/* Все цвета, отступы и шрифты — через переменные. Хардкод цветов запрещён. */
:root {
  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-surface-2: #eef1f6;
  --color-text: #1b2430;
  --color-muted: #6b778a;
  --color-border: #dde2ea;
  --color-accent: #2563eb;
  --color-accent-contrast: #ffffff;
  --color-accent-soft: #e6eefc;
  --color-error: #c62828;
  --color-error-soft: #fdecec;
  --color-ok: #1b873f;
  --color-ok-soft: #e6f5ec;
  --color-warn: #b26a00;
  --color-warn-soft: #fff4dc;
  --radius: 10px;
  --radius-sm: 6px;
  --gap: 16px;
  --shadow: 0 1px 3px rgba(20, 30, 50, .08);
  --font-sans: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --topbar-h: 56px;
}

* { box-sizing: border-box; }
[x-cloak] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.45;
}
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 8px; }
h2 { font-size: 17px; margin: 0 0 12px; }
.muted { color: var(--color-muted); }

/* ---------- шапка ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: var(--gap);
  min-height: var(--topbar-h);
  padding: 0 var(--gap);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}
.store-name { font-weight: 700; font-size: 16px; color: var(--color-text); white-space: nowrap; }
.store-name:hover { text-decoration: none; }
.tabs { flex: 1; display: flex; justify-content: center; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  padding: 8px 14px; border-radius: var(--radius-sm);
  color: var(--color-muted); white-space: nowrap; font-weight: 500;
}
.tab:hover { background: var(--color-surface-2); text-decoration: none; }
.tab.active { background: var(--color-accent-soft); color: var(--color-accent); }
.topbar-right { display: flex; align-items: center; gap: 12px; white-space: nowrap; }
.settings-link { color: var(--color-muted); }
.user-menu { position: relative; }
.user-btn {
  background: none; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 6px 10px; cursor: pointer; font: inherit; color: var(--color-text);
}
.menu {
  position: absolute; right: 0; top: calc(100% + 6px); min-width: 180px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 6px; z-index: 60;
}
.menu a, .menu button {
  display: block; width: 100%; text-align: left; padding: 8px 10px; border: 0; background: none;
  font: inherit; color: var(--color-text); border-radius: var(--radius-sm); cursor: pointer;
}
.menu a:hover, .menu button:hover { background: var(--color-surface-2); text-decoration: none; }
.menu form { margin: 0; }

/* ---------- страница ---------- */
.page { max-width: 1200px; margin: 0 auto; padding: var(--gap); }
.page-narrow { max-width: 420px; padding-top: 10vh; }
.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow);
}
.stub { text-align: center; padding: 48px 20px; }

/* ---------- формы и кнопки ---------- */
.form { display: flex; flex-direction: column; gap: 14px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--color-muted); }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=search], select, textarea {
  font: inherit; color: var(--color-text); background: var(--color-surface);
  padding: 9px 11px; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--color-accent-soft); border-color: var(--color-accent); }
.btn {
  font: inherit; cursor: pointer; padding: 9px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text);
}
.btn:hover { background: var(--color-surface-2); }
.btn-primary { background: var(--color-accent); color: var(--color-accent-contrast); border-color: var(--color-accent); }
.btn-primary:hover { filter: brightness(1.08); background: var(--color-accent); }
.alert { padding: 10px 12px; border-radius: var(--radius-sm); margin-bottom: 12px; }
.alert-error { background: var(--color-error-soft); color: var(--color-error); }
.alert-warn { background: var(--color-warn-soft); color: var(--color-warn); }
.alert-ok { background: var(--color-ok-soft); color: var(--color-ok); }
.login-card h1 { text-align: center; }
.login-card .muted { text-align: center; margin: 0 0 16px; }

/* ---------- блоки настроек ---------- */
.section { margin-bottom: var(--gap); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.grid-3 { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--gap); }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.hint { font-size: 12px; color: var(--color-muted); }
.result { margin-top: 12px; }
.result:empty { display: none; }
.htmx-indicator { opacity: 0; transition: opacity .2s; }
.htmx-request .htmx-indicator, .htmx-request.htmx-indicator { opacity: 1; }
.btn:disabled { opacity: .6; cursor: wait; }

/* ---------- страница «Себестоимость» ---------- */
.page-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: var(--gap); }
.page-head h1 { margin: 0; }
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); margin-bottom: var(--gap); }
.tile { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); color: var(--color-text); }
.tile:hover { text-decoration: none; }
.tile-label { font-size: 13px; color: var(--color-muted); }
.tile-value { font-size: 24px; font-weight: 700; margin-top: 2px; }
a.tile-warn { background: var(--color-warn-soft); border-color: var(--color-warn); }
a.tile-warn .tile-value { color: var(--color-warn); }
a.tile-warn.tile-ok { background: var(--color-ok-soft); border-color: var(--color-ok); }
a.tile-warn.tile-ok .tile-value { color: var(--color-ok); }
.controls { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 12px; padding: 12px; margin-bottom: var(--gap); }

.ctable { padding: 0; overflow: hidden; }
.chead, .crow {
  display: grid; grid-template-columns: 72px minmax(0, 1fr) 160px 300px 110px 44px; align-items: center; gap: 8px;
  padding: 10px 14px;
}
.chead { font-size: 12px; color: var(--color-muted); text-transform: uppercase; letter-spacing: .03em; border-bottom: 1px solid var(--color-border); background: var(--color-surface-2); }
.crow { border-bottom: 1px solid var(--color-border); border-left: 4px solid transparent; }
.crow:last-child { border-bottom: 0; }
.crow.missing { border-left-color: var(--color-warn); background: var(--color-warn-soft); }
.c-photo img, .photo-ph { width: 56px; height: 56px; border-radius: var(--radius-sm); object-fit: cover; display: block; }
.photo-ph { background: var(--color-surface-2); border: 1px solid var(--color-border); }
.c-name { font-weight: 500; overflow-wrap: anywhere; }
.c-offer { font-size: 13px; color: var(--color-muted); overflow-wrap: anywhere; }
.c-changed { font-size: 13px; color: var(--color-muted); }
.c-label { display: none; }
.cost-view { font: inherit; font-weight: 600; background: none; border: 1px dashed transparent; border-radius: var(--radius-sm); padding: 6px 10px; cursor: pointer; color: var(--color-text); }
.cost-view:hover { border-color: var(--color-border); background: var(--color-surface-2); }
.cost-add { color: var(--color-accent); font-weight: 500; border-color: var(--color-accent); }
.cost-edit { display: flex; gap: 6px; align-items: center; }
.cost-edit input[type=text] { width: 100px; }
.cost-edit input[type=date] { width: 140px; }
.btn-sm { padding: 6px 10px; }
.chev { background: none; border: 0; cursor: pointer; font-size: 18px; color: var(--color-muted); transition: transform .15s; }
.chev.open { transform: rotate(180deg); }
.c-history { grid-column: 2 / -1; }
.hist { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 10px 12px; }
.hist-title { font-size: 12px; text-transform: uppercase; color: var(--color-muted); margin-bottom: 6px; }
.hist-row { display: flex; flex-wrap: wrap; gap: 4px 14px; padding: 5px 0; border-top: 1px solid var(--color-border); font-size: 14px; }
.hist-row:first-of-type { border-top: 0; }
.hist-current { font-weight: 600; }
.hist-price { min-width: 100px; }
.hist-meta, .hist-note { color: var(--color-muted); font-weight: 400; }
.badge { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 99px; background: var(--color-surface-2); color: var(--color-muted); margin-left: 6px; font-weight: 500; }
.badge-ok { background: var(--color-ok-soft); color: var(--color-ok); }
.empty { padding: 28px; text-align: center; }

/* ---------- импорт, админка ---------- */
.toolbar { margin-bottom: var(--gap); }
a.btn:hover { text-decoration: none; }
.grid-4 { display: grid; grid-template-columns: 2fr 1.5fr 1.5fr 1fr; gap: var(--gap); }
.modal { position: fixed; inset: 0; background: rgba(15, 25, 40, .45); z-index: 80; display: flex; align-items: flex-start; justify-content: center; padding: 6vh var(--gap); overflow-y: auto; }
.modal-box { width: 100%; max-width: 760px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.modal-head h2 { margin: 0; }
.preview-table { max-height: 320px; overflow-y: auto; border: 1px solid var(--color-border); border-radius: var(--radius-sm); margin: 12px 0; }
.prow { display: grid; grid-template-columns: 48px 1.2fr 1.5fr 1.5fr; gap: 8px; padding: 6px 10px; border-bottom: 1px solid var(--color-border); font-size: 13px; }
.prow:last-child { border-bottom: 0; }
.prow-new .p-change, .prow-change .p-change { color: var(--color-ok); font-weight: 600; }
.prow-unknown, .prow-error { background: var(--color-warn-soft); }
.prow-same { color: var(--color-muted); }
.p-line { color: var(--color-muted); }
.utable { display: flex; flex-direction: column; }
.uhead, .urow { display: grid; grid-template-columns: 1.6fr 1fr 130px 100px 150px 2.2fr; gap: 10px; align-items: center; padding: 8px 4px; }
.uhead { font-size: 12px; text-transform: uppercase; color: var(--color-muted); border-bottom: 1px solid var(--color-border); }
.urow { border-bottom: 1px solid var(--color-border); }
.urow.inactive { opacity: .6; }
.u-login { overflow-wrap: anywhere; }
.u-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.u-actions form { display: flex; gap: 6px; margin: 0; }
.inline-form input { width: 140px; padding: 6px 8px; }

/* ---------- A/B тесты ---------- */
.bell { position: relative; color: var(--color-muted); font-size: 18px; }
.bell:hover { text-decoration: none; }
.bell-count { position: absolute; top: -6px; right: -10px; background: var(--color-error); color: var(--color-accent-contrast); border-radius: 99px; font-size: 11px; padding: 0 5px; line-height: 16px; }
.explain { margin-bottom: var(--gap); font-size: 14px; }
.ab-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--gap); }
.ab-card { display: block; color: var(--color-text); }
.ab-card:hover { text-decoration: none; border-color: var(--color-accent); }
.ab-card-top { display: flex; justify-content: space-between; margin-bottom: 6px; }
.ab-card-title { font-weight: 600; margin-bottom: 4px; }
.ab-profit { margin-top: 6px; }
.badge-st { background: var(--color-accent-soft); color: var(--color-accent); margin-left: 0; }
.status-paused .badge-st { background: var(--color-warn-soft); color: var(--color-warn); }
.status-done .badge-st { background: var(--color-ok-soft); color: var(--color-ok); }
.wizard section { padding-bottom: 8px; border-bottom: 1px solid var(--color-border); margin-bottom: 8px; }
.wizard section:last-of-type { border-bottom: 0; }
.radio { flex-direction: row !important; align-items: center; gap: 6px !important; color: var(--color-text) !important; font-size: 15px !important; }
.radio input { width: auto; }
.variant-row { display: grid; grid-template-columns: 1fr 2fr 40px; gap: 8px; margin-bottom: 8px; align-items: center; }
.sched-grid { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.sched-cell { background: var(--color-surface-2); border-radius: var(--radius-sm); padding: 4px 8px; font-size: 13px; }
.sched-cell.today { background: var(--color-accent-soft); color: var(--color-accent); }
.schedule-preview { margin-top: 12px; }
.variants-strip { display: flex; gap: 12px; flex-wrap: wrap; margin: 12px 0; }
.vcard { width: 130px; font-size: 13px; }
.vcard img { width: 130px; height: 173px; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--color-border); }
.verdict-significant { border-left: 4px solid var(--color-ok); }
.verdict-not_significant, .verdict-preliminary_clicks { border-left: 4px solid var(--color-warn); }
.vtable-wrap { overflow-x: auto; }
.vtable { width: 100%; border-collapse: collapse; font-size: 14px; }
.vtable th { text-align: left; font-size: 12px; color: var(--color-muted); text-transform: uppercase; padding: 6px 8px; border-bottom: 1px solid var(--color-border); white-space: nowrap; }
.vtable td { padding: 8px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
.vtable td:not(:nth-child(2)) { white-space: nowrap; }
.vtable tr.leader td { background: var(--color-ok-soft); }
.vtable tr.excluded td { opacity: .6; }
.vthumb img { border-radius: var(--radius-sm); object-fit: cover; }
.num.neg b { color: var(--color-error); }
.linklike { background: none; border: 0; color: var(--color-accent); cursor: pointer; font: inherit; padding: 0; }
.expense-row td { background: var(--color-surface-2); }
.expense-grid { display: flex; flex-wrap: wrap; gap: 6px 22px; font-size: 13px; }
.btn-danger-outline { color: var(--color-error); border-color: var(--color-error); }
.notif { padding: 10px 4px; border-bottom: 1px solid var(--color-border); }
.notif.unread { border-left: 3px solid var(--color-accent); padding-left: 10px; }
.notif-title { font-weight: 600; }
.notif-body { white-space: pre-line; font-size: 14px; }

/* ---------- тосты ---------- */
.toasts { position: fixed; right: var(--gap); bottom: var(--gap); display: flex; flex-direction: column; gap: 8px; z-index: 100; max-width: calc(100vw - 2 * var(--gap)); }
.toast { background: var(--color-error); color: var(--color-accent-contrast); padding: 10px 14px; border-radius: var(--radius-sm); box-shadow: var(--shadow); }
.toast-ok { background: var(--color-ok); }

/* ---------- телефон ---------- */
@media (max-width: 760px) {
  .topbar { flex-wrap: wrap; padding: 8px var(--gap); gap: 8px; }
  .tabs { order: 3; flex-basis: 100%; justify-content: flex-start; }
  .topbar-right { margin-left: auto; }
  .settings-link { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .variant-row { grid-template-columns: 1fr; }
  .uhead { display: none; }
  .urow { grid-template-columns: 1fr; gap: 4px; padding: 12px 4px; }
  .prow { grid-template-columns: 40px 1fr; }
  .p-name, .p-change { grid-column: 2; }
  .tiles { grid-template-columns: 1fr 1fr; }
  .controls { grid-template-columns: 1fr; }
  .chead { display: none; }
  .crow { grid-template-columns: 64px minmax(0, 1fr) 36px; grid-template-areas: "photo name more" "photo offer more" "cost cost cost" "changed changed changed" "hist hist hist"; gap: 4px 10px; padding: 12px; }
  .c-photo { grid-area: photo; } .c-name { grid-area: name; } .c-offer { grid-area: offer; }
  .c-cost { grid-area: cost; } .c-changed { grid-area: changed; } .c-more { grid-area: more; } .c-history { grid-area: hist; }
  .c-label { display: inline; margin-right: 6px; }
  .cost-edit { flex-wrap: wrap; }
  .cost-edit input[type=text], .cost-edit input[type=date] { flex: 1 1 120px; width: auto; }
}