:root {
  --brand: #009b77;
  --brand-dark: #007a5e;
  --brand-soft: #e3f4ee;
  --ink: #13231f;
  --muted: #5b6b67;
  --line: #d6e4df;
  --bg: #f3f7f5;
  --card: #ffffff;
  --danger: #c2412d;
  --danger-soft: #fdecea;
  --warn: #8a5a00;
  --warn-soft: #fff4dc;
  --radius: 10px;
  --font: "Segoe UI", "Noto Sans", Roboto, system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: var(--font); color: var(--ink); background: var(--bg); font-size: 15px; line-height: 1.5; }
a { color: var(--brand-dark); }
h1 { font-size: 1.6rem; margin: 0 0 4px; line-height: 1.25; }
h2 { font-size: 1.05rem; margin: 0; }
small, .muted { color: var(--muted); }
:focus-visible { outline: 3px solid rgba(0, 155, 119, .45); outline-offset: 2px; }

/* ---------- login (same look as the AEPL Proposal Tool) ---------- */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px;
  background: linear-gradient(135deg, #e1f3ec 0%, #eaf4f0 45%, #f1f4f4 100%);
}
.auth-card {
  width: 100%; max-width: 448px; background: #fff; border-radius: 12px;
  padding: 44px 32px 28px; box-shadow: 0 12px 34px rgba(19, 60, 48, .12);
}
.auth-logo { display: block; width: 100%; max-width: 384px; margin: 0 auto 36px; }
.auth-title { text-align: center; font-size: 1.55rem; font-weight: 700; margin: 0; }
.auth-sub { text-align: center; color: var(--brand); font-size: .95rem; margin: 4px 0 30px; }
.auth-foot { text-align: center; color: var(--muted); font-size: .8rem; margin-top: 22px; }
.auth-note { background: var(--brand-soft); color: var(--brand-dark); border-radius: 8px; padding: 10px 12px;
  font-size: .88rem; margin-bottom: 18px; }

/* ---------- forms ---------- */
label { display: block; font-weight: 600; font-size: .9rem; margin: 0 0 6px; }
.field { margin-bottom: 18px; }
input[type=text], input[type=password], input[type=search], select, textarea, input:not([type]) {
  width: 100%; height: 42px; padding: 0 14px; border: 1px solid #c9d6d2; border-radius: 6px;
  font: inherit; color: var(--ink); background: #fff;
}
textarea { height: auto; padding: 10px 14px; }
input::placeholder { color: #8b9a96; }
input:focus, select:focus, textarea:focus { border-color: var(--brand); outline: none; box-shadow: 0 0 0 3px rgba(0,155,119,.15); }
input[type=file] { font: inherit; max-width: 100%; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 400; margin: 0; }
.check input { width: 16px; height: 16px; accent-color: var(--brand); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 38px; padding: 0 16px;
  border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 6px; font: inherit;
  font-weight: 600; font-size: .9rem; text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--brand); color: var(--brand-dark); }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; }
.btn-danger { color: var(--danger); border-color: #efc5bd; }
.btn-danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-block { width: 100%; height: 42px; }
.btn-sm { height: 30px; padding: 0 10px; font-size: .82rem; }

/* ---------- app shell ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 24px;
  background: #fff; border-bottom: 1px solid var(--line); padding: 10px 24px;
}
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--ink); }
.brand img { height: 38px; }
.brand span { font-weight: 700; padding-left: 14px; border-left: 1px solid var(--line); }
.nav { display: flex; gap: 4px; flex: 1; }
.nav a { padding: 8px 12px; border-radius: 6px; text-decoration: none; color: var(--muted); font-weight: 600; font-size: .92rem; }
.nav a:hover { color: var(--ink); background: var(--bg); }
.nav a.active { color: var(--brand-dark); background: var(--brand-soft); }
.userbox { display: flex; align-items: center; gap: 14px; font-size: .88rem; }
.userbox .who { text-align: right; line-height: 1.2; }
.userbox .who small { display: block; }
.nav-toggle { display: none; }
.container { max-width: 1240px; margin: 0 auto; padding: 24px; }
.foot { text-align: center; color: var(--muted); font-size: .8rem; padding: 18px 0 30px; }

.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.crumbs { font-size: .88rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.crumbs a { text-decoration: none; }
.search { display: flex; gap: 8px; width: min(420px, 100%); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card + .card { margin-top: 16px; }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; gap: 10px; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; align-items: start; }
.layout.with-side { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
.hint { font-size: .85rem; color: var(--muted); margin: 10px 0 0; }
.note { background: var(--brand-soft); border-radius: 6px; padding: 8px 12px; font-size: .88rem; margin: 0 0 14px; }
.empty { color: var(--muted); padding: 18px 0; margin: 0; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: .92rem; border: 1px solid transparent; }
.alert-success { background: var(--brand-soft); color: var(--brand-dark); border-color: #bfe5d7; }
.alert-error { background: var(--danger-soft); color: var(--danger); border-color: #f2c8c0; }
.alert-warning { background: var(--warn-soft); color: var(--warn); border-color: #f0dca8; }

/* folder list */
.new-folder { display: flex; gap: 8px; margin-bottom: 12px; }
.folder-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.folder-list li { border-bottom: 1px solid var(--line); }
.folder-list a { display: flex; align-items: center; gap: 12px; padding: 11px 6px; text-decoration: none; color: var(--ink); }
.folder-list a:hover { background: var(--bg); }
.folder-list .fname { font-weight: 600; flex: 1; min-width: 0; overflow-wrap: anywhere; }
.folder-list .meta { color: var(--muted); font-size: .8rem; }
.ico { width: 22px; height: 22px; flex: none; color: var(--brand); }
.badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge { display: inline-block; font-size: .74rem; font-weight: 600; padding: 2px 8px; border-radius: 999px;
  background: #eef2f1; color: var(--muted); }
.badge-pdf { background: #fdecea; color: #b0402c; }
.badge-qr { background: var(--brand-soft); color: var(--brand-dark); }
.badge-off { background: #f1f1f1; color: #888; }

/* document + qr */
.doc { display: flex; gap: 14px; align-items: flex-start; }
.doc .ico { width: 38px; height: 38px; color: #b0402c; }
.doc strong { display: block; overflow-wrap: anywhere; }
.upload { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line); }
.qr-block { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 18px; align-items: start; }
.qr-block img { width: 170px; height: 170px; border: 1px solid var(--line); border-radius: 8px; image-rendering: pixelated; }
.copy-row { display: flex; gap: 6px; }
.copy-row input { height: 32px; font-size: .8rem; }
.checklist { max-height: 220px; overflow: auto; border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; display: grid; gap: 6px; margin-bottom: 14px; }
.checklist small { margin-left: 2px; }
details summary { cursor: pointer; font-weight: 600; font-size: .9rem; margin-top: 16px; }

table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: .8rem; color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
td form { display: inline; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 0 16px; }

/* viewer */
.viewer-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }
.viewer-head h1 { font-size: 1.3rem; overflow-wrap: anywhere; }
.pages { display: grid; gap: 14px; justify-items: center; }
.pages img { width: 100%; max-width: 980px; background: #fff; border: 1px solid var(--line); border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0,0,0,.06); aspect-ratio: 210 / 297; }
.pages img.loaded { aspect-ratio: auto; }
.protected img { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; pointer-events: none; }
.page-num { font-size: .78rem; color: var(--muted); margin-top: -8px; }
@media print { .protected { display: none !important; } }

.message { max-width: 560px; margin: 40px auto; text-align: center; }
.message h1 { margin-bottom: 10px; }
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 16px; align-items: center; }

@media (max-width: 900px) {
  .layout.with-side { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .topbar { flex-wrap: wrap; padding: 10px 14px; gap: 10px; }
  .brand img { height: 30px; }
  .brand span { display: none; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .nav, .userbox { display: none; width: 100%; }
  body.nav-open .nav { display: flex; flex-direction: column; }
  body.nav-open .userbox { display: flex; justify-content: space-between; }
  .container { padding: 16px 12px; }
  .qr-block { grid-template-columns: minmax(0, 1fr); }
  .auth-card { padding: 32px 22px 22px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }