/* Оферта на място: работен инструмент за таблет и лаптоп. Цветовете идват от config.php (--ink, --amber, --soft). */
:root {
  --paper: #F3F5F6;
  --card: #FFFFFF;
  --line: #D6DEE1;
  --text: #1C2B30;
  --muted: #5F7077;
  --danger: #B3261E;
  --ok: #1E7B4B;
  --remote: #CFE1E6;
  --radius: 8px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font: 16px/1.5 var(--font);
  padding-bottom: 150px;
}
h1, h2, h3 { margin: 0; line-height: 1.25; color: var(--ink); }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.02rem; margin: 26px 0 6px; }
p { margin: 0; }
.muted { color: var(--muted); font-size: .9rem; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

/* ---------- горна лента ---------- */
.top { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.top-in { display: flex; align-items: center; gap: 16px; max-width: 1180px; margin: 0 auto; padding: 10px 20px; }
.top-logo { height: 34px; width: auto; display: block; }
.top-title { font-weight: 600; color: var(--ink); flex: 1; }
.top-actions { display: flex; gap: 8px; }

/* ---------- бутони ---------- */
.btn {
  appearance: none; border: 1px solid transparent; border-radius: 6px; cursor: pointer;
  font: 600 .95rem/1 var(--font); padding: 12px 18px; min-height: 44px;
  display: inline-flex; align-items: center; justify-content: center; text-decoration: none;
}
.btn:disabled { opacity: .55; cursor: progress; }
.btn.primary { background: var(--ink); color: #fff; }
.btn.primary:hover:not(:disabled) { filter: brightness(1.15); }
.btn.ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn.ghost:hover:not(:disabled) { background: var(--soft); }
.btn.amber { background: var(--amber); color: var(--ink); }
.btn.amber:hover:not(:disabled) { filter: brightness(1.07); }
.btn.ghost-inv { background: transparent; border-color: rgba(255, 255, 255, .35); color: #fff; }
.btn.ghost-inv:hover:not(:disabled) { background: rgba(255, 255, 255, .1); }

/* ---------- оформление на страницата ---------- */
.layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 28px; max-width: 1180px; margin: 0 auto; padding: 24px 20px 0; }
.rail { position: sticky; top: 76px; align-self: start; display: flex; flex-direction: column; gap: 2px; max-height: calc(100vh - 100px); overflow: auto; }
.rail-link {
  display: flex; align-items: baseline; gap: 10px; padding: 8px 10px; border-radius: 6px;
  color: var(--text); text-decoration: none; font-size: .9rem; line-height: 1.35;
}
.rail-link:hover { background: #fff; }
.rail-link.strong { font-weight: 700; color: var(--ink); }
.rail-no { min-width: 20px; color: var(--muted); font-variant-numeric: tabular-nums; }
.rail-t { flex: 1; }
.rail-count { font-size: .78rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.rail-count.done { color: var(--ok); font-weight: 700; }
.main { display: flex; flex-direction: column; gap: 14px; min-width: 0; }

/* ---------- карти ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.settings { border-left: 4px solid var(--amber); }
.settings .muted { margin: 4px 0 14px; }

.card.sec { padding: 0; }
.card-head {
  width: 100%; display: flex; align-items: center; gap: 12px; text-align: left;
  background: none; border: 0; padding: 16px 20px; cursor: pointer; font: inherit; color: var(--ink);
  min-height: 56px;
}
.sec-no { font-weight: 700; font-variant-numeric: tabular-nums; min-width: 26px; color: var(--muted); }
.sec-title { flex: 1; font-weight: 600; font-size: 1.05rem; }
.count { font-size: .82rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.count.done { color: var(--ok); font-weight: 700; }
.chev { width: 10px; height: 10px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .15s; margin: 0 4px 3px; }
.card.open .chev { transform: rotate(-135deg); margin-top: 6px; }
.card.open .card-head { border-bottom: 1px solid var(--line); }
.card-body { padding: 18px 20px 22px; }

/* ---------- полета ---------- */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field.wide { grid-column: 1 / -1; }
.label-row { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.label { font-size: .88rem; color: var(--muted); line-height: 1.35; }
input[type="text"], input[type="email"], input[type="tel"], input[type="date"], input[type="password"], select, textarea {
  width: 100%; font: 16px/1.4 var(--font); color: var(--text); background: #fff;
  border: 1px solid #B9C6CA; border-radius: 6px; padding: 10px 12px; min-height: 44px;
}
textarea { resize: vertical; min-height: 64px; }
input:hover, select:hover, textarea:hover { border-color: #8EA1A7; }
input:focus, select:focus, textarea:focus { border-color: var(--ink); outline: 3px solid var(--amber); outline-offset: 0; }
.num { font-variant-numeric: tabular-nums; }
.reset { background: none; border: 0; color: var(--ink); font: 600 .8rem var(--font); cursor: pointer; padding: 2px 4px; text-decoration: underline; }

/* ---------- таблица с часове ---------- */
.hours-wrap { margin-top: 26px; }
.hours-wrap h3 { margin-top: 0; }
.hours { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: .95rem; }
.hours th, .hours td { border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: left; vertical-align: middle; }
.hours thead th { font-size: .85rem; color: var(--muted); font-weight: 600; }
.hours tbody th { font-weight: 400; }
.hours td { width: 130px; }
.hours td input { text-align: right; }
.hours tfoot th, .hours tfoot td { border-bottom: 0; border-top: 2px solid var(--ink); font-weight: 700; padding-top: 12px; }
.hours td.sum { text-align: right; padding-right: 14px; font-variant-numeric: tabular-nums; font-size: 1.05rem; }

/* ---------- секция 12 ---------- */
.sheet { border-color: var(--ink); border-width: 2px; }
.sheet-head { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 16px; }
.sheet-head .sec-no { font-size: 1.2rem; color: var(--ink); }
.sheet-head .muted { margin-top: 4px; }
.sheet-price {
  display: grid; grid-template-columns: auto 1fr; gap: 12px 28px; align-items: center;
  background: var(--soft); border-radius: var(--radius); padding: 18px 22px; margin-bottom: 20px;
}
.sp-num { font-size: 2.4rem; line-height: 1.1; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }
.sp-note { color: var(--muted); font-size: .88rem; }
.sp-side { font-size: .92rem; display: grid; gap: 3px; }
.sp-lines { color: var(--muted); font-size: .85rem; font-variant-numeric: tabular-nums; }
.sp-warn { color: var(--danger); font-size: .88rem; font-weight: 600; }

/* ---------- стъпки и изпращане ---------- */
.steps { display: grid; gap: 4px; margin-bottom: 16px; }
.check { display: flex; gap: 12px; align-items: flex-start; padding: 8px 4px; cursor: pointer; }
.check input { width: 22px; height: 22px; margin-top: 2px; accent-color: var(--ink); flex: none; }
.send-row { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.send-status { margin-top: 14px; padding: 12px 14px; border-radius: 6px; font-weight: 600; }
.send-status.ok { background: #E6F4EC; color: var(--ok); }
.send-status.err { background: #FBE9E7; color: var(--danger); }

/* ---------- лента с цената (постоянно видима) ---------- */
.ledger { position: fixed; left: 0; right: 0; bottom: 0; background: var(--ink); color: #fff; z-index: 30; border-top: 3px solid var(--amber); }
.ledger-in { display: grid; grid-template-columns: auto minmax(220px, 1fr) auto; gap: 24px; align-items: center; max-width: 1180px; margin: 0 auto; padding: 12px 20px; }
.ledger-num { font-size: 1.9rem; line-height: 1.1; font-weight: 700; color: var(--amber); font-variant-numeric: tabular-nums; }
.ledger-sub { font-size: .8rem; color: #BFD0D5; margin-top: 2px; }
.ledger-hl { display: flex; align-items: baseline; gap: 10px; font-weight: 600; margin-bottom: 6px; }
.tier { font-size: .82rem; font-weight: 400; color: #BFD0D5; }
.bar { display: flex; height: 8px; border-radius: 4px; overflow: hidden; background: rgba(255, 255, 255, .16); }
.bar i { display: block; flex: 0 1 0; transition: flex-grow .25s; }
.bar #lg-bar-r { background: var(--remote); }
.bar #lg-bar-o { background: var(--amber); }
.ledger-legend { display: flex; gap: 16px; margin-top: 6px; font-size: .78rem; color: #BFD0D5; font-variant-numeric: tabular-nums; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 6px; }
.dot.r { background: var(--remote); }
.dot.o { background: var(--amber); }
.ledger-btns { display: flex; gap: 8px; }
.ledger.empty .ledger-num { color: #86A0A8; }

/* ---------- диалог за преглед ---------- */
.modal { width: min(920px, 96vw); height: 90vh; padding: 0; border: 0; border-radius: 10px; overflow: hidden; }
.modal[open] { display: flex; flex-direction: column; }
.modal::backdrop { background: rgba(10, 25, 30, .6); }
.modal-head { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.modal-head .muted { flex: 1; }
.modal iframe { flex: 1; width: 100%; border: 0; background: #E9EEF1; }

.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: 150px; z-index: 40; background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 6px; max-width: min(560px, 92vw); font-weight: 600; box-shadow: 0 6px 24px rgba(0, 0, 0, .25); }
.toast.err { background: var(--danger); }
.toast.ok { background: var(--ok); }
.toast[hidden] { display: none; }

/* ---------- вход ---------- */
.login-body { padding: 0; display: grid; place-items: center; min-height: 100vh; }
.login { width: min(400px, 92vw); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; display: grid; gap: 14px; }
.login-logo { height: 40px; width: auto; justify-self: start; }
.error { color: var(--danger); font-weight: 600; }

/* ---------- таблет и телефон ---------- */
@media (max-width: 1000px) {
  .layout { grid-template-columns: minmax(0, 1fr); padding-top: 16px; }
  .rail { display: none; }
}
@media (max-width: 720px) {
  body { padding-bottom: 190px; }
  .grid { grid-template-columns: 1fr; }
  .top-title { display: none; }
  .top-logo { flex: 1; height: 30px; object-fit: contain; object-position: left; }
  .sheet-price { grid-template-columns: 1fr; }
  .sp-num { font-size: 2rem; }
  .ledger-in { grid-template-columns: 1fr auto; gap: 8px 12px; padding: 10px 14px; }
  .ledger-hours { grid-column: 1 / -1; grid-row: 2; }
  .ledger-num { font-size: 1.5rem; }
  .ledger-sub { font-size: .72rem; }
  .toast { bottom: 200px; }
  .hours td { width: 96px; }
  .card { padding: 16px; }
  .card-body { padding: 14px 16px 18px; }
  .card-head { padding: 14px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .chev, .bar i { transition: none; }
}