:root {
  --bg: #0f1216;
  --bg-2: #161b22;
  --bg-3: #1c232d;
  --line: #2a333f;
  --fg: #e6edf3;
  --fg-dim: #9aa7b4;
  --accent: #3b82f6;
  --accent-fg: #fff;
  --ok: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.35rem; margin: 0 0 .2rem; }
h2 { font-size: 1.05rem; margin: 1.4rem 0 .6rem; }
h3 { font-size: .95rem; margin: 0 0 .5rem; }
p { margin: .4rem 0; }
small, .dim { color: var(--fg-dim); }

/* ---- nav ---- */
.nav {
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: .55rem .9rem;
  display: flex; align-items: center; gap: .35rem; flex-wrap: wrap;
}
.nav .brand { font-weight: 700; margin-right: .6rem; color: var(--fg); white-space: nowrap; }
.nav a.link {
  color: var(--fg-dim); padding: .35rem .6rem; border-radius: 8px; white-space: nowrap;
}
.nav a.link:hover { background: var(--bg-3); text-decoration: none; color: var(--fg); }
.nav a.link.active { background: var(--accent); color: var(--accent-fg); }
.nav .spacer { flex: 1; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 1rem .9rem 4rem; }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  background: var(--bg-3); color: var(--fg); border: 1px solid var(--line);
  padding: .45rem .8rem; border-radius: 8px; cursor: pointer; font-size: .9rem;
  text-decoration: none;
}
.btn:hover { border-color: var(--fg-dim); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn.sm { padding: .3rem .55rem; font-size: .82rem; }
.btn-row { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }

/* ---- forms ---- */
label { display: block; font-size: .85rem; color: var(--fg-dim); margin: .7rem 0 .25rem; }
input, select, textarea {
  width: 100%; background: var(--bg); color: var(--fg);
  border: 1px solid var(--line); border-radius: 8px; padding: .5rem .6rem; font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
textarea { min-height: 90px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .3rem .9rem; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

/* ---- cards / panels ---- */
.card {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem;
}
.grid { display: grid; gap: .8rem; }
.grid.c2 { grid-template-columns: 1fr 1fr; }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }
.grid.c4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 820px) { .grid.c3, .grid.c4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: 1fr; } }

.stat { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem 1rem; }
.stat .n { font-size: 1.7rem; font-weight: 700; }
.stat .l { color: var(--fg-dim); font-size: .85rem; }

/* ---- table ---- */
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { background: var(--bg-3); color: var(--fg-dim); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
td.wrap-cell { white-space: normal; min-width: 220px; }

/* ---- badges ---- */
.badge {
  display: inline-block; padding: .12rem .5rem; border-radius: 999px;
  font-size: .76rem; font-weight: 600; border: 1px solid transparent;
}
.t-avariya  { background: #7f1d1d33; color: #fca5a5; border-color: #7f1d1d; }
.t-planoviy { background: #1e3a8a33; color: #93c5fd; border-color: #1e40af; }
.t-montaj   { background: #14532d33; color: #86efac; border-color: #166534; }
.t-shaxsiy  { background: #78350f33; color: #fcd34d; border-color: #92400e; }
.t-aralash  { background: #3730a333; color: #c4b5fd; border-color: #4338ca; }

.p-past   { background: #33415533; color: #cbd5e1; border-color: #475569; }
.p-orta   { background: #1e3a8a33; color: #93c5fd; border-color: #1e40af; }
.p-yuqori { background: #78350f33; color: #fcd34d; border-color: #92400e; }
.p-kritik { background: #7f1d1d55; color: #fca5a5; border-color: #b91c1c; }

.s-yangi       { background: #33415533; color: #cbd5e1; border-color: #475569; }
.s-tayinlangan { background: #1e3a8a33; color: #93c5fd; border-color: #1e40af; }
.s-jarayonda   { background: #78350f33; color: #fcd34d; border-color: #92400e; }
.s-bajarildi   { background: #14532d33; color: #86efac; border-color: #166534; }
.s-bekor       { background: #33415533; color: #94a3b8; border-color: #475569; }

.overdue { color: var(--danger); font-weight: 600; }

/* ---- board ---- */
.board { display: grid; grid-template-columns: repeat(4, 1fr); gap: .7rem; align-items: start; }
@media (max-width: 900px) { .board { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .board { grid-template-columns: 1fr; } }
.board-col { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: .55rem; }
.board-col > h3 { display: flex; justify-content: space-between; padding: .1rem .3rem .5rem; }
.board-col.drop-hi { outline: 2px dashed var(--accent); }
.tcard {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: 8px;
  padding: .55rem .6rem; margin-bottom: .5rem; cursor: grab;
}
.tcard:active { cursor: grabbing; }
.tcard .tt { font-weight: 600; margin-bottom: .3rem; display: block; color: var(--fg); }
.tcard .meta { display: flex; gap: .3rem; flex-wrap: wrap; align-items: center; }
.tcard .sub { color: var(--fg-dim); font-size: .8rem; margin-top: .3rem; }

/* ---- filters ---- */
.filters { display: flex; gap: .5rem; flex-wrap: wrap; align-items: end; margin-bottom: .9rem; }
.filters > div { min-width: 130px; }
.filters label { margin: 0 0 .2rem; }
.filters .grow { flex: 1; min-width: 180px; }

/* ---- timeline ---- */
.tl { list-style: none; margin: 0; padding: 0; }
.tl li { padding: .5rem 0 .5rem .9rem; border-left: 2px solid var(--line); position: relative; }
.tl li::before {
  content: ""; position: absolute; left: -5px; top: .8rem;
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
}
.tl .k { font-size: .78rem; color: var(--fg-dim); }
.tl .b { white-space: pre-wrap; }

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.muted-row td { color: var(--fg-dim); }
hr { border: 0; border-top: 1px solid var(--line); margin: 1.2rem 0; }

/* login */
.login-box { max-width: 340px; margin: 12vh auto 0; padding: 1.5rem; }
.err { background: #7f1d1d33; border: 1px solid #b91c1c; color: #fca5a5; padding: .5rem .7rem; border-radius: 8px; font-size: .9rem; }
.flash-ok { background: #14532d33; border: 1px solid #166534; color: #86efac; padding: .5rem .7rem; border-radius: 8px; }