:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #1c2733;
  --muted: #64748b;
  --brand: #1f5f70;
  --teal: #2d6e80;
  --accent: #f5831f;
  --danger: #dc2626;
  --ok: #16a34a;
  --warn: #d97706;
  --border: #dbe2ea;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; }

/* ---- login ---- */
#login-screen {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  width: 100%; max-width: 22rem;
  box-shadow: 0 4px 20px rgba(0,0,0,.06);
}
.login-logo { display: block; margin: 0 auto .75rem; width: 72px; height: auto; }
.login-card h1 { margin: 0 0 .25rem; color: var(--brand); font-size: 1.5rem; text-align: center; }
.subtitle { margin: 0 0 1.25rem; color: var(--muted); font-size: .85rem; text-align: center; }
.login-card label { display: block; font-size: .8rem; color: var(--muted); margin: .75rem 0 .25rem; }
.login-card input {
  width: 100%; padding: .55rem .7rem;
  border: 1px solid var(--border); border-radius: 8px;
}
.login-card button[type=submit] {
  margin-top: 1.1rem; width: 100%;
  background: var(--brand); color: #fff;
  border: 0; border-radius: 8px; padding: .6rem;
}
.hint { font-size: .78rem; color: var(--teal); margin: .4rem 0 0; }
.error { color: var(--danger); font-size: .82rem; min-height: 1em; margin: .6rem 0 0; }

/* ---- header / tabs ---- */
header {
  display: flex; align-items: center; gap: .5rem;
  background: var(--brand); color: #fff;
  padding: .65rem .9rem;
  padding-top: calc(.65rem + env(safe-area-inset-top));
  position: sticky; top: 0; z-index: 10;
}
.brand-chip {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 7px; background: #fff;
}
.brand-chip img { width: 20px; height: auto; }
.brand { font-weight: 700; letter-spacing: .02em; }
.spacer { flex: 1; }
.me { font-size: .85rem; opacity: .9; }
.icon-btn {
  background: rgba(255,255,255,.12); color: #fff;
  border: 0; border-radius: 8px; padding: .3rem .55rem; font-size: 1rem;
}
.icon-btn.on { background: rgba(255,255,255,.35); }

.tabs {
  display: flex; background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: calc(2.6rem + env(safe-area-inset-top)); z-index: 9;
}
.tab {
  flex: 1; padding: .7rem; background: none; border: 0;
  border-bottom: 3px solid transparent;
  color: var(--muted); font-weight: 600;
}
.tab.active { color: var(--brand); border-bottom-color: var(--accent); }

main { max-width: 46rem; margin: 0 auto; padding: 1rem .9rem 3rem; }

/* ---- add form ---- */
.add-form {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: .8rem; margin-bottom: .9rem;
}
.add-form textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 8px;
  padding: .5rem .65rem; resize: vertical;
}
.form-row { display: flex; gap: .6rem; margin-top: .55rem; }
.form-row select {
  flex: 1; padding: .45rem .5rem;
  border: 1px solid var(--border); border-radius: 8px; background: #fff;
}
.form-row button {
  background: var(--accent); color: #fff; border: 0;
  border-radius: 8px; padding: .45rem .9rem; font-weight: 600;
}

/* ---- filters ---- */
.filters {
  display: flex; flex-wrap: wrap; gap: .5rem; align-items: center;
  margin-bottom: .8rem; font-size: .85rem;
}
.filters select {
  padding: .35rem .5rem; border: 1px solid var(--border);
  border-radius: 8px; background: #fff;
}
.sort-btn {
  background: #fff; border: 1px solid var(--border);
  border-radius: 8px; padding: .35rem .6rem;
}
.status-filters { display: flex; flex-direction: column; gap: .2rem; }
.filter-row { display: flex; flex-wrap: wrap; gap: .15rem .7rem; }
.status-filters label {
  display: inline-flex; align-items: center; gap: .28rem;
  color: var(--muted); white-space: nowrap;
}

/* ---- items ---- */
.items { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .6rem; }
.item {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: .7rem .8rem;
}
.item-text { white-space: pre-wrap; word-break: break-word; margin-bottom: .45rem; }
.status-Cancelled .item-text,
.status-Delayed .item-text {
  text-decoration: line-through;
  text-decoration-style: wavy;
  text-decoration-color: var(--danger);
  color: var(--muted);
}
.status-Removed { opacity: .55; }

.item-meta {
  display: flex; flex-wrap: wrap; gap: .3rem .7rem;
  font-size: .76rem; color: var(--muted); margin-bottom: .5rem;
}
.badge {
  display: inline-block; padding: .1rem .5rem; border-radius: 999px;
  font-size: .72rem; font-weight: 600; color: #fff;
}
.sev-Critical { background: var(--danger); }
.sev-Important { background: var(--warn); }
.sev-AsNeeded { background: var(--muted); }
.rel-FirstRelease { background: var(--teal); }
.rel-NextRelease { background: #7c3aed; }
.rel-FutureRelease { background: var(--muted); }

.status-note { color: var(--brand); font-weight: 600; }
.status-note.is-Fixed, .status-note.is-Approved { color: var(--ok); }
.status-note.is-Cancelled, .status-note.is-Delayed, .status-note.is-Removed { color: var(--danger); }
.status-note.is-Working { color: var(--warn); }

.item-actions {
  display: flex; flex-wrap: wrap; gap: .4rem; align-items: center;
}
.item-actions button {
  background: #fff; border: 1px solid var(--border);
  border-radius: 7px; padding: .28rem .6rem; font-size: .8rem;
}
.item-actions button.primary { border-color: var(--teal); color: var(--teal); }
.item-actions button.danger { border-color: var(--danger); color: var(--danger); }
.approve-label {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .85rem; font-weight: 600; color: var(--ok);
}
.empty { color: var(--muted); text-align: center; padding: 1.5rem 0; font-size: .9rem; }

/* ---- inline edit ---- */
.edit-text {
  width: 100%; border: 1px solid var(--teal); border-radius: 8px;
  padding: .5rem .65rem; resize: vertical;
}
.edit-row { display: flex; gap: .5rem; margin-top: .5rem; }
.edit-row select {
  flex: 1; padding: .35rem .5rem;
  border: 1px solid var(--border); border-radius: 8px; background: #fff;
}
.edit-row button {
  border: 1px solid var(--border); background: #fff;
  border-radius: 7px; padding: .3rem .8rem; font-size: .85rem;
}
.edit-row button.save { background: var(--teal); border-color: var(--teal); color: #fff; font-weight: 600; }