-detail {
  padding: 12px 14px 14px;
  border-top: 1px dashed var(--border);
  background: var(--bg);
}

/* ─── Shared 3-col detail grid (used by both compact rows and history cards) ─── */
.detail-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  font-size: 12px;
}
.detail-cols .col h4         { margin: 0 0 6px; font-size: 12px; font-weight: 600; }
.detail-cols .col .teamup    { color: var(--accent); }
.detail-cols .col .dsr       { color: var(--green); }
.detail-cols .col .beks      { color: var(--yellow); }
.detail-cols .col .row       { display: flex; gap: 6px; padding: 2px 0; }
.detail-cols .col .row .k    { color: var(--text-muted); min-width: 72px; }
.detail-cols .col .row .v    { color: var(--text); }
.detail-cols .col .row .v a  { color: var(--accent); }

/* ─── History cards (keep old card style for resolved/skipped list) ─── */
.flag-row {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gray);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 8px;
}
.flag-row.red    { border-left-color: var(--red); }
.flag-row.yellow { border-left-color: var(--yellow); }
.flag-row.orange { border-left-color: var(--orange); }
.flag-row.gray   { border-left-color: var(--gray); }
.flag-row.snoozed, .flag-row.skipped, .flag-row.resolved { opacity: 0.55; }
.flag-row .head  { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.flag-row .flag-name { font-weight: 600; font-size: 13px; cursor: pointer; }
.flag-row .flag-name:hover { text-decoration: underline; }
.flag-row .meta  { color: var(--text-muted); font-size: 12px; }
.flag-row .amount { margin-left: auto; font-weight: 600; font-family: "SF Mono", Menlo, Consolas, monospace; }
.flag-row .status-pill { font-size: 11px; padding: 2px 8px; border-radius: 10px; background: var(--gray-bg); color: var(--text-muted); }
.flag-row .status-pill.active   { background: var(--green-bg);           color: var(--green); }
.flag-row .status-pill.snoozed  { background: var(--yellow-bg);          color: var(--yellow); }
.flag-row .status-pill.resolved { background: rgba(47,129,247,.14);      color: var(--accent); }
.flag-row .actions { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.flag-row .actions button  { font-size: 12px; padding: 4px 10px; }
.flag-row .actions .resolve { color: var(--green); }
.flag-row .actions .skip    { color: var(--text-muted); }
.flag-row .detail {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}

/* ─── Errors table ─── */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 10px;
}
th, td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { color: var(--text-muted); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
tr:hover td { background: rgba(255,255,255,.02); }

.mono { font-family: "SF Mono", Menlo, Consolas, monospace; }

/* ─── Upload cards ─── */
.upload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
  margin-top: 14px;
}
.upload-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}
.upload-card h3 { margin: 0 0 6px; font-size: 14px; }
.upload-card .upload-meta { font-size: 12px; margin-bottom: 10px; }
.upload-card.stale { border-color: var(--yellow); }

/* ─── Toast ─── */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  box-shadow: 0 4px 12px rgba(0,0,0,.25);
  z-index: 100;
}
.toast.error { border-left-color: var(--red); }
.toast.ok    { border-left-color: var(--green); }

/* ─── Diff highlight for near-matches ─── */
.diff {
  background: var(--red-bg);
  color: var(--red);
  font-weight: 600;
  padding: 0 2px;
  border-radius: 2px;
}