:root {
  --bg: #f4f5f3;
  --card: #ffffff;
  --ink: #16181a;
  --muted: #6b7280;
  --line: #dcdfe3;
  --accent: #1f6f3f;
  --accent-ink: #ffffff;
  --warn: #9a6700;
  --warn-bg: #fff8e5;
  --danger: #b42318;
  --danger-bg: #fef3f2;
  --ok: #1f6f3f;
  --ok-bg: #eaf5ee;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

h1, h2, h3, strong { font-family: Archivo, "IBM Plex Sans", system-ui, sans-serif; }
h2 { font-size: 15px; margin: 0 0 12px; letter-spacing: .01em; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.req { color: var(--danger); }
.grow { flex: 1 1 0; min-width: 0; }

/* ------------------------------- login ---------------------------------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; width: min(360px, 100%); display: flex; flex-direction: column; gap: 12px;
}
.login-card h1 { margin: 0; font-size: 20px; }
.login-card p { margin: 0; }

/* ------------------------------- topbar --------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { display: flex; flex-direction: column; line-height: 1.2; }
.brand .muted { font-size: 12px; }
.tabs { display: flex; gap: 4px; flex: 1 1 auto; }
.tabs button {
  border: 1px solid transparent; background: none; padding: 7px 12px; border-radius: 8px;
  font: inherit; font-weight: 500; color: var(--muted); cursor: pointer;
}
.tabs button:hover { background: #eef0ee; color: var(--ink); }
.tabs button.active { background: #eaf0ec; border-color: #cfe0d5; color: var(--accent); }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.env {
  font-family: "IBM Plex Mono", monospace; font-size: 11px; text-transform: uppercase;
  padding: 3px 8px; border-radius: 999px; background: var(--warn-bg); color: var(--warn);
  border: 1px solid #f0e2bc;
}
.env.production { background: var(--ok-bg); color: var(--ok); border-color: #c6e0d0; }
.pill {
  display: inline-block; min-width: 18px; padding: 0 5px; border-radius: 999px;
  background: var(--line); color: var(--ink); font-size: 11px; text-align: center;
}
.pill.alert { background: var(--danger); color: #fff; }

/* -------------------------------- layout -------------------------------- */
.tab { padding: 18px 20px 60px; max-width: 1240px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.span2 { grid-column: span 2; }
.row { display: flex; gap: 8px; align-items: flex-end; }
.row.wrap { flex-wrap: wrap; }

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .span2 { grid-column: auto; }
}

/* -------------------------------- fields -------------------------------- */
label, .fieldlabel { display: block; margin-bottom: 10px; font-size: 12px; font-weight: 500; color: #3a4046; }
select.unit { flex: 0 0 108px; width: 108px; }
label.check { display: inline-flex; align-items: center; gap: 6px; font-weight: 400; margin: 6px 0 0; }
input, select, textarea {
  width: 100%; padding: 7px 9px; margin-top: 3px; font: inherit; font-size: 13px;
  border: 1px solid var(--line); border-radius: 7px; background: #fff; color: var(--ink);
}
input[type=checkbox] { width: auto; margin: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid #b7d3c1; outline-offset: 0; border-color: var(--accent); }
textarea { resize: vertical; }
details { margin-bottom: 10px; }
summary { cursor: pointer; font-size: 12px; color: var(--muted); padding: 4px 0; }
summary:hover { color: var(--ink); }

/* ------------------------------- buttons -------------------------------- */
button, .ghost {
  font: inherit; font-size: 13px; font-weight: 500; cursor: pointer;
  border-radius: 7px; padding: 7px 12px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); text-decoration: none; display: inline-block;
}
button:hover, .ghost:hover { background: #f2f4f2; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.primary:hover { background: #185832; }
button.primary:disabled { opacity: .55; cursor: not-allowed; }
button.small, .ghost.small { padding: 4px 9px; font-size: 12px; }
button.link { border: none; background: none; color: var(--muted); padding: 4px; }
button.link:hover { color: var(--ink); background: none; text-decoration: underline; }

.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding: 4px 0; }

/* ----------------------------- waste items ------------------------------ */
.waste-item { border: 1px solid var(--line); border-radius: 8px; padding: 12px; margin-bottom: 12px; background: #fcfdfc; }
.waste-item-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.sub { border-top: 1px dashed var(--line); margin-top: 10px; padding-top: 10px; }
.flags { gap: 18px; margin-top: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 5px; min-height: 4px; }
.chip {
  display: inline-flex; align-items: center; gap: 5px; font-family: "IBM Plex Mono", monospace;
  font-size: 12px; background: #eaf0ec; border: 1px solid #cfe0d5; border-radius: 999px; padding: 2px 8px;
}
.chip button { border: none; background: none; padding: 0; color: var(--muted); font-size: 14px; line-height: 1; cursor: pointer; }
.chip.haz { background: var(--danger-bg); border-color: #f6cfcb; }
.component-row { display: grid; grid-template-columns: 2fr 1fr auto; gap: 8px; align-items: end; margin-bottom: 6px; }

/* ------------------------------- tables --------------------------------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
tbody tr:hover { background: #fafbfa; }
td.mono, .mono { font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.status { font-size: 11px; padding: 2px 8px; border-radius: 999px; border: 1px solid; }
.status.submitted { background: var(--ok-bg); color: var(--ok); border-color: #c6e0d0; }
.status.draft { background: #f1f2f4; color: var(--muted); border-color: var(--line); }
.status.failed { background: var(--danger-bg); color: var(--danger); border-color: #f6cfcb; }
.status.exported, .status.correction { background: var(--warn-bg); color: var(--warn); border-color: #f0e2bc; }
tr.overdue td { background: var(--danger-bg); }

/* ------------------------------ messages -------------------------------- */
.msg { border-radius: 8px; padding: 10px 12px; margin-bottom: 10px; border: 1px solid; }
.msg.error { background: var(--danger-bg); border-color: #f6cfcb; color: var(--danger); }
.msg.warn { background: var(--warn-bg); border-color: #f0e2bc; color: var(--warn); }
.msg.ok { background: var(--ok-bg); border-color: #c6e0d0; color: var(--ok); }
.msg ul { margin: 6px 0 0; padding-left: 18px; }
.error { color: var(--danger); font-size: 12px; min-height: 16px; margin: 0; }

.payload-preview pre {
  background: #16181a; color: #d7dee2; padding: 12px; border-radius: 8px; overflow: auto;
  font-family: "IBM Plex Mono", monospace; font-size: 11.5px; max-height: 380px;
}