:root {
  --bg: #f6f3ee;
  --panel: #fffdf8;
  --ink: #26231f;
  --muted: #746b60;
  --line: #e6ddd0;
  --brand: #6b4226;
  --brand-2: #9f673a;
  --accent: #e7cda8;
  --danger: #a33b37;
  --shadow: 0 20px 60px rgba(38, 35, 31, 0.09);
  --radius: 22px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at top left, #fff8ea 0, var(--bg) 42%, #eee6da 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

button, input, textarea, select, a.button, .upload-button {
  font: inherit;
}

button, a.button, .upload-button {
  border: 0;
  border-radius: 14px;
  min-height: 52px;
  padding: 0.82rem 1.05rem;
  background: var(--accent);
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-weight: 750;
  box-shadow: 0 8px 20px rgba(107, 66, 38, 0.12);
  touch-action: manipulation;
}
button:hover, a.button:hover, .upload-button:hover { filter: brightness(0.98); }
button:focus-visible, a.button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid rgba(107, 66, 38, 0.35);
  outline-offset: 2px;
}
button.primary { background: var(--brand); color: white; }
button.ghost, a.ghost { background: #fff; border: 1px solid var(--line); box-shadow: none; }
button.danger, .danger { color: var(--danger); }
button.active, .chip.active { background: var(--brand); color: white; }
button[disabled] { opacity: 0.55; cursor: not-allowed; }
.upload-button input { display: none; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem clamp(1rem, 4vw, 2.5rem) 0.75rem;
}
.topbar h1 { margin: 0.2rem 0 0; font-size: clamp(1.55rem, 2.7vw, 2.8rem); letter-spacing: -0.04em; }
.topbar-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; justify-content: flex-end; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; color: var(--brand-2); font-size: 0.75rem; font-weight: 850; margin: 0; }
.muted { color: var(--muted); }

.tabs {
  display: flex;
  gap: 0.5rem;
  padding: 0.35rem clamp(1rem, 4vw, 2.5rem) 1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  position: sticky;
  top: 0;
  background: rgba(246, 243, 238, 0.86);
  backdrop-filter: blur(10px);
  z-index: 20;
}
.tab { flex: 0 0 auto; box-shadow: none; background: #fffdf8; border: 1px solid var(--line); }

.app { padding: 0 clamp(1rem, 4vw, 2.5rem) 3rem; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.card {
  background: rgba(255, 253, 248, 0.95);
  border: 1px solid rgba(230, 221, 208, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.notice {
  margin-bottom: 0.8rem;
  padding: 0.8rem 1rem;
  border-radius: 16px;
  background: #fff9e7;
  color: #6b4f21;
  border: 1px solid #edd9a8;
}
.toolbar, .proposal-toolbar {
  padding: 1rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.button-row { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; }

.menu-ticket-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 0.35fr);
  gap: 1rem;
  align-items: start;
}
.menu-browser, .ticket { padding: 1rem; }
.search-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(160px, 0.2fr); gap: 0.75rem; margin-bottom: 0.85rem; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 14px;
  padding: 0.85rem 0.95rem;
  min-height: 52px;
}
textarea { resize: vertical; }
.chip-row { display: flex; gap: 0.45rem; overflow-x: auto; -webkit-overflow-scrolling: touch; padding: 0.25rem 0 0.65rem; }
.sticky-chips { position: sticky; top: 70px; background: rgba(255, 253, 248, 0.92); backdrop-filter: blur(8px); z-index: 10; }
.chip { flex: 0 0 auto; background: #fff; border: 1px solid var(--line); box-shadow: none; min-height: 42px; padding: 0.55rem 0.85rem; }
.menu-meta { color: var(--muted); font-size: 0.9rem; margin: 0.1rem 0 0.8rem; }
.menu-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}
.menu-item {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 0.55rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  aspect-ratio: 1 / 1;
  min-height: 0;
  overflow: hidden;
}
.menu-item h3 {
  margin: 0;
  font-size: clamp(1rem, 1rem + 0.35vw, 1.18rem);
  line-height: 1.18;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.menu-item p { margin: 0; color: var(--muted); line-height: 1.5; font-size: 1rem; }
.menu-item-footer {
  margin-top: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.55rem;
  align-items: end;
}
.price { font-weight: 850; font-size: clamp(1rem, 0.98rem + 0.35vw, 1.18rem); }
.unit { color: var(--muted); font-size: 0.92rem; line-height: 1.2; }
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.32rem;
  align-content: start;
  overflow: hidden;
}
.tag {
  background: #f1ece4;
  color: #5f5448;
  border-radius: 999px;
  padding: 0.2rem 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.15;
}
.add-button {
  min-width: 74px;
  min-height: 74px;
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  padding: 0.6rem;
  font-size: 0.95rem;
  line-height: 1.1;
  text-align: center;
}

.ticket { position: sticky; top: 128px; max-height: calc(100vh - 150px); overflow: auto; overscroll-behavior: contain; }
.ticket-heading { display: flex; justify-content: space-between; align-items: start; gap: 1rem; margin-bottom: 1rem; }
.ticket-heading h2 { margin: 0.1rem 0 0; }
.pill { border-radius: 999px; background: #f1ece4; padding: 0.45rem 0.7rem; font-weight: 800; white-space: nowrap; }
.ticket-items { display: flex; flex-direction: column; gap: 0.75rem; }
.empty-state { border: 1px dashed var(--line); border-radius: 18px; padding: 1rem; color: var(--muted); background: #fff; }
.ticket-line { border: 1px solid var(--line); border-radius: 18px; padding: 0.75rem; background: #fff; }
.ticket-line-top { display: flex; justify-content: space-between; gap: 0.5rem; align-items: start; }
.ticket-line h3 { margin: 0; font-size: 1.08rem; }
.icon-button { min-height: 34px; width: 34px; padding: 0; border-radius: 50%; background: #f8eeee; box-shadow: none; }
.line-controls { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.45rem; margin-top: 0.65rem; }
.line-controls label, .pricing-controls label, .details-grid label { color: var(--muted); font-size: 0.92rem; font-weight: 750; }
.line-controls input, .pricing-controls input { padding: 0.65rem; min-height: 46px; }
.ticket-line textarea { min-height: 64px; margin-top: 0.45rem; font-size: 1rem; }
.line-total { text-align: right; margin-top: 0.45rem; font-weight: 850; font-size: 1.02rem; }
.pricing-controls { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.55rem; margin-top: 1rem; }
.totals { margin: 1rem 0; border-top: 1px solid var(--line); padding-top: 0.7rem; }
.totals div { display: flex; justify-content: space-between; gap: 1rem; padding: 0.25rem 0; }
.totals .grand { font-size: 1.25rem; font-weight: 900; border-top: 1px solid var(--line); margin-top: 0.35rem; padding-top: 0.55rem; }
.ticket-actions { display: grid; gap: 0.5rem; }

.details-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(330px, 0.55fr); gap: 1rem; align-items: start; }
.details-layout .card { padding: 1rem; }
.section-heading { margin-bottom: 1rem; }
.section-heading h2 { margin: 0.15rem 0 0.35rem; }
.details-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.85rem; }
.details-grid label { display: flex; flex-direction: column; gap: 0.35rem; }
.span-2 { grid-column: span 2; }
.template-editor { width: 100%; min-height: 510px; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; font-size: 0.86rem; line-height: 1.5; white-space: pre; overflow: auto; }
code { background: #f1ece4; border-radius: 6px; padding: 0.08rem 0.25rem; }

.proposal-toolbar { align-items: flex-start; }
.proposal-toolbar h2 { margin: 0.1rem 0; }
.proposal-document {
  max-width: 980px;
  margin: 1rem auto 0;
  padding: clamp(1rem, 3vw, 3rem);
  background: white;
  line-height: 1.65;
  font-size: 1.02rem;
  outline: none;
}
.proposal-document h1 { font-size: clamp(2rem, 6vw, 4rem); letter-spacing: -0.05em; margin: 0.25rem 0 1rem; line-height: 0.95; }
.proposal-document h2 { border-bottom: 1px solid #ddd2c0; padding-bottom: 0.35rem; margin-top: 1.8rem; }
.proposal-document table { width: 100%; border-collapse: collapse; margin: 0.8rem 0 1.2rem; }
.proposal-document th, .proposal-document td { border-bottom: 1px solid #e6ddd0; padding: 0.55rem 0.45rem; text-align: left; vertical-align: top; }
.proposal-document th { background: #f6f1e8; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; }
.proposal-document .doc-cover { padding: 2rem; border-radius: 24px; background: #f8f2e8; margin-bottom: 1.5rem; }
.proposal-document .doc-kicker { color: #8a5b32; text-transform: uppercase; letter-spacing: 0.12em; font-weight: 850; }
.proposal-document .summary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem; }
.proposal-document .summary-card { border: 1px solid #e6ddd0; border-radius: 14px; padding: 0.8rem; background: #fffdf8; }
.proposal-document .summary-label { color: #746b60; font-size: 0.8rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; }
.proposal-document .pricing-table td:last-child, .proposal-document .pricing-table th:last-child, .proposal-document .menu-table td:last-child, .proposal-document .menu-table th:last-child { text-align: right; }
.proposal-document .total-row td { font-weight: 900; font-size: 1.1rem; }
.proposal-document .signature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 2rem; }
.proposal-document .signature-line { border-top: 1px solid #26231f; padding-top: 0.35rem; min-height: 2.5rem; }

@media (max-width: 1100px) {
  .menu-ticket-layout, .details-layout { grid-template-columns: 1fr; }
  .ticket {
    position: relative;
    top: auto;
    max-height: none;
    overflow: visible;
  }
}

@media (max-width: 900px) {
  .app { padding-bottom: 2rem; }
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding-bottom: 0.5rem;
  }
  .topbar-actions {
    width: 100%;
    justify-content: stretch;
  }
  .topbar-actions > * {
    flex: 1 1 0;
  }
  .toolbar, .proposal-toolbar {
    align-items: stretch;
  }
  .menu-browser, .ticket, .details-layout .card {
    padding: 0.9rem;
  }
  .sticky-chips {
    top: 62px;
  }
  .proposal-document {
    margin-top: 0.75rem;
    padding: 1rem;
  }
}

@media (max-width: 1100px) {
  .menu-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  button, a.button, .upload-button {
    width: 100%;
    min-height: 50px;
  }
  .tabs {
    padding-bottom: 0.75rem;
  }
  .tab {
    min-height: 48px;
  }
  .search-row, .details-grid, .pricing-controls, .line-controls {
    grid-template-columns: 1fr;
  }
  .span-2 { grid-column: span 1; }
  .toolbar > *, .proposal-toolbar .button-row > *, .ticket-actions > * {
    width: 100%;
  }
  .button-row {
    flex-direction: column;
    align-items: stretch;
  }
  .menu-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .menu-item {
    min-height: 0;
    padding: 0.8rem;
  }
  .menu-item-footer {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
  .add-button {
    width: 100%;
    min-height: 56px;
    aspect-ratio: auto;
  }
  .ticket-heading,
  .ticket-line-top {
    flex-direction: column;
    align-items: stretch;
  }
  .pill {
    align-self: flex-start;
  }
  .proposal-document {
    font-size: 0.96rem;
    overflow-x: auto;
  }
  .proposal-document table {
    min-width: 640px;
  }
  .proposal-document .summary-grid, .proposal-document .signature-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  :root {
    font-size: 17px;
  }
  .topbar {
    padding-top: 1rem;
  }
  .topbar h1 {
    font-size: 1.4rem;
  }
  .app,
  .tabs,
  .topbar {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  .notice,
  .toolbar,
  .proposal-toolbar,
  .menu-browser,
  .ticket,
  .details-layout .card,
  .proposal-document {
    border-radius: 16px;
  }
  input, textarea, select {
    padding: 0.7rem 0.8rem;
  }
  .menu-grid {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
  .menu-item {
    padding: 0.72rem;
    aspect-ratio: auto;
  }
  .menu-item h3 {
    font-size: 0.96rem;
  }
  .price {
    font-size: 0.96rem;
  }
  .unit {
    font-size: 0.84rem;
  }
  .tag {
    font-size: 0.68rem;
  }
  .add-button {
    min-height: 52px;
    font-size: 0.9rem;
  }
  .template-editor {
    min-height: 320px;
    font-size: 0.8rem;
  }
}

@media (min-width: 721px) and (max-width: 1024px) and (orientation: portrait) {
  .menu-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 721px) and (max-width: 1024px) and (orientation: landscape) {
  .menu-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media print {
  body { background: white; }
  .topbar, .tabs, .toolbar, .proposal-toolbar, .notice, #panel-menu, #panel-details { display: none !important; }
  .app { padding: 0; }
  #panel-proposal, #proposalDocument { display: block !important; }
  .proposal-document { box-shadow: none; border: 0; margin: 0; max-width: none; padding: 0.5in; }
}