/* Preserve explicit hidden state for all component display rules. */
[hidden]{display:none!important}
/* kluchnitsa.shop storefront v2 — CC-16. Tokens: docs/site.html (dark), spec Tokens (light). */

/* ---- tokens: shared ---- */
:root{
  --radius-sm:4px;
  --radius-dot:50%;
  --shadow-1:0 1px 0 var(--border);
  --font-sans:"IBM Plex Sans",system-ui,-apple-system,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,monospace;
  --t-fast:120ms;
  --t-base:180ms;
}

/* ---- tokens: light (spec) ---- */
[data-theme=light]{
  color-scheme:light;
  --bg:#ffffff;
  --surface-1:#f6f7f8;
  --surface-2:#eef0f2;
  --border:#d9dde2;
  --border-strong:#6b7280;
  --text:#111418;
  --text-muted:#5b6470;
  --accent:#0a7a3f;
  --accent-hover:#075e31;
  --on-accent:#ffffff;
  --stock-positive:#0a7a3f;
  --stock-low:#9a5b00;
  --stock-zero:#6b7280;
  --error:#b42318;
  --success:#0a7a3f;
}

/* ---- tokens: dark (docs/site.html) ---- */
[data-theme=dark]{
  color-scheme:dark;
  --bg:#111111;
  --surface-1:#1a1a1a;
  --surface-2:#161616;
  --border:#2a2a2a;
  --border-strong:#6b6b6b;
  --text:#ededed;
  --text-muted:#8a8a8a;
  --accent:#00ff80;
  --accent-hover:#00ff80;
  --on-accent:#111111;
  --stock-positive:#00ff80;
  --stock-low:#ffb020;
  --stock-zero:#8a8a8a;
  --error:#ff6b6b;
  --success:#00ff80;
}

/* No explicit theme: use light, then override for a dark OS preference. */
:root:not([data-theme]){
  --bg:#ffffff;
  --surface-1:#f6f7f8;
  --surface-2:#eef0f2;
  --border:#d9dde2;
  --border-strong:#6b7280;
  --text:#111418;
  --text-muted:#5b6470;
  --accent:#0a7a3f;
  --accent-hover:#075e31;
  --on-accent:#ffffff;
  --stock-positive:#0a7a3f;
  --stock-low:#9a5b00;
  --stock-zero:#6b7280;
  --error:#b42318;
  --success:#0a7a3f;
}

@media (prefers-color-scheme:dark){
  :root:not([data-theme]){
    color-scheme:dark;
    --bg:#111111;
    --surface-1:#1a1a1a;
    --surface-2:#161616;
    --border:#2a2a2a;
    --border-strong:#6b6b6b;
    --text:#ededed;
    --text-muted:#8a8a8a;
    --accent:#00ff80;
    --accent-hover:#00ff80;
    --on-accent:#111111;
    --stock-positive:#00ff80;
    --stock-low:#ffb020;
    --stock-zero:#8a8a8a;
    --error:#ff6b6b;
    --success:#00ff80;
  }
}

/* ---- base ---- */
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:400 15px/1.55 var(--font-sans);
  font-variant-numeric:tabular-nums;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
.wrap{width:100%;max-width:960px;margin:0 auto;padding-inline:20px}
h1,h2,h3{margin:0;text-wrap:balance;font-weight:600;line-height:1.2}
h1{font-size:34px;letter-spacing:-0.02em;max-width:26ch}
h2{font-size:22px;letter-spacing:-0.01em}
h3{font-size:14px}
p{margin:0}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover);text-decoration:underline}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--radius-sm)}
.mono{font-family:var(--font-mono)}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
section{padding-block:48px;border-bottom:1px solid var(--border)}
section:last-of-type{border-bottom:0}
.eyebrow{
  font:500 12px/1 var(--font-sans);letter-spacing:0.08em;text-transform:uppercase;
  color:var(--text-muted);margin-bottom:12px;
}
.lede{max-width:62ch;color:var(--text-muted);font-size:15px;margin-top:12px}

/* ---- top bar ---- */
.bar{
  position:sticky;top:env(safe-area-inset-top,0px);z-index:10;
  background:var(--bg);border-bottom:1px solid var(--border);
}
.bar__in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px}
.brand{font-family:var(--font-mono);font-size:15px;font-weight:500;letter-spacing:-0.01em;color:var(--text)}
.brand{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.brand span{color:var(--text-muted)}
/* controls never shrink or stack; the brand gives way first */
.bar__ctrl{display:flex;align-items:center;gap:8px;flex:none}

/* ---- language segment: aria-pressed carries the state ---- */
.seg{display:inline-flex;gap:6px}
.seg .btn[aria-pressed="true"],.seg .btn[aria-pressed="true"]:hover{background:var(--text);color:var(--bg);border-color:var(--text)}

/* ---- buttons: states raise contrast (colour/border), never opacity ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 16px;border-radius:var(--radius-sm);
  font:600 14px/1 var(--font-sans);border:1px solid transparent;cursor:pointer;
  transition:background var(--t-fast) ease-out,border-color var(--t-fast) ease-out,color var(--t-fast) ease-out;
  text-decoration:none;white-space:nowrap;
}
.btn svg{width:20px;height:20px;fill:currentColor;flex:none}
.btn--primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.btn--primary:hover{background:var(--accent-hover);border-color:var(--text);color:var(--on-accent);text-decoration:none}
.btn--primary:active{background:var(--accent-hover);border-color:var(--text);color:var(--on-accent)}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--border-strong)}
.btn--ghost:hover{color:var(--text);border-color:var(--text);background:var(--surface-1);text-decoration:none}
.btn--ghost:active{background:var(--surface-2);border-color:var(--text)}
.btn:focus-visible{outline:2px solid var(--text);outline-offset:2px}
.btn:disabled,.btn[aria-disabled="true"]{
  background:var(--surface-1);color:var(--text-muted);border-color:var(--border-strong);cursor:not-allowed;
}
.btn--sm{min-height:36px;padding:0 12px;font-size:13px}
.btn[aria-busy="true"]{cursor:progress;background:var(--accent-hover);border-color:var(--text);color:var(--on-accent)}

/* ---- statement ---- */
.statement .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.statement .meta{
  display:flex;flex-wrap:wrap;gap:6px 20px;margin-top:24px;
  font-family:var(--font-mono);font-size:13px;color:var(--text-muted);
}

/* ---- inventory: ledger wrapper + table#inventory (storefront = table) ---- */
.ledger{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface-1);overflow:hidden}
.ledger__head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 16px;
  padding:14px 16px;border-bottom:1px solid var(--border);
}
.ledger__title{font-size:14px;font-weight:600}
.ledger__sync{font-family:var(--font-mono);font-size:12px;color:var(--text-muted)}
.scroller{overflow-x:auto;position:relative;max-width:100%;min-width:0}
table#inventory{width:100%;border-collapse:collapse;font-size:14px}
#inventory-section table#inventory{table-layout:fixed;min-width:940px}
.col-sku{width:80px}
.col-product{width:180px}
.col-verified{width:108px}
.col-stock{width:74px}
.col-qty{width:172px}
.col-price{width:100px}
.col-buy{width:226px}
.product-name{display:flex;align-items:center;gap:8px}
.product-name .name{min-width:0;overflow-wrap:anywhere}
.product-icon{width:20px;height:20px;flex:none;color:var(--text)}
#inventory-section .plan{overflow-wrap:anywhere}
#inventory-section .wrap{max-width:1200px}
table#inventory thead th{
  position:sticky;top:0;z-index:1;background:var(--surface-1);
  text-align:left;font:500 12px/1 var(--font-sans);letter-spacing:0.04em;text-transform:uppercase;
  color:var(--text-muted);padding:12px;border-bottom:1px solid var(--border);white-space:nowrap;
}
table#inventory th.c-num{text-align:right}
table#inventory tbody td{padding:13px 12px;border-top:1px solid var(--border);vertical-align:middle}
table#inventory td:first-child,table#inventory th:first-child{padding-left:16px}
table#inventory td:last-child,table#inventory th:last-child{padding-right:16px}
table#inventory tbody tr:first-child td{border-top:0}
table#inventory tbody tr:hover td{background:var(--surface-2)}
.c-sku{font-family:var(--font-mono);font-size:13px;white-space:nowrap}
.c-num{font-family:var(--font-mono);text-align:right;white-space:nowrap}
.c-when{font-family:var(--font-mono);font-size:12px;color:var(--text-muted);white-space:nowrap}
.plan{display:block;font-size:12px;color:var(--text-muted);margin-top:2px}
.verified{font-family:var(--font-mono);font-size:12px;color:var(--text-muted);white-space:nowrap}
.price{font-family:var(--font-mono);font-size:14px;text-align:right;white-space:nowrap;color:var(--text)}

/* stock indicator */
.stock{white-space:nowrap;color:var(--text)}
.dot{
  display:inline-block;width:6px;height:6px;border-radius:var(--radius-dot);
  margin-right:7px;vertical-align:1px;background:var(--stock-positive);
}
.dot--low{background:var(--stock-low)}
.dot--zero{background:var(--stock-zero)}

/* sold-out row (stock 0, app.js sets .is-soldout): dimmed by colour, button stays visible and disabled */
table#inventory tbody tr.is-soldout td{color:var(--text-muted)}
tr.is-soldout .c-sku,tr.is-soldout .name,tr.is-soldout .price{color:var(--text-muted)}

/* quantity stepper: − 1 + ; min 44px hit targets */
.qty{display:inline-flex;align-items:stretch;border:1px solid var(--border-strong);border-radius:var(--radius-sm);overflow:hidden}
.qty .step{
  min-width:44px;min-height:44px;padding:0;border:0;background:var(--bg);color:var(--text);
  font:500 15px/1 var(--font-sans);cursor:pointer;
  transition:background var(--t-fast) ease-out,color var(--t-fast) ease-out;
}
.qty .step:hover{background:var(--surface-1);text-decoration:underline}
.qty .step:active{background:var(--surface-2)}
.qty .step:disabled{color:var(--text-muted);background:var(--surface-1);cursor:not-allowed;text-decoration:none}
.qty input[type=number]{
  width:56px;min-height:44px;padding:0;text-align:center;
  background:var(--surface-2);color:var(--text);border:0;border-inline:1px solid var(--border-strong);
  font:500 14px/1 var(--font-mono);-moz-appearance:textfield;appearance:textfield;
}
.qty input[type=number]::-webkit-outer-spin-button,
.qty input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.qty input[type=number]:disabled{color:var(--text-muted);background:var(--surface-1)}
.qty input[type=number]::placeholder{color:var(--text-muted)}
.qty:focus-within{outline:2px solid var(--text);outline-offset:2px}

/* ledger states: loading / empty / error */
.ledger[data-state="empty"] tr[data-state="ok"],.ledger[data-state="error"] tr[data-state="ok"]{display:none}
.ledger[data-state="empty"] .state{display:block;color:var(--text-muted)}
.ledger[data-state="error"] .state--error{display:block;color:var(--error)}
.ledger[aria-busy="true"] tbody tr[data-state="ok"] td{color:var(--text-muted)}

/* skeleton rows: same columns as data rows; shimmer is loading-only, 1.2s, 2 passes, motion-gated */
tr.skeleton-row td{padding-block:14px}
.skeleton{
  display:block;height:13px;width:70%;border-radius:var(--radius-sm);
  background-color:var(--surface-2);
}
@media (prefers-reduced-motion:no-preference){
  .skeleton{animation:shimmer 1.2s ease-out 2 alternate}
}
.skeleton--short{width:40%}
.skeleton--num{width:60%;margin-left:auto}
@keyframes shimmer{
  from{background-color:var(--surface-2)}
  to{background-color:var(--border)}
}

/* ---- form error (label of the retry button stays unchanged) ---- */
.form-error{display:block;margin-top:10px;font-size:13px;color:var(--error)}
.form-error[hidden]{display:none}

/* ---- steps (what-to-do cards) ---- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;margin-top:24px}
.steps .step{background:var(--surface-1);padding:18px 16px;min-width:0}
.step__n{font-family:var(--font-mono);font-size:12px;color:var(--accent);margin-bottom:10px}
.steps .step h3{margin-bottom:6px}
.steps .step p{font-size:13px;color:var(--text-muted);line-height:1.5}

/* ---- payment rails: 20px currentColor icon + visible label ---- */
.rails{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:20px;list-style:none;padding:0}
.rails li{display:inline-flex;align-items:center;gap:8px;font:500 13px/1 var(--font-sans);color:var(--text-muted)}
.rails svg{width:20px;height:20px;fill:currentColor;flex:none}

/* ---- checkout dialog: no blur, plain backdrop ---- */
dialog#checkout{
  width:min(440px,calc(100% - 32px));padding:0;
  border:1px solid var(--border-strong);border-radius:var(--radius-sm);
  background:var(--surface-1);color:var(--text);
}
dialog#checkout::backdrop{background:rgba(0,0,0,0.6)}
dialog#checkout .checkout{padding:20px;display:grid;grid-template-columns:minmax(0,1fr);gap:14px}
#checkout-summary{overflow-wrap:anywhere}
dialog#checkout .checkout__actions{display:grid;gap:10px}
dialog#checkout .checkout__actions .btn{width:100%}
dialog#checkout #checkout-close{justify-self:end}

/* ---- order page: state ladder with timestamps ---- */
.ladder{list-style:none;margin:24px 0 0;padding:0;border-left:2px solid var(--border-strong)}
.ladder li{position:relative;padding:0 0 22px 20px;color:var(--text-muted)}
.ladder li::before{
  content:"";position:absolute;left:-7px;top:4px;width:12px;height:12px;
  border-radius:var(--radius-dot);background:var(--bg);border:2px solid var(--border-strong);
}
.ladder__label{display:block;font-size:14px}
.ladder__at{display:block;font-family:var(--font-mono);font-size:12px;color:var(--text-muted);margin-top:2px}
.ladder .is-done{color:var(--text)}
.ladder .is-done::before{background:var(--text);border-color:var(--text)}
.ladder .is-current{color:var(--accent);font-weight:600}
.ladder .is-current::before{background:var(--accent);border-color:var(--accent)}
.ladder .is-current .ladder__at{color:var(--text-muted);font-weight:400}

/* ---- keys block (delivered orders) ---- */
pre.keys{
  margin:12px 0 0;padding:14px 16px;overflow-x:auto;white-space:pre;
  background:var(--surface-2);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);
  font:400 13px/1.6 var(--font-mono);
}
.keys-bar{display:flex;justify-content:flex-end;margin-top:10px;gap:8px}

/* ---- toast ---- */
.toast{
  position:fixed;left:50%;bottom:20px;transform:translateX(-50%);z-index:20;
  max-width:min(440px,calc(100% - 32px));padding:12px 16px;
  background:var(--surface-1);color:var(--text);
  border:1px solid var(--border-strong);border-radius:var(--radius-sm);font-size:14px;
}
.toast--success{border-left:4px solid var(--success)}
.toast[hidden]{display:none}

/* ---- faq ---- */
.faq{margin-top:20px;border-top:1px solid var(--border)}
details{border-bottom:1px solid var(--border)}
summary{
  cursor:pointer;padding:16px 0;font-size:14px;font-weight:500;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--font-mono);color:var(--text-muted);font-size:15px}
details[open] summary::after{content:"\2212"}
summary:hover{color:var(--accent);text-decoration:underline}
summary:active{color:var(--accent-hover)}
details p{padding:0 0 16px;font-size:14px;color:var(--text-muted);max-width:66ch;line-height:1.6}

/* ---- contacts ---- */
.handles{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;margin-top:20px}
.handle{background:var(--surface-1);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:14px 16px;min-width:0}
.handle__k{font-size:12px;color:var(--text-muted);margin-bottom:8px}
/* handle on its own line, action below: one layout at every width, no mid-word breaks */
.handle__v{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.handle__v code{font-family:var(--font-mono);font-size:14px;color:var(--text);user-select:all;white-space:nowrap}

footer{padding-block:28px;font-size:13px;color:var(--text-muted)}
footer .row{display:flex;flex-wrap:wrap;gap:6px 20px;align-items:baseline}
footer .footer__nav{margin-top:12px}

/* ---- trust pages (pricing, terms, privacy, status, contact) ---- */
.doc>*{max-width:66ch}
.doc h2{margin-top:36px;font-size:18px}
.doc p,.doc ul{margin-top:12px;color:var(--text-muted);font-size:14px;line-height:1.65}
.doc ul{padding-left:20px}
.doc li+li{margin-top:6px}
.doc strong{color:var(--text);font-weight:600}
.doc code{font-family:var(--font-mono);font-size:13px;color:var(--text)}
.doc table{width:100%;margin-top:16px;border-collapse:collapse;font-size:14px}
.doc th,.doc td{padding:12px;border-top:1px solid var(--border);text-align:left;vertical-align:top}
.doc thead th{font:500 12px/1 var(--font-sans);letter-spacing:0.04em;text-transform:uppercase;color:var(--text-muted);border-top:0;border-bottom:1px solid var(--border)}
.doc td:first-child{color:var(--text);width:46%}
.doc td+td{color:var(--text-muted)}
.pg-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tiers{display:flex;flex-wrap:wrap;gap:4px 18px;font-family:var(--font-mono);font-size:13px;white-space:nowrap}
.tier__q{color:var(--text-muted);margin-right:6px}
.tier__rub{color:var(--text-muted);margin-left:6px}
.pg-note{max-width:66ch;margin-top:16px;font-size:13px;color:var(--text-muted)}
.status-banner{display:flex;align-items:center;gap:14px;padding:18px 20px;margin-top:24px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface-1)}
.status-banner .dot{width:12px;height:12px;margin:0;flex:none;background:var(--stock-zero)}
.status-banner[data-state="ok"] .dot{background:var(--stock-positive)}
.status-banner[data-state="degraded"] .dot{background:var(--stock-low)}
.status-banner[data-state="down"] .dot{background:var(--error)}
.status-banner__title{font-size:18px;font-weight:600}
.status-banner__sub{font-family:var(--font-mono);font-size:12px;color:var(--text-muted);margin-top:4px}
.checks{list-style:none;margin:24px 0 0;padding:0;border:1px solid var(--border);border-radius:var(--radius-sm)}
.checks li{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 16px;padding:14px 16px;font-size:14px}
.checks li+li{border-top:1px solid var(--border)}
.checks__v{font-family:var(--font-mono);font-size:13px;color:var(--text-muted)}
.checks__v[data-state="ok"]{color:var(--success)}
.checks__v[data-state="degraded"]{color:var(--stock-low)}
.checks__v[data-state="down"]{color:var(--error)}

/* /pricing on phones: one card per item (name + stock, verified, tiers) instead of a sideways-scrolling table */
@media (max-width:640px){
  #pricing-ledger thead{display:none}
  #pricing-ledger table#inventory,#pricing-ledger table#inventory tbody{display:block}
  #pricing-ledger table#inventory tbody tr{
    display:grid;grid-template-columns:1fr auto;gap:6px 12px;padding:14px 16px;border-top:1px solid var(--border);
  }
  #pricing-ledger table#inventory tbody tr:first-child{border-top:0}
  #pricing-ledger table#inventory tbody td{padding:0;border:0}
  #pricing-ledger table#inventory tbody td:nth-child(2){grid-column:1;grid-row:1;font-weight:500}
  #pricing-ledger table#inventory tbody td:nth-child(4){grid-column:2;grid-row:1;text-align:right}
  #pricing-ledger table#inventory tbody td:nth-child(3){grid-column:1 / -1;grid-row:2}
  #pricing-ledger table#inventory tbody td:nth-child(5){grid-column:1 / -1;grid-row:3;margin-top:4px}
  #pricing-ledger table#inventory tr.state-row{display:block}
  #pricing-ledger table#inventory tr.state-row td{display:block}
}

/* ---- responsive ---- */
@media (max-width:560px){
  h1{font-size:28px}
  section{padding-block:36px}
  .bar__in{min-height:52px}
}

/* ---- reduced motion: no transitions, no shimmer ---- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .skeleton{background-color:var(--surface-2)}
}

/* narrow viewports: the SKU column goes (the name already names the product), the buy label shortens */
@media (max-width:820px){
  table#inventory:not(:has(colgroup)) td:first-child,table#inventory:not(:has(colgroup)) th:first-child{display:none}
  table#inventory:not(:has(colgroup)) td:nth-child(2){padding-left:16px}
  table#inventory tr.state-row td:first-child{display:table-cell}
  .verified{white-space:normal}
}

/* Keep long localized totals inside the purchase cell. */
#inventory-section .buy{display:block;width:100%;min-width:0;white-space:normal;overflow-wrap:anywhere;line-height:1.35}