/* Минималистичный «офисный лист» в духе Википедии / старого ПО.
   Чистая светлая тема: белый фон, тонкие серые границы, системный шрифт,
   один синий акцент. Никаких пастелей, теней, скруглений и декора. */

:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --ink: #202122;
  --ink-soft: #54595d;
  --muted: #72777d;
  --line: #c8ccd1;
  --line-strong: #a2a9b1;
  --accent: #0645ad;   /* синий, как ссылки Википедии/старого ПО */
  --accent-hover: #0b0080;
  --field-bg: #ffffff;
  --danger: #d33;
  --ok: #0a7c42;
  --mono: "Consolas", "Courier New", monospace;
  --sans: "Segoe UI", "Verdana", "Arial", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
}

.app { max-width: 960px; margin: 0 auto; padding: 16px 20px 40px; }

/* ---- Шапка ---- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 0 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}
.brand-title {
  font-size: 17px; font-weight: 700;
}
.topbar-right { display: flex; align-items: center; gap: 10px; }
.chip {
  font-size: 12px; color: var(--ink-soft);
  border: 1px solid var(--line); background: #fff;
  padding: 3px 10px;
}

/* ---- Кнопки ---- */
.btn {
  font-family: var(--sans); font-size: 13px;
  border: 1px solid var(--line-strong);
  color: var(--accent);
  background: #fff;
  cursor: pointer;
  padding: 5px 12px;
  line-height: 1.4;
}
.btn:hover { color: var(--accent-hover); border-color: var(--accent); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-ghost { background: #fff; }
.btn-small { padding: 2px 8px; font-size: 12px; }
.btn-block { width: 100%; }

/* ---- Уведомление ---- */
.notice {
  padding: 8px 12px; margin-bottom: 12px;
  font-size: 13px; line-height: 1.5;
  border: 1px solid var(--line);
  background: #f8f9fa;
}
.notice.error { border-color: var(--danger); background: #fee7e6; color: var(--danger); }
.notice.info { border-color: var(--line); background: #eaf3ff; color: var(--accent); }

/* ---- Компоновка ---- */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 340px); gap: 16px; align-items: start; }
@media (max-width: 760px) { .layout { grid-template-columns: 1fr; } }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 16px 18px;
}

/* ---- Карточка сделки ---- */
.deal-card {
  border: 1px solid var(--line);
  background: #f8f9fa;
  padding: 10px 12px;
  margin-bottom: 16px;
}
.deal-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.deal-label { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.deal-title { font-weight: 600; font-size: 14px; }
.deal-meta { margin-top: 6px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.deal-id-field { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink-soft); }
.deal-id-field input {
  width: 100px; font-family: var(--mono); font-size: 12.5px; padding: 3px 6px;
  border: 1px solid var(--line-strong); background: #fff; color: var(--ink);
}
.deal-id-field input:focus { outline: none; border-color: var(--accent); }
.deal-hint { margin-top: 6px; font-size: 12px; color: var(--muted); }
.deal-link { font-size: 12.5px; color: var(--accent); text-decoration: none; }
.deal-link:hover { text-decoration: underline; }

/* ---- Секции ---- */
.section-head { display: flex; align-items: center; justify-content: space-between; margin: 18px 0 10px; }
.section-head h2 { margin: 0; font-size: 15px; font-weight: 700; }
.head-actions { display: flex; align-items: center; gap: 6px; }

/* ---- Смета (позиции) ---- */
.items { display: flex; flex-direction: column; gap: 10px; }
.item-card {
  border: 1px solid var(--line);
  padding: 10px 12px;
  position: relative;
}
.item-card.invalid { border-color: var(--danger); }
.item-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.item-num { font-size: 11px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.item-remove { background: none; border: 1px solid transparent; color: var(--danger); font-size: 14px; cursor: pointer; padding: 1px 6px; }
.item-remove:hover { border-color: var(--danger); }
.item-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; align-items: end; }
@media (max-width: 900px) { .item-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 500px) { .item-grid { grid-template-columns: 1fr 1fr; } }
.item-grid .field { margin: 0; }
.item-grid label { font-size: 11px; }
.item-grid select, .item-grid input { font-size: 12.5px; padding: 3px 5px; }
.item-err { grid-column: 1 / -1; color: var(--danger); font-size: 12px; }

/* ---- Поля ---- */
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12px; margin-bottom: 4px; color: var(--ink-soft); }
.field input[type="number"], .field input[type="text"], .field select {
  width: 100%;
  font-family: var(--sans); font-size: 13px;
  padding: 4px 7px;
  border: 1px solid var(--line-strong);
  background: var(--field-bg); color: var(--ink);
}
.field input:focus, .field select:focus { outline: none; border-color: var(--accent); }
.field input[type="number"] { font-family: var(--mono); }
.field-hint { display: block; margin-top: 3px; font-size: 11.5px; color: var(--muted); }
.field-hint.error { color: var(--danger); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 480px) { .row2 { grid-template-columns: 1fr; } }

/* ---- Услуги (таблично, все по центру) ---- */
.services { display: flex; flex-direction: column; gap: 2px; }
.service-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  background: #fff;
}
.service-row + .service-row { border-top: none; }
.service-row .service-name { font-size: 13px; }
.service-row .service-price { font-size: 12px; color: var(--muted); }
.service-row .service-qty { display: flex; align-items: center; gap: 8px; justify-content: center; }
.service-row .service-qty input[type="checkbox"] {
  width: 15px; height: 15px; accent-color: var(--accent); margin: 0; cursor: pointer;
}
.service-row .service-qty input[type="number"] {
  width: 52px; font-family: var(--mono); font-size: 12.5px; padding: 2px 4px;
  border: 1px solid var(--line-strong); background: #fff; text-align: center;
}
.service-row .service-qty input[type="number"]:disabled { opacity: .4; }
.service-row .service-total { font-family: var(--mono); font-size: 12.5px; min-width: 78px; text-align: right; }

/* ---- Итоговая панель (офисная таблица) ---- */
.result-panel {
  border: 1px solid var(--line);
  background: #fff;
  align-self: start;
  display: flex; flex-direction: column;
}
.result-scroll { padding: 14px 16px 6px; }
.result-label { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin-bottom: 8px; }
.parts { display: flex; flex-direction: column; }
.placeholder { color: var(--muted); font-size: 13px; padding: 6px 0; }
.part {
  display: flex; justify-content: space-between; gap: 14px;
  padding: 6px 0; border-bottom: 1px solid #eaecf0;
  font-size: 13px;
}
.part.sub { padding-left: 14px; font-size: 12px; color: var(--ink-soft); }
.part .part-label { }
.part .part-value { font-family: var(--mono); white-space: nowrap; }
.part.neg .part-value { color: var(--danger); }

.result-total {
  border-top: 1px solid var(--line);
  background: #f8f9fa;
  padding: 14px 16px 16px;
}
.total-label { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.total-value { font-family: var(--mono); font-size: 22px; line-height: 1.2; margin: 4px 0 2px; }
.total-currency { font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.write-status { margin-top: 10px; font-size: 12.5px; min-height: 16px; }
.write-status.ok { color: var(--ok); }
.write-status.err { color: var(--danger); }

/* ---- Модалка настроек ---- */
.modal { position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center; padding: 12px; }
.modal.hidden, .hidden { display: none !important; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(32,33,34,.55); }
.modal-panel {
  position: relative;
  width: min(900px, calc(100vw - 24px));
  max-width: 900px;
  max-height: 94vh;
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line-strong);
}
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 18px; border-bottom: 1px solid var(--line); }
.modal-head h2 { margin: 0; font-size: 15px; }
.modal-body {
  padding: 14px 18px 18px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-gutter: stable;
}
.modal-foot { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line); }
.settings-status { font-size: 12.5px; color: var(--ok); }
.settings-status.err { color: var(--danger); }

.settings-tabs { display: flex; gap: 4px; margin-bottom: 14px; flex-wrap: wrap; border-bottom: 1px solid var(--line); }
.tab {
  font-family: var(--sans); font-size: 13px;
  padding: 6px 12px; cursor: pointer;
  border: 1px solid var(--line); border-bottom: none;
  background: #f8f9fa; color: var(--ink-soft);
  margin-bottom: -1px;
}
.tab.active { background: #fff; border-bottom-color: #fff; color: var(--accent); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

.alert-info {
  background: #f8f9fa; border: 1px solid var(--line);
  padding: 8px 12px; font-size: 12.5px; line-height: 1.5;
  margin-bottom: 14px;
}
.alert-info code { font-family: var(--mono); font-size: 12px; background: #f8f9fa; padding: 0 4px; }
.subsection-head { display: flex; align-items: center; justify-content: space-between; margin: 14px 0 8px; }
.subsection-head h3 { margin: 0; font-size: 13.5px; }

.list-editor { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.type-row-head {
  display: grid;
  grid-template-columns: minmax(220px, 1.65fr) minmax(105px, .55fr) minmax(140px, .75fr) minmax(130px, .7fr) 28px;
  gap: 8px;
  align-items: end;
  padding: 0 6px 2px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.25;
}
.list-row { display: grid; gap: 8px; align-items: center; padding: 6px; border: 1px solid var(--line); min-width: 0; }
.list-row > * { min-width: 0; }
.list-row input {
  width: 100%; min-width: 0;
  font-family: var(--sans); font-size: 12.5px; padding: 4px 6px;
  border: 1px solid var(--line-strong); background: #fff;
}
.list-row input.rate { font-family: var(--mono); }
.list-row .remove {
  width: 28px; height: 28px; padding: 0;
  background: none; border: 1px solid transparent; color: var(--danger); cursor: pointer;
}
.list-row .remove:hover { border-color: var(--danger); }
.list-row.type-row {
  grid-template-columns: minmax(220px, 1.65fr) minmax(105px, .55fr) minmax(140px, .75fr) minmax(130px, .7fr) 28px;
}
.rate-editor { display: flex; flex-direction: column; gap: 6px; }
.rate-row { display: grid; grid-template-columns: 1.4fr .9fr; gap: 8px; align-items: center; padding: 4px 0; }
.rate-row .rate-label { font-size: 12.5px; color: var(--ink-soft); }
.rate-row input { font-family: var(--mono); font-size: 12.5px; padding: 4px 6px; border: 1px solid var(--line-strong); }

@media (max-width: 720px) {
  .modal { padding: 8px; align-items: flex-start; }
  .modal-panel { width: 100%; max-width: none; max-height: calc(100vh - 16px); }
  .modal-head, .modal-foot { padding-left: 12px; padding-right: 12px; }
  .modal-body { padding-left: 12px; padding-right: 12px; }
  .type-row-head { display: none; }
  .list-row.type-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .list-row.type-row .remove { grid-column: 2; justify-self: end; }
}