/* ============================================================
   shelftrack — a photo-first stock list for a tiny shop.
   Warm price-tag palette: espresso ink + amber accent on
   soft cream "kraft" paper, with a punched price-tag motif.
   ============================================================ */

:root {
  /* kraft paper / ink */
  --paper:    #F6EFE2;   /* warm cream shelf paper */
  --paper2:   #FBF7EF;   /* raised card / tag stock */
  --ink:      #2E2820;   /* espresso — primary text */
  --ink-soft: #5C5245;   /* muted brown */
  --ink-faint:#7A6F5F;   /* captions (large text only) */
  --rule:     #E1D7C4;   /* hairline */
  --rule2:    #EBE3D3;

  /* signals */
  --amber:      #A85D12;  /* accent / primary action (text-safe) */
  --amber-dk:   #8F4E0E;  /* hover */
  --amber-txt:  #9C5410;  /* accent text on paper */
  --amber-bright:#E08A2B; /* decorative fills only */
  --amber-wash: #FBEBD3;
  --amber-wash2:#F4E4CC;

  --low:      #C24B2E;   /* low-stock / danger terracotta */
  --low-dk:   #B23E22;
  --low-wash: #F7E2D8;

  --ok:       #3E7A54;   /* healthy stock */

  /* text placed ON a filled accent chip/button. White reads well on the
     light-scheme amber/low fills; in dark mode those fills go pale, so the
     dark block flips this to the deep paper ink to keep >=4.5:1 contrast. */
  --on-accent: #fff;

  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Roboto Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --radius:   14px;
  --radius-sm:10px;
  --radius-xs:8px;
  --shadow:   0 1px 2px rgba(46,40,32,0.06), 0 10px 30px -18px rgba(46,40,32,0.28);
  --shadow-lift: 0 2px 4px rgba(46,40,32,0.08), 0 20px 44px -22px rgba(46,40,32,0.34);
  --wrap: 1120px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:    #231F1A;
    --paper2:   #2C2721;
    --ink:      #EDE6DA;
    --ink-soft: #C3B8A8;
    --ink-faint:#948A7B;
    --rule:     #3C352C;
    --rule2:    #332D26;

    --amber:      #E8A24E;
    --amber-dk:   #F0B268;
    --amber-txt:  #EBA855;
    --amber-bright:#E8A24E;
    --amber-wash: rgba(232,162,78,0.14);
    --amber-wash2:rgba(232,162,78,0.10);

    --low:      #E5764F;
    --low-dk:   #EE8A6E;
    --low-wash: rgba(229,118,79,0.16);

    --ok:       #5FB07E;

    /* pale accent fills in dark mode need dark text, not white */
    --on-accent: #231F1A;

    --shadow:   0 1px 2px rgba(0,0,0,0.3), 0 12px 30px -18px rgba(0,0,0,0.55);
    --shadow-lift: 0 2px 4px rgba(0,0,0,0.35), 0 22px 46px -22px rgba(0,0,0,0.6);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -0.006em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* warm shelf glow so the paper never reads dead */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1100px 560px at 88% -12%, var(--amber-wash), transparent 60%),
    radial-gradient(760px 460px at -4% 4%, var(--amber-wash2), transparent 55%);
  opacity: 0.7;
  pointer-events: none;
}

h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.022em; line-height: 1.1; }
p { margin: 0; }

/* tabular figures where numbers matter */
.num, .mono,
.card__count, .input--num, .input--cur, .input--price,
.stock__qtynum, .tagcard__qtynum, .stock__price, .storage__text {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 12px; top: -60px;
  background: var(--amber); color: var(--on-accent);
  padding: 10px 16px; border-radius: 10px; font-weight: 700;
  z-index: 50; transition: top 0.18s var(--ease); text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* shared focus ring */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
.photo__pick:focus-within {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
  border-radius: 8px;
}

.eyebrow {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  font-weight: 600;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(180deg, var(--paper2), var(--paper) 78%);
}
.hero__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(22px, 4vw, 40px) clamp(20px, 5vw, 44px) clamp(30px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: inherit; }
.brand__mark { width: 34px; height: 34px; flex: none; }
.brand__bg { fill: var(--ink); }
.brand__tag { fill: none; stroke: var(--amber-bright); stroke-width: 2; stroke-linejoin: round; }
.brand__hole { fill: none; stroke: var(--amber-bright); stroke-width: 1.6; }
.brand__word { font-size: 1.24rem; font-weight: 800; letter-spacing: -0.03em; }

.hero__title {
  font-size: clamp(1.95rem, 4.8vw, 3.15rem);
  margin: 16px 0 0;
  max-width: 15ch;
}
.hero__accent { color: var(--amber-txt); }
.hero__lede {
  margin-top: 15px;
  max-width: 54ch;
  color: var(--ink-soft);
  font-size: clamp(0.98rem, 1.25vw, 1.08rem);
}
.hero__lede strong { color: var(--low-dk); font-weight: 700; }
.hero__actions { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }

/* --- signature price-tag card --- */
.tagcard {
  position: relative;
  background: var(--paper2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lift);
  padding: 20px 22px 22px 30px;
  display: flex;
  gap: 16px;
  align-items: center;
}
/* punched tag hole + notch on the left edge */
.tagcard::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0; width: 6px;
  border-radius: var(--radius) 0 0 var(--radius);
  background: repeating-linear-gradient(180deg, var(--amber-bright) 0 12px, var(--amber) 12px 24px);
  opacity: 0.9;
}
.tagcard__punch {
  position: absolute; left: 15px; top: 18px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--rule);
}
.tagcard__thumb {
  flex: none;
  width: 72px; height: 72px;
  border-radius: var(--radius-sm);
  background: var(--amber-wash);
  border: 1px solid var(--rule);
  display: grid; place-items: center;
  align-self: flex-start;
  margin-top: 18px;
}
.tagcard__glyph { width: 40px; height: 40px; fill: none; stroke: var(--amber); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.tagcard__body { min-width: 0; flex: 1; }
.tagcard__row { display: flex; align-items: center; gap: 10px; }
.tagcard__name { font-weight: 700; font-size: 1.02rem; }
.tagcard__meta { margin-top: 3px; font-size: 0.85rem; color: var(--ink-soft); }
.tagcard__qty { margin-top: 12px; display: flex; align-items: baseline; gap: 7px; }
.tagcard__qtynum { font-size: 1.9rem; font-weight: 800; color: var(--low-dk); letter-spacing: -0.03em; }
.tagcard__qtylabel { font-size: 0.8rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  font-size: 0.64rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.09em;
  border-radius: 999px; padding: 3px 9px; white-space: nowrap;
  border: 1px solid transparent;
}
.badge--low { color: var(--on-accent); background: var(--low); border-color: var(--low); }
.badge--out { color: var(--paper); background: var(--ink); border-color: var(--ink); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  border-radius: 11px;
  cursor: pointer;
  border: 1px solid transparent;
  padding: 12px 22px;
  text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform 0.12s var(--ease), background 0.16s var(--ease),
              box-shadow 0.16s var(--ease), border-color 0.16s var(--ease), color 0.16s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--sm { padding: 8px 14px; font-size: 0.86rem; border-radius: 9px; }

.btn--primary {
  background: var(--amber);
  color: var(--on-accent);
  box-shadow: 0 10px 24px -12px rgba(168,93,18,0.6);
}
.btn--primary:hover { background: var(--amber-dk); }

.btn--soft {
  background: var(--amber-wash2);
  color: var(--ink);
  border-color: var(--rule);
}
.btn--soft:hover { border-color: var(--amber); background: var(--amber-wash); }

.btn--quiet {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}
.btn--quiet:hover { border-color: var(--ink-faint); background: rgba(46,40,32,0.04); }
.btn--quiet[aria-pressed="true"] {
  background: var(--amber-wash); border-color: var(--amber); color: var(--amber-txt);
}

/* ============================================================
   TOOLBAR (search + sort + actions)
   ============================================================ */
.toolbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.toolbar__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 12px clamp(20px, 5vw, 44px);
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.toolbar__search { position: relative; flex: 1 1 220px; min-width: 0; display: flex; align-items: center; }
.toolbar__searchicon {
  position: absolute; left: 12px; width: 18px; height: 18px;
  pointer-events: none; color: var(--ink-faint);
}
.toolbar__searchicon svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.input--search { padding-left: 38px; }
.toolbar__btns { display: flex; gap: 8px; flex-wrap: wrap; }

/* ============================================================
   FIELDS / INPUTS / SELECT
   ============================================================ */
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field--inline { flex-direction: row; align-items: center; gap: 8px; }
.field__label {
  font-size: 0.74rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--ink-soft);
}
.field__opt { font-weight: 600; text-transform: none; letter-spacing: 0; color: var(--ink-faint); font-size: 0.68rem; }

.input {
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper2);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  width: 100%;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.input::placeholder { color: var(--ink-faint); }
.input:hover { border-color: var(--ink-faint); }
.input:focus { outline: none; border-color: var(--amber); box-shadow: 0 0 0 3px var(--amber-wash); }

.input--num { font-family: var(--mono); font-weight: 600; text-align: left; }
.input--cur { width: 62px; text-align: center; font-weight: 700; }
.field--cur { flex: none; }

.numwrap { position: relative; display: flex; align-items: center; }
.numwrap__sym {
  position: absolute; left: 13px;
  font-family: var(--mono); font-weight: 700; color: var(--ink-soft);
  pointer-events: none;
}
.input--price { padding-left: 30px; font-family: var(--mono); font-weight: 600; }

.select { position: relative; display: inline-flex; width: 100%; }
.select::after {
  content: "";
  position: absolute; right: 12px; top: 50%;
  width: 8px; height: 8px; margin-top: -5px;
  border-right: 2px solid var(--ink-faint);
  border-bottom: 2px solid var(--ink-faint);
  transform: rotate(45deg);
  pointer-events: none;
}
.select select {
  appearance: none; -webkit-appearance: none; -moz-appearance: none;
  font-family: var(--sans);
  font-size: 0.95rem; font-weight: 600;
  color: var(--ink);
  background: var(--paper2);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 10px 34px 10px 13px;
  width: 100%;
  cursor: pointer;
}
.select select:hover { border-color: var(--ink-faint); }
.select select:focus { outline: none; border-color: var(--amber); box-shadow: 0 0 0 3px var(--amber-wash); }
#sortSelect { min-width: 160px; }

/* ============================================================
   LAYOUT GRID
   ============================================================ */
.grid {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(20px, 3vw, 32px) clamp(20px, 5vw, 44px) 20px;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(16px, 2vw, 22px);
  align-items: start;
}
.col { display: flex; flex-direction: column; gap: clamp(16px, 2vw, 22px); min-width: 0; }
.col--input { position: sticky; top: 66px; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--paper2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px 22px;
}
.card__head {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px;
}
.card__title { font-size: 1.12rem; letter-spacing: -0.02em; }
.card__title--sm { font-size: 0.98rem; }
.card__count {
  margin-left: auto;
  font-size: 0.82rem; color: var(--ink-soft);
  background: var(--paper); border: 1px solid var(--rule);
  padding: 2px 10px; border-radius: 999px; font-weight: 600;
}
.card__lowtag {
  font-size: 0.7rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--on-accent); background: var(--low); border-radius: 999px; padding: 3px 10px;
}
.card--aux .card__head { margin-bottom: 12px; }

.hint { margin-top: 12px; font-size: 0.82rem; color: var(--ink-soft); line-height: 1.45; }
.empty { font-size: 0.9rem; color: var(--ink-soft); font-style: italic; padding: 6px 0; }

/* ============================================================
   ITEM FORM
   ============================================================ */
.itemform { display: flex; flex-direction: column; gap: 16px; }
.itemform__row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.itemform__actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* photo capture block */
.photo { display: flex; flex-direction: column; gap: 10px; }
.photo__frame {
  width: 100%; aspect-ratio: 3 / 2;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--rule);
  background: var(--paper);
  display: grid; place-items: center;
  overflow: hidden;
  position: relative;
}
.photo__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.photo__placeholder {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--ink-faint); font-size: 0.86rem; font-weight: 600;
}
.photo__placeholder svg { width: 40px; height: 40px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.photo__controls { display: flex; gap: 8px; flex-wrap: wrap; }
.photo__pick { position: relative; overflow: hidden; }
.photo__pick input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.photo__msg {
  font-size: 0.82rem; color: var(--ink-soft); font-weight: 600;
  padding: 8px 11px; border-radius: var(--radius-xs);
  background: var(--paper); border: 1px solid var(--rule);
}
.photo__msg.is-warn { color: var(--low-dk); background: var(--low-wash); border-color: var(--low); }

.formerror { color: var(--low-dk); font-size: 0.86rem; font-weight: 700; }
.formerror:empty { display: none; }

/* storage meter */
.storage { margin-top: 4px; }
.storage__bar {
  height: 8px; border-radius: 999px; overflow: hidden;
  background: var(--paper); border: 1px solid var(--rule);
}
.storage__fill {
  display: block; height: 100%; width: 0%;
  background: var(--amber); border-radius: 999px;
  transition: width 0.3s var(--ease), background 0.2s var(--ease);
}
.storage__fill.is-warn { background: var(--low); }
.storage__text { margin-top: 7px; font-size: 0.78rem; color: var(--ink-soft); }
.storage__text.is-warn { color: var(--low-dk); font-weight: 600; }

/* ============================================================
   STOCK LIST
   ============================================================ */
.stock { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.stock__item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  background: var(--paper);
  transition: border-color 0.16s var(--ease), box-shadow 0.16s var(--ease);
}
.stock__item.is-low { border-color: var(--low); background: var(--low-wash); }
/* out-of-stock is the most severe: keep the low wash, deepen the border.
   Listed after .is-low so an item that is both reads as OUT, not just low. */
.stock__item.is-out { border-color: var(--low-dk); box-shadow: inset 3px 0 0 var(--low-dk); }

/* thumbnail */
.stock__thumb {
  flex: none;
  width: 64px; height: 64px;
  border-radius: var(--radius-xs);
  object-fit: cover;
  background: var(--amber-wash);
  border: 1px solid var(--rule);
  display: block;
}
.stock__thumb--blank {
  display: grid; place-items: center;
  color: var(--amber);
}
.stock__thumb--blank svg { width: 30px; height: 30px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* body */
.stock__body { min-width: 0; }
.stock__nameline { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.stock__name {
  font-weight: 700; font-size: 1rem;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%;
}
.stock__meta { margin-top: 3px; font-size: 0.82rem; color: var(--ink-soft); }
.stock__meta em { font-style: normal; color: var(--ink); font-weight: 600; }
.stock__price { color: var(--ink); font-weight: 600; }
.stock__editrow { margin-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; }
.stock__link {
  border: none; background: none; cursor: pointer;
  font: inherit; font-size: 0.78rem; font-weight: 600; color: var(--ink-soft);
  padding: 2px 4px; border-radius: 6px;
  transition: color 0.14s var(--ease);
}
.stock__link:hover { color: var(--amber-txt); }
.stock__link--del:hover { color: var(--low-dk); }

/* quantity stepper */
.stock__qty {
  flex: none;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.stepper { display: inline-flex; align-items: center; gap: 8px; }
.step {
  width: 40px; height: 40px; flex: none;
  border-radius: 10px;
  border: 1px solid var(--rule);
  background: var(--paper2);
  color: var(--ink);
  font-size: 1.4rem; font-weight: 700; line-height: 1;
  cursor: pointer;
  display: grid; place-items: center;
  transition: background 0.14s var(--ease), border-color 0.14s var(--ease), transform 0.1s var(--ease);
}
.step:hover { border-color: var(--amber); background: var(--amber-wash); }
.step:active { transform: translateY(1px); }
.step:disabled { opacity: 0.4; cursor: not-allowed; }
.step:disabled:hover { border-color: var(--rule); background: var(--paper2); }
.stock__qtynum {
  min-width: 2.4ch; text-align: center;
  font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em;
  color: var(--ink);
}
.stock__item.is-low .stock__qtynum { color: var(--low-dk); }
.stock__qtylabel { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); font-weight: 600; }

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--ink); color: var(--paper2);
  padding: 11px 20px; border-radius: 999px;
  font-size: 0.9rem; font-weight: 600;
  box-shadow: var(--shadow-lift); z-index: 40;
  max-width: calc(100% - 32px); text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.foot { border-top: 1px solid var(--rule); background: var(--paper2); margin-top: 12px; }
.foot__inner { max-width: var(--wrap); margin: 0 auto; padding: 26px clamp(20px, 5vw, 44px) 38px; }
.foot__disclaimer { font-size: 0.85rem; color: var(--ink-soft); max-width: 80ch; line-height: 1.55; }
.foot__disclaimer strong { color: var(--ink); }
.foot__meta { margin-top: 15px; display: flex; flex-wrap: wrap; gap: 6px 10px; font-size: 0.78rem; color: var(--ink-soft); }
.foot__dot { color: var(--rule); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .tagcard { order: 2; max-width: 460px; }
  .grid { grid-template-columns: 1fr; }
  .col--input { position: static; top: auto; }
}
@media (max-width: 560px) {
  .itemform__row { grid-template-columns: 1fr; }
  .hero__actions .btn { flex: 1; }
  .card { padding: 18px 16px 20px; }
  .stock__item { grid-template-columns: auto 1fr; }
  .stock__qty { grid-column: 1 / -1; flex-direction: row; justify-content: space-between; margin-top: 4px; }
  .stock__qtynum { order: -1; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  html { scroll-behavior: auto; }
}