:root {
  --cyan: #29ABE2;
  --cyan-dark: #1B8FC2;
  --black: #1A1A1A;
  --tint: #E9F6FC;
  --border: #BFE3F4;
  --grey: #5A6570;
  --line: #E3E8EC;
  --bg: #F5F7F9;
  --white: #FFFFFF;
  --good: #1E7E34;
  --bad: #C0392B;
  --warn: #B7791F;
  --radius: 8px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 14px; line-height: 1.4; color: var(--black); background: var(--bg);
}
a { color: var(--cyan-dark); }
button, input, select, textarea { font: inherit; color: inherit; }

/* Header band */
.band {
  background: var(--black); border-bottom: 5px solid var(--cyan);
  height: 64px; display: flex; align-items: center; padding: 0 20px; gap: 16px; color: #fff;
}
.band img { height: 38px; }
.band .product { font-weight: 700; font-size: 20px; letter-spacing: .5px; padding-left: 16px; border-left: 1px solid #444; }
.band .product span { color: var(--cyan); }
.band .spacer { flex: 1; }
.band .tag { color: var(--cyan); font-weight: 700; font-size: 11px; letter-spacing: 1.5px; }
.band .navbtn { background: none; border: 1px solid #444; color: #fff; padding: 6px 12px; border-radius: 6px; cursor: pointer; text-decoration: none; font-size: 13px; }
.band .navbtn:hover { border-color: var(--cyan); color: var(--cyan); }

/* Buttons & inputs */
.btn {
  display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: #fff;
  padding: 7px 12px; border-radius: 6px; cursor: pointer; font-size: 13px; white-space: nowrap; text-decoration: none; color: var(--black);
}
.btn:hover { border-color: var(--cyan); }
.btn.primary { background: var(--cyan); border-color: var(--cyan); color: #fff; font-weight: 700; }
.btn.primary:hover { background: var(--cyan-dark); }
.btn.dark { background: var(--black); border-color: var(--black); color: #fff; font-weight: 700; }
.btn.danger { color: var(--bad); }
.btn.danger:hover { border-color: var(--bad); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.input, select.input, textarea.input {
  width: 100%; border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; background: #fff;
}
.input:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px var(--tint); }
label.lbl { display: block; font-size: 12px; font-weight: 700; color: var(--grey); margin: 12px 0 4px; text-transform: uppercase; letter-spacing: .5px; }

/* Login */
.login-wrap { min-height: calc(100vh - 64px); display: flex; align-items: center; justify-content: center; padding: 24px 16px; }
.login-card { background: #fff; width: 100%; max-width: 400px; border-radius: 12px; box-shadow: 0 8px 30px rgba(0,0,0,.08); overflow: hidden; }
.login-card .top { padding: 28px 28px 8px; text-align: center; }
.login-card .top img { height: 54px; }
.login-card h1 { font-size: 26px; margin: 18px 0 4px; }
.login-card h1 span { color: var(--cyan); }
.login-card p.sub { color: var(--grey); margin: 0; font-size: 13px; }
.login-card form { padding: 16px 28px 28px; }
.login-card .btn.primary { width: 100%; justify-content: center; padding: 11px; margin-top: 18px; font-size: 15px; }
.alert { background: #FDECEA; color: var(--bad); padding: 10px 12px; border-radius: 6px; font-size: 13px; margin-top: 12px; }
.foot { text-align: center; color: var(--grey); font-size: 12px; padding: 14px; border-top: 1px solid var(--line); }

/* App layout */
.layout { display: grid; grid-template-columns: 250px 1fr; height: calc(100vh - 69px); }
.sidebar { background: #fff; border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; }
.sidebar .head { padding: 14px; border-bottom: 1px solid var(--line); }
.sidebar .list { overflow-y: auto; flex: 1; padding: 6px; }
.proj { padding: 10px; border-radius: 6px; cursor: pointer; border-left: 3px solid transparent; }
.proj:hover { background: var(--bg); }
.proj.active { background: var(--tint); border-left-color: var(--cyan); }
.proj .n { font-weight: 700; }
.proj .m { font-size: 12px; color: var(--grey); }
.main { overflow-y: auto; padding: 20px 24px 60px; min-width: 0; }

.empty { text-align: center; padding: 80px 20px; color: var(--grey); }
.empty h2 { color: var(--black); }

.phead { display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.phead h1 { margin: 0; font-size: 22px; }
.phead .cust { color: var(--grey); font-size: 13px; }
.phead .grow { flex: 1; min-width: 200px; }
.stats { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 16px; min-width: 120px; }
.stat .v { font-size: 22px; font-weight: 700; }
.stat .k { font-size: 11px; color: var(--grey); text-transform: uppercase; letter-spacing: .5px; }
.stat.warn .v { color: var(--warn); }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 18px; }
.card > .ch { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.card > .ch h2 { font-size: 15px; margin: 0; }
.card > .ch .step { background: var(--black); color: #fff; width: 22px; height: 22px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; }
.card > .cb { padding: 16px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.tab { padding: 8px 14px; cursor: pointer; border: none; background: none; border-bottom: 3px solid transparent; font-weight: 700; color: var(--grey); }
.tab.active { color: var(--black); border-bottom-color: var(--cyan); }

.drop {
  border: 2px dashed var(--border); border-radius: var(--radius); background: var(--tint); padding: 28px; text-align: center; cursor: pointer;
}
.drop.over { border-color: var(--cyan); background: #d8eff9; }
.drop b { color: var(--cyan-dark); }
.drop .fmt { color: var(--grey); font-size: 12px; margin-top: 6px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row .grow { flex: 1; min-width: 200px; }
.hint { font-size: 12px; color: var(--grey); }

.engine { display: flex; gap: 10px; align-items: center; margin-top: 14px; flex-wrap: wrap; font-size: 13px; }
.engine .pill { display: inline-flex; gap: 6px; align-items: center; border: 1px solid var(--line); border-radius: 20px; padding: 5px 12px; cursor: pointer; }
.engine .pill input { accent-color: var(--cyan); margin: 0; }

.sources { margin-top: 16px; }
.src { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: 13px; }
.src:last-child { border-bottom: none; }
.src .nm { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 700; }
.badge { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 10px; background: var(--bg); color: var(--grey); font-weight: 700; white-space: nowrap; }
.badge.cyan { background: var(--tint); color: var(--cyan-dark); }
.badge.ai { background: #EEE8FB; color: #5B3DB5; }
.badge.warn { background: #FDF3E1; color: var(--warn); }

.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); background: #FAFBFC; }
.toolbar .input { width: auto; padding: 6px 10px; }
.toolbar .sep { width: 1px; height: 24px; background: var(--line); }

.tbl-wrap { overflow-x: auto; }
table.arts { width: 100%; border-collapse: collapse; }
table.arts th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: #fff; background: var(--black); padding: 8px 10px; position: sticky; top: 0; }
table.arts td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.arts tr:nth-child(even) td { background: #FBFDFE; }
table.arts tr.sel td { background: var(--tint); }
table.arts tr:hover td { background: #F0F8FC; cursor: pointer; }
table.arts td.t { font-weight: 700; min-width: 220px; max-width: 320px; }
table.arts td.c { color: var(--grey); font-size: 13px; max-width: 460px; }
table.arts td.c .clip { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
table.arts td.chk { width: 30px; }
table.arts input[type=checkbox] { accent-color: var(--cyan); width: 16px; height: 16px; }
.pager { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; font-size: 13px; color: var(--grey); }

/* Drawer */
.drawer-bg { position: fixed; inset: 0; background: rgba(0,0,0,.3); display: none; z-index: 20; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(640px, 100vw); background: #fff; z-index: 21; transform: translateX(100%); transition: transform .2s; display: flex; flex-direction: column; box-shadow: -8px 0 30px rgba(0,0,0,.15); }
.drawer.open { transform: none; }
.drawer-bg.open { display: block; }
.drawer .dh { background: var(--black); color: #fff; padding: 14px 18px; display: flex; align-items: center; border-bottom: 4px solid var(--cyan); }
.drawer .dh h3 { margin: 0; flex: 1; font-size: 16px; }
.drawer .dh button { background: none; border: none; color: #fff; font-size: 22px; cursor: pointer; }
.drawer .db { padding: 6px 18px 18px; overflow-y: auto; flex: 1; }
.drawer .df { padding: 12px 18px; border-top: 1px solid var(--line); display: flex; gap: 8px; }
.preview { border: 1px solid var(--border); background: var(--tint); border-radius: 6px; padding: 10px 14px; min-height: 60px; }
.preview p { margin: 0 0 8px; }
.fmtbar { display: flex; gap: 4px; margin-bottom: 4px; }
.fmtbar button { border: 1px solid var(--line); background: #fff; border-radius: 4px; padding: 3px 9px; cursor: pointer; font-size: 12px; }
.fmtbar button:hover { border-color: var(--cyan); }
.meta { font-size: 12px; color: var(--grey); margin-top: 14px; }

/* Modal */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.35); display: none; align-items: center; justify-content: center; z-index: 30; padding: 16px; }
.modal-bg.open { display: flex; }
.modal { background: #fff; border-radius: 10px; width: 100%; max-width: 480px; overflow: hidden; }
.modal .mh { padding: 14px 18px; border-bottom: 1px solid var(--line); font-weight: 700; font-size: 16px; }
.modal .mb { padding: 4px 18px 18px; }
.modal .mf { padding: 12px 18px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 8px; }

/* Busy overlay & toast */
.busy { position: fixed; inset: 0; background: rgba(255,255,255,.75); display: none; align-items: center; justify-content: center; z-index: 50; flex-direction: column; gap: 14px; font-weight: 700; }
.busy.open { display: flex; }
.spinner { width: 42px; height: 42px; border: 4px solid var(--tint); border-top-color: var(--cyan); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--black); color: #fff; padding: 10px 18px; border-radius: 8px; z-index: 60; display: none; max-width: 90vw; border-left: 4px solid var(--cyan); }
.toast.err { border-left-color: var(--bad); }
.toast.open { display: block; }

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; height: auto; }
  .sidebar { max-height: 220px; }
  .band .tag { display: none; }
  .main { padding: 16px; }
}

/* Version badge & release notes */
.version {
  background: none; border: 1px solid var(--cyan); color: var(--cyan); border-radius: 12px;
  padding: 2px 10px; font-size: 12px; font-weight: 700; cursor: pointer; letter-spacing: .3px;
}
.version:hover { background: var(--cyan); color: #fff; }
.version.static { cursor: default; margin-left: 6px; }
.version.static:hover { background: none; color: var(--cyan); }
.modal.notes { max-width: 620px; }
.modal.notes .mb { max-height: 60vh; overflow-y: auto; padding-top: 12px; }
.rel { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 10px; }
.rel summary { padding: 10px 14px; cursor: pointer; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.rel[open] summary { border-bottom: 1px solid var(--line); background: var(--tint); border-radius: 8px 8px 0 0; }
.rel .rel-title { width: 100%; color: var(--grey); font-size: 13px; }
.rel ul { margin: 10px 0; padding: 0 18px 0 34px; }
.rel li { margin: 4px 0; }

/* Gaps report */
details.gapq { margin-top: 12px; }
details.gapq summary { cursor: pointer; font-weight: 700; margin-bottom: 8px; }
.gapsum { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 16px; }
table.gaps { width: 100%; border-collapse: collapse; }
table.gaps td { padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.gaps td.q { font-weight: 700; width: 45%; }
table.gaps td:first-child { width: 190px; }
table.gaps td:last-child { text-align: right; width: 130px; }
.gap { display: inline-block; font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 10px; white-space: nowrap; }
.gap.bad { background: #FDECEA; color: var(--bad); }
.gap.warn { background: #FDF3E1; color: var(--warn); }
.gap.good { background: #E6F4EA; color: var(--good); }
.gap.ai { background: #EEE8FB; color: #5B3DB5; }
@media (max-width: 800px) { table.gaps td:first-child, table.gaps td:last-child { width: auto; } }