:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2230;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2f81f7;
  --accent-2: #238636;
  --danger: #f85149;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; height: 100%;
  background: var(--bg); color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---- buttons ---- */
.btn {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 5px 10px; cursor: pointer; font-size: 13px;
}
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: .6; cursor: default; }
.btn-primary { background: var(--accent-2); border-color: var(--accent-2); }
.btn-ghost { background: transparent; }

/* ---- login ---- */
.login-screen { display: flex; height: 100vh; align-items: center; justify-content: center; }
.login-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 40px; text-align: center; max-width: 380px;
}
.login-card h1 { margin: 0 0 8px; }
.login-card p { color: var(--muted); margin: 0 0 24px; }
.btn-primary.btn { padding: 10px 18px; font-size: 14px; text-decoration: none; display: inline-block; }

/* ---- topbar ---- */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.topbar-left { display: flex; align-items: center; gap: 18px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.tabs { display: flex; gap: 4px; }
.tab {
  background: transparent; border: none; color: var(--muted);
  padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 14px;
}
.tab.active { background: var(--panel-2); color: var(--text); }
.toggle { display: flex; align-items: center; gap: 6px; color: var(--muted); cursor: pointer; }
.user-chip { display: flex; align-items: center; gap: 4px; color: var(--muted); }
.inp {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 8px;
}

/* ---- sprint bar ---- */
.sprint-bar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: stretch;
  padding: 12px 16px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.sprint-bar:empty { display: none; }
.bar-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; align-self: center; margin-right: 2px; }
.bar-hint { color: var(--muted); font-size: 12px; align-self: center; }
.sprint-pill {
  display: flex; flex-direction: column; gap: 4px; min-width: 130px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 8px 12px; cursor: pointer; text-align: left;
}
.sprint-pill:hover { border-color: var(--accent); }
.sprint-pill.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.sprint-pill.current { background: linear-gradient(180deg, rgba(35,134,54,.18), var(--panel-2)); }
.pill-now {
  align-self: flex-start; font-size: 9px; font-weight: 700; letter-spacing: .08em;
  background: var(--accent-2); color: #fff; border-radius: 999px; padding: 1px 7px;
}
.pill-title { font-weight: 600; font-size: 13px; }
.pill-range { color: var(--muted); font-size: 11px; }
.pill-prog { display: flex; align-items: center; gap: 6px; }
.pill-bar { flex: 1; height: 5px; background: var(--border); border-radius: 999px; overflow: hidden; min-width: 50px; }
.pill-bar-fill { display: block; height: 100%; background: var(--accent-2); }
.pill-prog-txt { color: var(--muted); font-size: 10px; white-space: nowrap; }
.btn-new-sprint {
  align-self: center; background: transparent; border: 1px dashed var(--border);
  color: var(--accent); border-radius: 10px; padding: 8px 14px; cursor: pointer; text-decoration: none;
}
.btn-new-sprint:hover { border-color: var(--accent); }
.btn-new-sprint.disabled { opacity: .4; pointer-events: none; }

/* ---- filter bar: Teams vs Labels ---- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; padding: 10px 16px; border-bottom: 1px solid var(--border); }
.filter-bar:empty { display: none; }
.filter-section { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.teams-section { padding-right: 18px; border-right: 1px solid var(--border); }
.section-label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; margin-right: 4px; }
.teams-section .section-label { color: var(--accent); }
.chip {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 999px; padding: 4px 12px; cursor: pointer; font-size: 12px;
}
.chip:hover { border-color: var(--accent); }
.chip-team { font-weight: 600; border-color: #3b4252; }
.chip-team::before { content: "👥 "; }
.chip-on { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip-team.chip-on { background: var(--accent-2); border-color: var(--accent-2); }
.chip-clear { color: var(--danger); border-style: dashed; }

/* ---- board ---- */
.board { display: flex; gap: 14px; padding: 16px; overflow-x: auto; align-items: flex-start; }
.board.hidden, .stats.hidden, .hidden { display: none; }
.col {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  min-width: 280px; max-width: 300px; display: flex; flex-direction: column; max-height: calc(100vh - 160px);
}
.col-head { display: flex; justify-content: space-between; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.col-title { font-weight: 600; }
.col-count { color: var(--muted); font-size: 12px; }
.col-body { padding: 10px; overflow-y: auto; flex: 1; min-height: 60px; }
.col-body.drag-over { background: rgba(47,129,247,.08); outline: 2px dashed var(--accent); outline-offset: -4px; }

/* ---- card ---- */
.card {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px; margin-bottom: 10px; cursor: pointer;
}
.card:hover { border-color: var(--accent); }
.card.dragging { opacity: .5; }
.card-title { font-weight: 500; margin-bottom: 6px; }
.card-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 6px; }
.card-num { color: var(--muted); font-size: 12px; }
.pts-badge { background: var(--accent); color: #fff; border-radius: 999px; padding: 1px 8px; font-size: 11px; }
.sprint-badge { background: #5319e7; color: #fff; border-radius: 999px; padding: 1px 8px; font-size: 11px; }
.due-badge { background: var(--panel); border: 1px solid var(--border); color: var(--muted); border-radius: 999px; padding: 1px 8px; font-size: 11px; }
.due-badge.overdue { background: var(--danger); border-color: var(--danger); color: #fff; }
.ms-badge { color: var(--muted); font-size: 11px; }
.card-labels { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 6px; }
.label { font-size: 11px; padding: 1px 8px; border-radius: 999px; border: 1px solid; }
.label-team { color: #fff; font-weight: 600; }
.card-fields { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 6px; }
.mini-field { display: inline-flex; align-items: center; gap: 4px; font-size: 10px; color: var(--text);
  background: var(--panel); border: 1px solid var(--border); border-radius: 4px; padding: 1px 6px; }
.mini-name { color: var(--muted); text-transform: uppercase; letter-spacing: .03em; font-size: 9px; }
.mini-val { font-weight: 600; }
.card-assignees { display: flex; gap: 4px; }
.avatar { width: 20px; height: 20px; border-radius: 50%; background: var(--border); vertical-align: middle; object-fit: cover; }
.avatar-fallback {
  display: inline-flex; align-items: center; justify-content: center;
  background: #3b4252; color: #c9d1d9; font-weight: 600; line-height: 1; flex-shrink: 0;
}
.avatar-unassigned { background: transparent; border: 1px dashed var(--muted); color: var(--muted); }

/* ---- stats ---- */
.stats { padding: 16px; }
.stats-scope { font-size: 16px; margin: 0 0 16px; }
.stats-totals { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px 22px; min-width: 140px; }
.stat-value { font-size: 26px; font-weight: 700; }
.stat-label { color: var(--muted); font-size: 12px; margin-top: 4px; }
.stats-table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.stats-table th, .stats-table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.stats-table th { color: var(--muted); font-weight: 600; font-size: 12px; }
.stats-table td.strong { font-weight: 700; }
.stats-table tr.row-unassigned td { color: var(--muted); font-style: italic; background: rgba(255,255,255,.02); }

/* ---- timeline ---- */
.timeline { padding: 16px; max-width: 900px; }
.tl-bucket { margin-bottom: 22px; }
.tl-bucket-head { display: flex; align-items: baseline; gap: 10px; padding: 0 0 8px; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.tl-bucket-label { font-size: 15px; font-weight: 700; }
.tl-bucket-meta { color: var(--muted); font-size: 12px; }
.tl-rows { display: flex; flex-direction: column; gap: 6px; }
.tl-row { display: flex; align-items: center; gap: 12px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 12px; cursor: pointer; }
.tl-row:hover { border-color: var(--accent); }
.tl-row.tl-done .tl-title { text-decoration: line-through; color: var(--muted); }
.tl-date { flex-shrink: 0; width: 64px; font-size: 12px; font-weight: 600; color: var(--text);
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; padding: 4px 6px; text-align: center; }
.tl-date.overdue { background: var(--danger); border-color: var(--danger); color: #fff; }
.tl-main { flex: 1; min-width: 0; }
.tl-title { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tl-sub { display: flex; gap: 8px; align-items: center; margin-top: 4px; flex-wrap: wrap; }
.tl-status { font-size: 11px; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 1px 8px; }
.tl-range { font-size: 11px; color: var(--muted); }
.tl-assignees { display: flex; gap: 4px; flex-shrink: 0; }

/* ---- modal ---- */
.modal { position: fixed; inset: 0; z-index: 50; display: flex; align-items: flex-start; justify-content: center; }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.55); }
.modal-body {
  position: relative; background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px; margin-top: 40px; width: 560px; max-width: 94vw;
  max-height: 88vh; overflow-y: auto;
}
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.modal-num { color: var(--accent); text-decoration: none; font-weight: 600; }
.modal-repo { color: var(--muted); font-size: 12px; }
.modal-title-input { width: 100%; font-size: 16px; font-weight: 600; padding: 8px; margin-bottom: 14px;
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 6px; }
.modal-body-input { width: 100%; padding: 8px; margin-bottom: 10px;
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 6px; font-family: inherit; }
.field-row { display: flex; gap: 12px; align-items: flex-start; padding: 8px 0; border-top: 1px solid var(--border); }
.field-label { width: 110px; color: var(--muted); flex-shrink: 0; padding-top: 5px; }
.field-controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; flex: 1; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 14px; flex: 1; }
.check-row { display: flex; align-items: center; gap: 6px; cursor: pointer; }

/* read-only Fields section in the modal */
.fields-readonly { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin: 4px 0 8px; }
.ro-name { color: var(--muted); }
.ro-val { color: var(--text); }

/* labels split (Teams vs Labels) inside the modal */
.label-sections { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.label-sections .section-label { margin-top: 4px; }
.label-sections .teams + .check-grid { margin-bottom: 6px; }

/* linked pull requests */
.pr-section { border-top: 1px solid var(--border); padding-top: 8px; margin-top: 4px; }
.pr-list { display: flex; flex-direction: column; gap: 4px; margin: 6px 0; }
.pr-row { display: flex; align-items: center; gap: 8px; }
.pr-link { color: var(--accent); text-decoration: none; font-size: 13px; }
.pr-link:hover { text-decoration: underline; }
.pr-state { font-size: 10px; text-transform: uppercase; letter-spacing: .04em; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.pr-open { color: #fff; background: var(--accent-2); border-color: var(--accent-2); }
.pr-closed { color: #fff; background: var(--danger); border-color: var(--danger); }
.pr-merged { color: #fff; background: #8957e5; border-color: #8957e5; }
.pr-draft { color: var(--muted); }
.create-dyn { display: contents; }

/* ---- sprint manager ---- */
.sprint-list { display: flex; flex-direction: column; gap: 8px; margin: 8px 0 18px; }
.sprint-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.sprint-row-name { display: flex; align-items: center; gap: 6px; min-width: 130px; }
.sprint-row-field { display: flex; flex-direction: column; gap: 2px; font-size: 11px; color: var(--muted); }
.sprint-row-actions { display: flex; gap: 6px; margin-left: auto; }
.sprint-create { border-top: 1px solid var(--border); padding-top: 14px; }
.sprint-create-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 6px; }
.sprint-create-row .inp[type=text] { flex: 1; min-width: 140px; }

/* ---- misc ---- */
.loading { padding: 30px; color: var(--muted); }
.error {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--danger); color: #fff; padding: 10px 18px; border-radius: 8px; z-index: 100;
}