:root {
  --bg: #eef2f6;
  --bg-2: #e4eaf1;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-solid: #ffffff;
  --surface-2: #f7f9fc;
  --text: #0f172a;
  --muted: #5b677a;
  --line: rgba(15, 23, 42, 0.08);
  --accent: #0f766e;
  --accent-2: #115e59;
  --accent-soft: rgba(15, 118, 110, 0.12);
  --danger: #b42318;
  --danger-soft: rgba(180, 35, 24, 0.1);
  --ok: #067647;
  --ok-soft: rgba(6, 118, 71, 0.12);
  --warn: #b54708;
  --shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
  --radius: 16px;
  --nav: 72px;
  --font: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
[data-theme="dark"] {
  --bg: #0b1220;
  --bg-2: #0e1728;
  --surface: rgba(21, 29, 46, 0.82);
  --surface-solid: #151d2e;
  --surface-2: #1b2438;
  --text: #e8eef7;
  --muted: #9aa8bd;
  --line: rgba(232, 238, 247, 0.1);
  --accent: #2dd4bf;
  --accent-2: #5eead4;
  --accent-soft: rgba(45, 212, 191, 0.12);
  --danger: #fda29b;
  --danger-soft: rgba(253, 162, 155, 0.12);
  --ok: #75e0a7;
  --ok-soft: rgba(117, 224, 167, 0.12);
  --warn: #fec84b;
  --shadow: 0 16px 50px rgba(0, 0, 0, 0.35);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background:
    radial-gradient(1200px 500px at 10% -10%, var(--accent-soft), transparent 50%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  color: var(--text);
  min-height: 100vh;
  line-height: 1.45;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.icon { display: inline-block; vertical-align: -3px; flex-shrink: 0; }

.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 12px;
  min-height: var(--nav); padding: 10px 18px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); font-weight: 700; letter-spacing: -.02em;
  text-decoration: none; white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--accent); color: #fff;
}
[data-theme="dark"] .brand-mark { color: #042f2e; }
.nav-links { display: flex; gap: 4px; flex: 1; overflow: auto; }
.nav-links a {
  color: var(--muted); padding: 8px 12px; border-radius: 10px;
  text-decoration: none; white-space: nowrap; font-weight: 600; font-size: 0.95rem;
}
.nav-links a.active, .nav-links a:hover { background: var(--accent-soft); color: var(--text); text-decoration: none; }
.search-form { flex: 0 1 280px; }
.search-form input {
  width: 100%; border: 1px solid var(--line); background: var(--surface-solid);
  color: var(--text); border-radius: 999px; padding: 8px 14px 8px 36px;
}
.top-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid transparent; border-radius: 11px; cursor: pointer;
  font: inherit; font-weight: 650; line-height: 1;
}
.icon-btn {
  width: 40px; height: 40px; background: var(--surface-2); color: var(--text); border-color: var(--line);
}
.btn { padding: 10px 14px; background: var(--accent); color: #fff; }
[data-theme="dark"] .btn { color: #042f2e; }
.btn:hover { filter: brightness(1.05); text-decoration: none; color: inherit; }
.btn-ghost { background: var(--surface-2); color: var(--text); border-color: var(--line); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 7px 10px; font-size: 0.88rem; }
.menu-toggle { display: none; }

.page { width: min(1240px, calc(100% - 28px)); margin: 22px auto 60px; }
.page-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 18px; flex-wrap: wrap; }
.page-head h1 { margin: 0 0 4px; font-size: 1.7rem; letter-spacing: -.03em; }
.lede { color: var(--muted); margin: 0; }
.crumbs { display: flex; gap: 8px; flex-wrap: wrap; color: var(--muted); font-size: 0.9rem; margin-bottom: 10px; }
.crumbs a { color: var(--muted); }

.grid { display: grid; gap: 14px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--surface); backdrop-filter: blur(12px);
  border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px;
}
.stat { padding: 16px 18px; }
.stat b { display: block; font-size: 1.6rem; letter-spacing: -.03em; }
.stat span { color: var(--muted); font-size: 0.9rem; }

.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: .04em; }
.code { font-family: var(--mono); font-size: 0.82rem; color: var(--accent); }

.badge, .prio-must, .prio-high, .prio-med, .prio-low, .st-plan, .st-work, .st-ok, .st-done, .st-no {
  display: inline-flex; align-items: center; border-radius: 999px;
  padding: 3px 8px; font-size: 0.75rem; font-weight: 700; white-space: nowrap;
}
.prio-must { background: var(--danger-soft); color: var(--danger); }
.prio-high { background: rgba(181, 71, 8, 0.12); color: var(--warn); }
.prio-med { background: var(--accent-soft); color: var(--accent-2); }
.prio-low { background: var(--surface-2); color: var(--muted); }
.st-plan { background: var(--surface-2); color: var(--muted); }
.st-work { background: rgba(29, 78, 216, 0.12); color: #3b82f6; }
.st-ok { background: var(--ok-soft); color: var(--ok); }
.st-done { background: var(--ok-soft); color: var(--ok); }
.st-no { background: var(--danger-soft); color: var(--danger); }

.flash { border-radius: 12px; padding: 12px 14px; margin-bottom: 14px; }
.flash-success { background: var(--ok-soft); color: var(--ok); }
.flash-error { background: var(--danger-soft); color: var(--danger); }

.form-grid { display: grid; gap: 12px; }
label { display: grid; gap: 6px; font-weight: 650; font-size: 0.92rem; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--surface-solid);
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
}
textarea { min-height: 120px; resize: vertical; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.filters input, .filters select { min-width: 140px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }

.group { margin-bottom: 18px; }
.group h2 { margin: 0 0 8px; font-size: 1.15rem; }
.group h3 { margin: 12px 0 6px; font-size: 0.98rem; color: var(--muted); }
.spec-row { display: grid; grid-template-columns: 22px 92px 1fr; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); align-items: start; }
.spec-row summary { cursor: pointer; font-weight: 650; }
.spec-meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.muted { color: var(--muted); }
.progress { height: 8px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--accent); }
.project-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }

.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(420px, 100%); }
.login-card h1 { margin: 0 0 6px; }
.overlay {
  position: fixed; inset: 0; background: rgba(8, 12, 20, 0.45);
  display: none; z-index: 50; padding: 18px;
}
.overlay.open { display: grid; place-items: start center; overflow: auto; }
.modal {
  width: min(720px, 100%); background: var(--surface-solid);
  border-radius: 18px; padding: 18px; margin: 40px auto; border: 1px solid var(--line);
}
.mobile-nav {
  display: none; position: fixed; top: 0; left: 0; bottom: 0; width: min(300px, 86vw); z-index: 60;
  background: var(--surface-solid); padding: 18px; border-right: 1px solid var(--line);
  flex-direction: column; gap: 8px; box-shadow: var(--shadow);
}
.mobile-nav a { padding: 12px; border-radius: 10px; color: var(--text); text-decoration: none; font-weight: 650; }
.mobile-nav.open { display: flex; }
.copy-box { width: 100%; min-height: 360px; font-family: var(--mono); font-size: 0.85rem; }
.pager { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.empty { padding: 28px; text-align: center; color: var(--muted); }

@media (max-width: 980px) {
  .grid-4, .grid-3 { grid-template-columns: 1fr 1fr; }
  .nav-links, .search-form { display: none; }
  .menu-toggle { display: inline-flex; }
  .top-actions a, .top-actions form { display: none; }
  .spec-row { grid-template-columns: 22px 1fr; }
  .spec-row .code, .spec-row .row-actions { grid-column: 2; }
}
@media (max-width: 680px) {
  .grid-4, .grid-3, .grid-2, .row-2, .row-3 { grid-template-columns: 1fr; }
  .page { width: min(100% - 16px, 1240px); }
  table { min-width: 640px; }
}