:root {
  --ink: #17251e;
  --green: #18392b;
  --green-2: #28513d;
  --lime: #e8ff7a;
  --cream: #f7f3e8;
  --paper: #fffdf7;
  --white: #ffffff;
  --muted: #6f756f;
  --line: #dfe4dc;
  --line-dark: #cdd5cb;
  --danger: #a23a31;
  --danger-soft: #fbe7e2;
  --warning: #a66317;
  --warning-soft: #fff0d6;
  --good: #2b6b4b;
  --good-soft: #e2f3e8;
  --shadow: 0 18px 54px rgba(24,57,43,.08);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 4%, rgba(232,255,122,.24), transparent 26rem),
    radial-gradient(circle at 90% 15%, rgba(40,81,61,.08), transparent 30rem),
    var(--cream);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, input, select { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }

.app-shell { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; padding-bottom: 112px; }
.topbar {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 14px 0;
  background: rgba(247,243,232,.82);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand img { border-radius: 14px; box-shadow: 0 8px 20px rgba(24,57,43,.12); }
.brand span { display: flex; flex-direction: column; gap: 1px; }
.brand strong { font-size: 22px; letter-spacing: -.04em; }
.brand small { color: var(--muted); font-size: 12px; }
.top-actions { display: flex; gap: 10px; align-items: center; }
.portfolio-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  border: 1px solid transparent;
}
.portfolio-link:hover { background: var(--paper); border-color: var(--line-dark); }

button { border: 0; }
.primary-button, .secondary-button, .danger-button, .text-button, .icon-button {
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}
.primary-button:hover, .secondary-button:hover, .danger-button:hover, .icon-button:hover { transform: translateY(-1px); }
.primary-button {
  background: var(--green);
  color: var(--white);
  border-radius: 999px;
  padding: 13px 18px;
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(24,57,43,.14);
}
.primary-button:hover { background: var(--green-2); }
.secondary-button {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  padding: 12px 17px;
  font-weight: 800;
}
.danger-button {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid #efc2b8;
  border-radius: 999px;
  padding: 12px 17px;
  font-weight: 800;
}
.compact { padding: 10px 14px; font-size: 13px; }
.text-button { background: transparent; color: var(--green); font-weight: 800; padding: 8px 0; }
.icon-button {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  background: var(--paper);
  color: var(--green);
  border: 1px solid var(--line-dark);
  font-size: 20px;
}

.screen { display: none; animation: reveal .2s ease; }
.screen.active { display: block; }
@keyframes reveal { from { opacity: .35; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.hero-grid { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(320px,.65fr); gap: 18px; }
.hero-card, .loop-card, .panel, .metric-card {
  border: 1px solid rgba(205,213,203,.9);
  box-shadow: var(--shadow);
}
.hero-card {
  background: var(--green);
  color: white;
  border-radius: var(--radius-xl);
  padding: clamp(28px, 6vw, 62px);
  position: relative;
  overflow: hidden;
}
.hero-card::after {
  content: "";
  width: 260px;
  height: 260px;
  border: 42px solid rgba(232,255,122,.12);
  border-radius: 50%;
  position: absolute;
  right: -90px;
  top: -100px;
}
.hero-card .eyebrow { color: var(--lime); }
.hero-card h1 { margin: 10px 0 16px; max-width: 720px; font-size: clamp(38px, 6vw, 68px); line-height: .98; letter-spacing: -.065em; }
.hero-card p { color: rgba(255,255,255,.76); font-size: clamp(15px, 2vw, 18px); line-height: 1.65; max-width: 740px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; position: relative; z-index: 2; }
.hero-card .primary-button { background: var(--lime); color: var(--green); }
.hero-card .secondary-button { color: white; border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.08); }

.loop-card {
  background: var(--paper);
  border-radius: var(--radius-xl);
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-rows: 1fr auto 1fr;
  gap: 10px;
  align-items: center;
  min-height: 420px;
}
.loop-node {
  border-radius: 22px;
  min-height: 120px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.loop-node span { font-size: 12px; font-weight: 900; opacity: .58; }
.loop-node strong { font-size: 20px; }
.node-buy, .node-history { background: var(--green); color: white; }
.node-stock { background: var(--lime); }
.node-use { background: #efe8db; }
.loop-arrow { font-size: 28px; color: var(--green); font-weight: 900; text-align: center; }
.loop-arrow:nth-of-type(2) { grid-column: 3; grid-row: 2; }
.node-history { grid-column: 1; grid-row: 3; }
.loop-arrow.reverse { grid-column: 2; grid-row: 3; }
.node-use { grid-column: 3; grid-row: 3; }

.eyebrow { color: var(--green-2); font-size: 11px; font-weight: 900; letter-spacing: .15em; }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 18px 0; }
.metric-card { background: var(--paper); border-radius: var(--radius-lg); padding: 18px; }
.metric-card small { color: var(--muted); font-weight: 700; }
.metric-value { margin-top: 10px; font-size: clamp(26px,4vw,38px); font-weight: 900; letter-spacing: -.05em; }
.metric-note { color: var(--muted); font-size: 12px; margin-top: 5px; }

.content-grid { display: grid; gap: 18px; }
.two-columns { grid-template-columns: 1fr 1fr; }
.panel {
  background: rgba(255,253,247,.92);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-bottom: 18px;
}
.soft-panel { background: rgba(232,255,122,.18); }
.panel-heading { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 16px; }
.panel-heading h2 { margin: 5px 0 0; font-size: 23px; letter-spacing: -.035em; }
.page-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin: 24px 0 18px; }
.page-heading h1 { margin: 7px 0 6px; font-size: clamp(34px, 5vw, 54px); letter-spacing: -.055em; }
.page-heading p { margin: 0; max-width: 720px; color: var(--muted); line-height: 1.6; }

.stack-list { display: grid; gap: 9px; }
.list-row {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.68);
  border-radius: 16px;
  padding: 12px 13px;
}
.list-main { min-width: 0; }
.list-main strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-main small { color: var(--muted); display: block; margin-top: 3px; }
.row-actions { display: flex; gap: 7px; align-items: center; }
.mini-button {
  min-width: 40px;
  height: 38px;
  padding: 0 11px;
  border-radius: 11px;
  background: var(--green);
  color: white;
  font-weight: 900;
}
.mini-button.light { background: var(--paper); border: 1px solid var(--line-dark); color: var(--ink); }
.mini-button.warn { background: var(--warning-soft); color: var(--warning); }
.mini-button.danger { background: var(--danger-soft); color: var(--danger); }
.empty-state { padding: 24px 12px; color: var(--muted); text-align: center; border: 1px dashed var(--line-dark); border-radius: 16px; }

.expiry-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.expiry-card { border-radius: 16px; padding: 15px; background: var(--paper); border: 1px solid var(--line); }
.expiry-card.danger { background: var(--danger-soft); border-color: #efc2b8; }
.expiry-card.warning { background: var(--warning-soft); border-color: #edcf9f; }
.expiry-card strong { display: block; margin-bottom: 7px; }
.expiry-card small { color: var(--muted); }

.toolbar { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 10px; margin-bottom: 16px; }
input, select {
  width: 100%;
  min-height: 46px;
  background: var(--paper);
  border: 1px solid var(--line-dark);
  border-radius: 13px;
  padding: 10px 12px;
  color: var(--ink);
  outline: none;
}
input:focus, select:focus { border-color: var(--green-2); box-shadow: 0 0 0 3px rgba(40,81,61,.09); }
label { color: var(--muted); font-size: 12px; font-weight: 800; }
label input, label select { margin-top: 6px; color: var(--ink); font-weight: 500; }
.stock-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stock-card { background: var(--paper); border: 1px solid var(--line); border-radius: 19px; padding: 17px; box-shadow: 0 8px 30px rgba(24,57,43,.04); }
.stock-card-head { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.stock-card h3 { margin: 0; font-size: 20px; letter-spacing: -.025em; }
.stock-card .location { color: var(--muted); font-size: 12px; margin-top: 3px; }
.stock-qty { margin: 18px 0 13px; font-size: 34px; font-weight: 900; letter-spacing: -.04em; }
.stock-qty small { font-size: 13px; color: var(--muted); font-weight: 700; }
.stock-card-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.stock-card-actions .mini-button { width: 100%; }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 5px 8px; font-size: 10px; font-weight: 900; letter-spacing: .03em; background: #eef0ed; color: #5f655f; }
.badge.habitual { background: var(--good-soft); color: var(--good); }
.badge.observe { background: var(--warning-soft); color: var(--warning); }
.badge.expiry { background: var(--danger-soft); color: var(--danger); }

.habit-list { display: grid; gap: 10px; }
.habit-card { background: rgba(255,255,255,.66); border: 1px solid var(--line); border-radius: 16px; padding: 14px; }
.habit-card-top { display: flex; justify-content: space-between; gap: 10px; }
.habit-card strong { font-size: 16px; }
.habit-facts { display: grid; grid-template-columns: repeat(3,1fr); gap: 7px; margin-top: 12px; }
.habit-facts div { background: rgba(255,255,255,.72); border-radius: 11px; padding: 9px; }
.habit-facts small { display: block; color: var(--muted); font-size: 10px; }
.habit-facts b { display: block; margin-top: 3px; font-size: 13px; }

.range-panel { display: flex; justify-content: space-between; gap: 18px; align-items: end; }
.range-fields { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }
.range-fields label { min-width: 150px; }
.export-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; min-width: 520px; }
th, td { text-align: left; border-bottom: 1px solid var(--line); padding: 11px 8px; font-size: 13px; }
th { color: var(--muted); font-size: 11px; letter-spacing: .04em; text-transform: uppercase; }
td:last-child, th:last-child { text-align: right; }
.timeline { display: grid; gap: 9px; }
.timeline-item { display: grid; grid-template-columns: 74px 12px 1fr; gap: 10px; }
.timeline-date { color: var(--muted); font-size: 11px; padding-top: 2px; }
.timeline-dot { width: 9px; height: 9px; border-radius: 50%; margin-top: 4px; background: var(--green); }
.timeline-dot.consume { background: var(--good); }
.timeline-dot.waste { background: var(--danger); }
.timeline-dot.adjust { background: var(--warning); }
.timeline-content strong { display: block; font-size: 13px; }
.timeline-content small { color: var(--muted); }

.muted-copy, .inline-note { color: var(--muted); line-height: 1.65; }
.button-stack { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.status-card { border-top: 1px solid var(--line); margin-top: 20px; padding-top: 14px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.data-facts { display: grid; gap: 9px; }
.data-fact { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 9px; }
.data-fact span { color: var(--muted); }
.data-fact strong { text-align: right; }
.transfer-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 12px; align-items: stretch; }
.transfer-flow > div:not(.transfer-arrow) { background: var(--cream); border: 1px solid var(--line); border-radius: 18px; padding: 16px; }
.transfer-flow span { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--green); color: white; font-size: 12px; font-weight: 900; }
.transfer-flow strong { display: block; margin: 12px 0 4px; }
.transfer-flow small { color: var(--muted); line-height: 1.5; }
.transfer-arrow { display: grid; place-items: center; font-size: 24px; color: var(--green); }

.bottom-nav {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: max(12px, env(safe-area-inset-bottom));
  width: min(680px, calc(100% - 22px));
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 6px;
  padding: 7px;
  border-radius: 22px;
  background: rgba(24,57,43,.94);
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 50px rgba(24,57,43,.26);
  z-index: 50;
}
.nav-button { background: transparent; color: rgba(255,255,255,.72); border-radius: 15px; min-height: 58px; display: flex; flex-direction: column; gap: 3px; align-items: center; justify-content: center; }
.nav-button span { font-size: 19px; line-height: 1; }
.nav-button small { font-size: 10px; font-weight: 800; }
.nav-button.active { background: var(--lime); color: var(--green); }

.modal { width: min(620px, calc(100vw - 24px)); border: 0; border-radius: 25px; padding: 22px; color: var(--ink); background: var(--paper); box-shadow: 0 26px 90px rgba(0,0,0,.24); }
.modal-wide { width: min(980px, calc(100vw - 24px)); }
.modal::backdrop { background: rgba(17,28,22,.58); backdrop-filter: blur(4px); }
.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.modal-head h2 { margin: 6px 0 0; font-size: 28px; letter-spacing: -.04em; }
.form-grid { display: grid; gap: 10px; }
.form-grid.two { grid-template-columns: 1fr 1fr; }
.form-grid.three { grid-template-columns: 1fr 1fr 1fr; }
.full-label { display: block; margin: 12px 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
.purchase-lines-head { display: flex; justify-content: space-between; align-items: end; gap: 14px; margin: 22px 0 10px; }
.purchase-lines-head small { display: block; color: var(--muted); margin-top: 3px; }
.purchase-lines { display: grid; gap: 8px; }
.purchase-line { display: grid; grid-template-columns: minmax(180px,2fr) 100px 110px 120px 44px; gap: 7px; align-items: center; }
.purchase-line button { height: 44px; border-radius: 12px; background: var(--danger-soft); color: var(--danger); font-size: 18px; }
.purchase-line.needs-review { padding: 7px; border: 1px solid #f0b45a; border-radius: 14px; background: #fff8e8; }
.purchase-line.needs-review::before { content: '⚠ Revisar: el OCR no pudo confirmar precio o formato'; grid-column: 1 / -1; color: #8a5a00; font-size: 11px; font-weight: 800; }
.privacy-copy { color: var(--muted); line-height: 1.7; }
.privacy-copy strong { color: var(--ink); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 96px;
  transform: translate(-50%, 16px);
  background: #10251c;
  color: white;
  padding: 11px 16px;
  border-radius: 999px;
  box-shadow: 0 16px 40px rgba(0,0,0,.2);
  opacity: 0;
  pointer-events: none;
  transition: .2s ease;
  z-index: 90;
  max-width: calc(100vw - 30px);
  text-align: center;
  font-size: 13px;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 900px) {
  .hero-grid, .two-columns { grid-template-columns: 1fr; }
  .loop-card { min-height: 360px; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .stock-grid { grid-template-columns: 1fr 1fr; }
  .expiry-strip { grid-template-columns: 1fr 1fr; }
  .range-panel { align-items: stretch; flex-direction: column; }
  .export-actions { justify-content: flex-start; }
  .transfer-flow { grid-template-columns: 1fr; }
  .transfer-arrow { transform: rotate(90deg); min-height: 22px; }
}

@media (max-width: 640px) {
  .app-shell { width: min(100% - 22px, var(--max)); }
  .topbar { min-height: 76px; }
  .brand small { display: none; }
  .brand strong { font-size: 19px; }
  .brand img { width: 40px; height: 40px; }
  .top-actions .primary-button { display: none; }
  .hero-card { padding: 28px 22px; }
  .hero-card h1 { font-size: 42px; }
  .loop-card { min-height: 300px; padding: 16px; }
  .loop-node { min-height: 92px; padding: 13px; border-radius: 17px; }
  .loop-node strong { font-size: 16px; }
  .metric-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .metric-card { padding: 14px; }
  .metric-value { font-size: 28px; }
  .panel { padding: 17px; }
  .panel-heading h2 { font-size: 20px; }
  .page-heading { align-items: stretch; flex-direction: column; }
  .page-heading h1 { font-size: 38px; }
  .toolbar { grid-template-columns: 1fr; }
  .stock-grid { grid-template-columns: 1fr; }
  .expiry-strip { grid-template-columns: 1fr; }
  .range-fields { display: grid; grid-template-columns: 1fr 1fr; }
  .range-fields .primary-button { grid-column: 1 / -1; }
  .export-actions { display: grid; }
  .form-grid.two, .form-grid.three { grid-template-columns: 1fr; }
  .purchase-line { grid-template-columns: 1fr 72px 74px 88px 40px; gap: 5px; }
  .purchase-line input, .purchase-line select { min-height: 42px; padding: 8px; font-size: 12px; }
  .purchase-line .line-name { grid-column: 1 / -2; }
  .purchase-line .line-remove { grid-column: -2 / -1; grid-row: 1; }
  .habit-facts { grid-template-columns: 1fr 1fr 1fr; }
  .bottom-nav { border-radius: 19px; }
  .nav-button { min-height: 54px; }
  .nav-button span { font-size: 17px; }
}

/* Ticket OCR -------------------------------------------------------------- */
.receipt-import {
  margin: 0 0 18px;
  padding: 16px;
  border: 1px solid rgba(24,57,43,.12);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(217,241,196,.42), rgba(255,255,255,.84));
}
.receipt-import-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}
.receipt-import-head h3 { margin: 4px 0 5px; font-size: 20px; letter-spacing: -.02em; }
.receipt-import-head p { margin: 0; color: var(--muted); line-height: 1.45; max-width: 720px; font-size: 13px; }
.receipt-capture-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.receipt-preview-wrap {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border: 1px solid rgba(24,57,43,.1);
  border-radius: 14px;
  background: rgba(255,255,255,.72);
}
.receipt-preview { width: 90px; height: 110px; object-fit: cover; border-radius: 10px; background: #eef2ee; }
.receipt-preview-info { min-width: 0; }
.receipt-preview-info strong, .receipt-preview-info small { display: block; }
.receipt-preview-info strong { overflow-wrap: anywhere; }
.receipt-preview-info small { color: var(--muted); margin-top: 5px; line-height: 1.4; }
.ocr-progress-wrap { margin-top: 12px; }
.ocr-progress-track { height: 9px; background: rgba(24,57,43,.1); border-radius: 999px; overflow: hidden; }
.ocr-progress-bar { width: 0%; height: 100%; background: var(--green); border-radius: inherit; transition: width .18s ease; }
.ocr-progress-wrap small { display: block; color: var(--muted); margin-top: 6px; }
.ocr-details { margin-top: 12px; }
.ocr-details summary { cursor: pointer; font-weight: 800; color: var(--green); }
.ocr-details textarea {
  width: 100%;
  min-height: 150px;
  margin-top: 10px;
  resize: vertical;
  border: 1px solid rgba(24,57,43,.16);
  border-radius: 14px;
  padding: 12px;
  background: #fff;
  color: var(--ink);
  font: 12px/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.ocr-details-actions { display: flex; justify-content: flex-end; margin-top: 8px; }
.receipt-tech-note { margin: 10px 0 0; color: var(--muted); font-size: 11px; line-height: 1.45; }

@media (max-width: 640px) {
  .receipt-import { padding: 13px; }
  .receipt-import-head { display: block; }
  .receipt-import-head .badge { display: inline-flex; margin-top: 9px; }
  .receipt-capture-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .receipt-capture-actions .primary-button { grid-column: 1 / -1; }
  .receipt-preview-wrap { grid-template-columns: 72px 1fr; }
  .receipt-preview { width: 72px; height: 92px; }
}


/* FoodLoop v1.2 - selector de fotos robusto en móvil */
.file-action {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.native-file-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  font-size: 100px;
}
.mobile-photo-help {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}
@media (max-width: 700px) {
  .file-action,
  .receipt-capture-actions > button {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}