:root {
  --bg: #eef2f1;
  --surface: #ffffff;
  --ink: #16282a;
  --muted: #5b6e70;
  --line: #d5dedd;
  --accent: #0b6e69;
  --accent-ink: #ffffff;
  --danger: #a3261f;
  --danger-bg: #fbeceb;
  --radius: 10px;
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1a1b; --surface: #172526; --ink: #e6f0ef; --muted: #93a8a9;
    --line: #2a3d3e; --accent: #3cb8ae; --accent-ink: #082220;
    --danger: #ff8d85; --danger-bg: #3a1c1a;
  }
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; background: var(--bg); color: var(--ink);
  font: 1rem/1.5 var(--font);
}
h1 { margin: 0 0 .25rem; font-size: clamp(1.5rem, 4vw, 2rem); letter-spacing: -.01em; }
.sub { margin: 0 0 1.25rem; color: var(--muted); }
a { color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

input {
  width: 100%; padding: .75rem .85rem; font: inherit; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
input::placeholder { color: var(--muted); }
label { display: block; margin: 1rem 0 .3rem; font-weight: 600; font-size: .95rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .75rem 1.2rem; font: inherit; font-weight: 600; cursor: pointer;
  color: var(--accent-ink); background: var(--accent);
  border: 1px solid var(--accent); border-radius: var(--radius); min-height: 44px;
}
.btn:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--muted); filter: none; }
.btn-sm { padding: .4rem .8rem; min-height: 36px; font-size: .9rem; color: var(--danger); }

/* Auth pages */
.auth-page { display: grid; place-items: center; padding: 1rem; }
.auth-card {
  width: 100%; max-width: 420px; padding: clamp(1.25rem, 5vw, 2rem);
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
}
.auth-card .btn { width: 100%; margin-top: 1.5rem; }
.alt { margin: 1.25rem 0 0; text-align: center; color: var(--muted); }
.alert {
  margin: 0 0 .5rem; padding: .7rem .9rem; border-radius: var(--radius);
  color: var(--danger); background: var(--danger-bg); font-weight: 600;
}

/* App */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
  padding: .75rem clamp(1rem, 4vw, 2rem); background: var(--surface); border-bottom: 1px solid var(--line);
}
.brand { font-size: 1.15rem; color: var(--accent); }
.who { display: flex; align-items: center; gap: .75rem; min-width: 0; }
.user { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 30vw; }
.who .btn { padding: .4rem .9rem; min-height: 40px; }

.wrap { width: 100%; max-width: 680px; margin: 0 auto; padding: clamp(1.25rem, 4vw, 2.5rem) 1rem 4rem; }

.add { display: flex; gap: .6rem; margin-bottom: 1rem; }
.add input { flex: 1; min-width: 0; }

.filters { display: flex; gap: .4rem; margin-bottom: 1rem; }
.filters a {
  padding: .35rem .9rem; border-radius: 999px; text-decoration: none; color: var(--muted);
  border: 1px solid var(--line);
}
.filters a[aria-current="page"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.list { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.item {
  display: flex; align-items: center; gap: .75rem; padding: .5rem .75rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.item .edit { flex: 1; min-width: 0; }
.item .edit input { border-color: transparent; background: transparent; padding: .5rem .4rem; }
.item .edit input:hover { border-color: var(--line); }
.item .edit input:focus { background: var(--bg); }
.item.is-done .edit input { text-decoration: line-through; color: var(--muted); }

.check {
  flex: none; width: 28px; height: 28px; padding: 0; cursor: pointer;
  border: 2px solid var(--muted); border-radius: 50%; background: transparent; position: relative;
}
.check[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); }
.check[aria-pressed="true"]::after {
  content: ""; position: absolute; left: 8px; top: 3px; width: 6px; height: 12px;
  border: solid var(--accent-ink); border-width: 0 2.5px 2.5px 0; transform: rotate(45deg);
}
.empty {
  padding: 2rem 1rem; text-align: center; color: var(--muted);
  border: 1px dashed var(--line); border-radius: var(--radius);
}
.clear { margin-top: 1.25rem; text-align: right; }

@media (max-width: 480px) {
  .add { flex-direction: column; }
  .add .btn { width: 100%; }
  .item { flex-wrap: wrap; }
  .item .edit { flex-basis: calc(100% - 44px); }
  .item > form:last-child { margin-left: 40px; }
  .user { max-width: 36vw; }
}
@media (prefers-reduced-motion: no-preference) {
  .btn, input, .filters a { transition: background .15s, border-color .15s, filter .15s; }
}

/* ===== NutraxPM additions ===== */
select, textarea {
  width: 100%; padding: .7rem .85rem; font: inherit; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
textarea { resize: vertical; min-height: 3rem; }
.wrap.wide { max-width: 980px; }
.mainnav { display: flex; gap: .25rem; flex: 1; }
.mainnav a { padding: .4rem .8rem; border-radius: 999px; text-decoration: none; color: var(--muted); }
.mainnav a[aria-current="page"] { background: var(--accent); color: var(--accent-ink); }
.topbar { flex-wrap: wrap; }
.user { display: inline-flex; align-items: center; gap: .4rem; max-width: none; }
.who form { margin: 0; }

.badge { display: inline-block; padding: .15rem .6rem; border-radius: 999px; font-size: .8rem; font-weight: 600;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink); white-space: nowrap; }
.role-admin { border-color: var(--accent); color: var(--accent); }
.role-hr { border-color: #8a6d00; color: #8a6d00; }
.s-completed { border-color: var(--accent); color: var(--accent); }
.s-in_progress { border-color: #2a62a8; color: #2a62a8; }
.s-overdue, .prio-high { border-color: var(--danger); color: var(--danger); background: var(--danger-bg); }
@media (prefers-color-scheme: dark) { .role-hr { color: #e0c158; border-color: #e0c158; } .s-in_progress { color: #8bb8f0; border-color: #8bb8f0; } }

.flash { margin: 0; padding: .75rem clamp(1rem, 4vw, 2rem); font-weight: 600; }
.flash-ok { background: var(--accent); color: var(--accent-ink); }
.flash-err { background: var(--danger-bg); color: var(--danger); }

.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: .6rem; margin-bottom: 1.25rem; }
.stat { padding: .75rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.stat b { display: block; font-size: 1.6rem; line-height: 1.1; }
.stat span { color: var(--muted); font-size: .9rem; }
.stat-warn b { color: var(--danger); }

.panel { margin-bottom: 1.25rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .75rem; }
.panel summary { cursor: pointer; list-style: none; width: fit-content; }
.panel summary::-webkit-details-marker { display: none; }
.grid-form { display: grid; grid-template-columns: repeat(3, 1fr); gap: .25rem 1rem; margin-top: .75rem; }
.grid-form .span2 { grid-column: span 2; }
.grid-form .end { align-self: end; }
.grid-form .end .btn { width: 100%; }
.panel .empty { margin: .75rem 0 0; }

.filterbar { display: flex; flex-wrap: wrap; align-items: end; gap: .75rem; margin-bottom: 1rem; }
.filterbar > div { min-width: 160px; }
.filterbar label { margin-top: 0; }

.tasklist { display: grid; gap: .75rem; }
.task { padding: 1rem; background: var(--surface); border: 1px solid var(--line); border-left: 5px solid var(--muted); border-radius: var(--radius); }
.task.st-in_progress { border-left-color: #2a62a8; }
.task.st-completed { border-left-color: var(--accent); }
.task.is-off { opacity: .65; }
.task header { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; align-items: start; }
.task h2 { margin: 0; font-size: 1.1rem; overflow-wrap: anywhere; }
.badges { display: flex; flex-wrap: wrap; gap: .35rem; }
.desc { margin: .6rem 0 0; overflow-wrap: anywhere; }
.meta { display: flex; flex-wrap: wrap; gap: .4rem 1.5rem; margin: .75rem 0 0; }
.meta dt { font-size: .8rem; color: var(--muted); }
.meta dd { margin: 0; font-weight: 600; }
.remarks { margin-top: .75rem; padding: .6rem .8rem; background: var(--bg); border-radius: var(--radius); }
.remarks p { margin: .2rem 0 0; overflow-wrap: anywhere; }
.update { display: flex; flex-wrap: wrap; align-items: end; gap: .25rem 1rem; margin-top: .75rem; padding-top: .75rem; border-top: 1px solid var(--line); }
.update > div { min-width: 150px; }
.update .grow { flex: 1 1 260px; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .75rem; align-items: center; }
.actions form { margin: 0; }
.actions .inline { display: flex; gap: .5rem; }
.actions .inline input { width: 200px; padding: .4rem .7rem; }
.btn-sm { color: var(--ink); }

@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-form { grid-template-columns: 1fr; }
  .grid-form .span2 { grid-column: auto; }
  .mainnav { order: 3; flex-basis: 100%; }
  .actions .inline { flex-wrap: wrap; width: 100%; }
  .actions .inline input { flex: 1; width: auto; }
  .update .btn { width: 100%; }
  .filterbar > div, .filterbar .btn { flex: 1 1 100%; }
}