:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --ink: #1a2332;
  --muted: #5b6b7c;
  --line: #e2e8f0;
  --brand: #0b3d5c;
  --brand-2: #1a6b8a;
  --accent: #c45c26;
  --ok: #1f7a4c;
  --warn: #b45309;
  --danger: #b91c1c;
  --blocked: #7c2d12;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 8px 24px rgba(16,24,40,.06);
  --radius: 12px;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { min-height: 100vh; }
a { color: var(--brand-2); }
button, input, select, textarea {
  font: inherit;
}
.hidden { display: none !important; }

/* Login */
#login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(26,107,138,.18), transparent),
    radial-gradient(900px 400px at 100% 0%, rgba(196,92,38,.12), transparent),
    var(--bg);
}
.login-card {
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow);
}
.login-card h1 { margin: 0 0 4px; font-size: 1.45rem; color: var(--brand); }
.login-card .sub { color: var(--muted); margin: 0 0 24px; font-size: .95rem; }
.login-card label { display: block; font-size: .85rem; margin: 0 0 6px; color: var(--muted); }
.login-card input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 14px;
}
.login-card button {
  width: 100%;
  padding: 12px;
  border: 0;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
.login-card button:hover { background: var(--brand-2); }
.login-error { color: var(--danger); font-size: .9rem; min-height: 1.2em; margin-bottom: 8px; }
.login-note { margin-top: 16px; font-size: .8rem; color: var(--muted); line-height: 1.4; }

/* App shell */
#app-view { display: flex; flex-direction: column; min-height: 100vh; }
.topbar {
  background: var(--brand);
  color: #fff;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.topbar .brand { font-weight: 700; letter-spacing: .02em; }
.topbar .brand span { opacity: .75; font-weight: 500; margin-left: 8px; font-size: .9rem; }
.topbar nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.topbar nav button {
  background: transparent;
  border: 0;
  color: rgba(255,255,255,.85);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}
.topbar nav button.active, .topbar nav button:hover {
  background: rgba(255,255,255,.14);
  color: #fff;
}
.userbox { display: flex; align-items: center; gap: 10px; font-size: .9rem; }
.userbox button {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
}

.main { padding: 20px; max-width: 1400px; margin: 0 auto; width: 100%; }

.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; } }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
}
.card h2 { margin: 0 0 10px; font-size: 1.05rem; color: var(--brand); }
.countdown {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.countdown .days {
  font-size: 2.6rem;
  font-weight: 750;
  color: var(--accent);
  line-height: 1;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.stat {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
}
.stat .n { font-size: 1.35rem; font-weight: 700; }
.stat .l { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.progress {
  height: 10px;
  background: #e8eef3;
  border-radius: 999px;
  overflow: hidden;
  margin-top: 12px;
}
.progress > i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--brand-2), #2f9e7a);
}
.note { font-size: .85rem; color: var(--muted); margin-top: 10px; line-height: 1.45; }
.warn-banner {
  background: #fff7ed;
  border: 1px solid #fdba74;
  color: #9a3412;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: .85rem;
  margin-bottom: 14px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  align-items: center;
}
.toolbar input, .toolbar select {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.toolbar .spacer { flex: 1; }
.btn {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
}
.btn.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn:hover { filter: brightness(1.03); }

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
table.tasks { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 980px; }
table.tasks th, table.tasks td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
table.tasks th {
  background: #f1f5f9;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  position: sticky;
  top: 0;
}
table.tasks tr.overdue { background: #fef2f2; }
table.tasks tr.blocked { background: #fff7ed; }
table.tasks tr.overdue.blocked { background: #ffe4e6; }
table.tasks select, table.tasks input, table.tasks textarea {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  padding: 4px 6px;
  border-radius: 6px;
}
table.tasks select:focus, table.tasks input:focus, table.tasks textarea:focus {
  border-color: var(--brand-2);
  background: #fff;
  outline: none;
}
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 600;
}
.badge.critical { background: #fee2e2; color: #991b1b; }
.badge.high { background: #ffedd5; color: #9a3412; }
.badge.medium { background: #e0f2fe; color: #075985; }
.badge.gate { background: #ecfdf5; color: #065f46; }
.muted { color: var(--muted); }
.title-cell { font-weight: 600; }
.ws { font-size: .78rem; color: var(--muted); }

.phase-list { display: grid; gap: 8px; }
.phase {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fafc;
}
.phase .meta { font-size: .8rem; color: var(--muted); }

.list-cards { display: grid; gap: 10px; }
.list-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  background: #fff;
}
.list-card h3 { margin: 0 0 6px; font-size: .98rem; }
.list-card .meta { font-size: .8rem; color: var(--muted); }
.sev-Critical { border-left: 4px solid var(--danger); }
.sev-High { border-left: 4px solid var(--warn); }

.history-item {
  display: grid;
  grid-template-columns: 160px 100px 1fr;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: .88rem;
}
@media (max-width: 700px) {
  .history-item { grid-template-columns: 1fr; }
}

.footer-note {
  margin-top: 20px;
  font-size: .78rem;
  color: var(--muted);
  text-align: center;
}