:root {
  --bg-paper: #f6f3ea;
  --bg-card: #ffffff;
  --bg-subtle: #eee9db;
  --ink: #18181b;
  --ink-muted: #52525b;
  --border-ink: #18181b;
  --accent-yellow: #ffd23f;
  --accent-yellow-soft: #fff4c2;
  --accent-coral: #ff6b4a;
  --profit-green: #15803d;
  --profit-bg: #dcfce7;
  --cost-bg: #f4f4f5;
  --error-red: #b91c1c;
  --error-bg: #fee2e2;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-brutal: 4px 4px 0px #18181b;
  --shadow-brutal-sm: 2px 2px 0px #18181b;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-paper);
  background-image: radial-gradient(#d8d2c1 1px, transparent 1px);
  background-size: 20px 20px;
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.45;
  padding-bottom: 3rem;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.hidden {
  display: none !important;
}

/* TOPBAR */
.topbar {
  background: var(--bg-card);
  border-bottom: 2px solid var(--border-ink);
  padding: 0.9rem 0;
  margin-bottom: 1.75rem;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--accent-yellow);
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-brutal-sm);
  display: grid;
  place-items: center;
  font-size: 1.35rem;
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.brand-tag {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  background: var(--ink);
  color: var(--accent-yellow);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.brand-subtitle {
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.save-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--bg-subtle);
  border: 1.5px solid var(--border-ink);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
}

.save-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--profit-green);
}

.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--border-ink);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.7rem;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s ease, background-color 0.15s ease;
}

.btn-ghost:hover {
  background: var(--accent-yellow-soft);
}

.btn-cafecito {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: #00C8B3;
  color: #18181b;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 0.35rem 0.75rem;
  border: 1.5px solid var(--border-ink);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-brutal-sm);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.btn-cafecito:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px #18181b;
  background: #1ae0cb;
}

.btn-cafecito-ticket {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  width: 100%;
  padding: 0.7rem 1rem;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 800;
  color: #18181b;
  text-decoration: none;
  background: #d5faf5;
  border: 2px dashed #009688;
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease, transform 0.1s ease;
  margin-top: 0.2rem;
}

.btn-cafecito-ticket:hover {
  background: #bbf4ec;
  transform: translateY(-1px);
}

.site-footer {
  margin-top: 3.5rem;
  border-top: 2px dashed var(--border-ink);
  padding: 1.5rem 0 0.5rem;
}

.site-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: var(--ink-muted);
  font-weight: 600;
}

.footer-cafecito-link {
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: #00C8B3;
  padding: 0.35rem 0.8rem;
  border: 1.5px solid var(--border-ink);
  border-radius: 999px;
  box-shadow: var(--shadow-brutal-sm);
  transition: transform 0.1s ease;
}

.footer-cafecito-link:hover {
  transform: translate(-1px, -1px);
}

/* LAYOUT GRID */
.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, 0.95fr);
  gap: 1.6rem;
  align-items: start;
}

.controls-column {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

/* CARDS */
.card {
  background: var(--bg-card);
  border: 2px solid var(--border-ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-brutal);
  padding: 1.35rem;
}

.card-header {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1.15rem;
  flex-wrap: wrap;
}

.step-number {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.85rem;
  background: var(--accent-yellow);
  border: 2px solid var(--border-ink);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.5rem;
  box-shadow: var(--shadow-brutal-sm);
}

.card-title {
  font-size: 1.12rem;
  font-weight: 800;
}

.card-desc {
  font-size: 0.86rem;
  color: var(--ink-muted);
}

.sheet-cost-pill {
  margin-left: auto;
  background: var(--accent-yellow-soft);
  border: 1.5px solid var(--border-ink);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.65rem;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.sheet-cost-pill strong {
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

/* TABS */
.mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  background: var(--bg-subtle);
  padding: 0.3rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-ink);
  margin-bottom: 1.1rem;
}

.mode-tab {
  border: none;
  background: transparent;
  padding: 0.55rem 0.75rem;
  border-radius: 7px;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  color: var(--ink-muted);
  transition: all 0.15s ease;
}

.mode-tab.active {
  background: var(--bg-card);
  color: var(--ink);
  border: 1.5px solid var(--border-ink);
  box-shadow: var(--shadow-brutal-sm);
}

/* FORM FIELDS */
.field-row {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 0.95rem;
}

.field-row.two-cols {
  grid-template-columns: 1fr 1fr;
}

.field-row.three-cols {
  grid-template-columns: 1fr 1fr 1fr;
}

.field-group-inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field label {
  font-size: 0.84rem;
  font-weight: 700;
}

.field-hint {
  font-size: 0.75rem;
  color: var(--ink-muted);
}

input[type="number"],
select {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.55rem 0.7rem;
  border: 2px solid var(--border-ink);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
}

input[type="number"]:focus,
select:focus {
  outline: none;
  background: var(--accent-yellow-soft);
}

.input-prefix,
.input-suffix {
  display: flex;
  align-items: stretch;
  border: 2px solid var(--border-ink);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #fff;
}

.input-prefix:focus-within,
.input-suffix:focus-within {
  background: var(--accent-yellow-soft);
}

.input-prefix input,
.input-suffix input {
  border: none;
  background: transparent;
}

.input-prefix span,
.input-suffix span {
  display: flex;
  align-items: center;
  padding: 0 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--bg-subtle);
  color: var(--ink);
}

.input-prefix span {
  border-right: 1.5px solid var(--border-ink);
}

.input-suffix span {
  border-left: 1.5px solid var(--border-ink);
}

/* CHIPS */
.quick-chips-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}

.compact-top {
  margin-top: 0.4rem;
}

.chips-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-muted);
}

.chip {
  background: var(--bg-paper);
  border: 1.5px solid var(--border-ink);
  border-radius: 999px;
  padding: 0.22rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.12s ease, transform 0.1s ease;
}

.chip:hover,
.chip.active {
  background: var(--accent-yellow);
  transform: translateY(-1px);
}

/* SHEET PREVIEW BOX */
.sheet-preview-box {
  margin-top: 0.9rem;
  background: var(--bg-paper);
  border: 2px solid var(--border-ink);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.1rem;
  align-items: center;
}

.yield-badge-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.yield-big-number {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1;
  background: var(--accent-yellow);
  border: 2px solid var(--border-ink);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.55rem;
  box-shadow: var(--shadow-brutal-sm);
}

.yield-big-label {
  font-size: 1rem;
  font-weight: 800;
}

.yield-detail-text {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.rotation-pill {
  margin-top: 0.45rem;
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  background: var(--accent-yellow-soft);
  border: 1.5px solid var(--border-ink);
  border-radius: 6px;
  padding: 0.2rem 0.55rem;
}

.error-banner {
  margin-top: 0.5rem;
  background: var(--error-bg);
  color: var(--error-red);
  border: 1.5px solid var(--error-red);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.65rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.sheet-canvas-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.sheet-visual {
  width: 112px;
  height: 158px;
  background: #fff;
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-brutal-sm);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.sheet-usable {
  border: 1px dashed #a1a1aa;
  display: grid;
  place-content: start;
  overflow: hidden;
}

.sticker-cell {
  background: var(--accent-yellow);
  border: 1px solid var(--border-ink);
  border-radius: 2px;
}

.sheet-dim-caption {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
}

/* PACK HELPER */
.pack-helper {
  margin-top: 0.5rem;
  background: var(--bg-paper);
  border: 1.5px dashed var(--border-ink);
  border-radius: var(--radius-md);
  padding: 0.7rem 0.9rem;
}

.pack-helper summary {
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
}

.pack-helper-body {
  margin-top: 0.8rem;
}

.pack-helper-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
}

.btn-secondary {
  background: var(--ink);
  color: #fff;
  border: 2px solid var(--border-ink);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.8rem;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}

.btn-secondary:hover {
  background: #27272a;
}

/* SWITCH CARD */
.switch-card {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  background: var(--bg-paper);
  border: 2px solid var(--border-ink);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
  cursor: pointer;
}

.switch-card input {
  margin-top: 0.2rem;
  width: 18px;
  height: 18px;
  accent-color: var(--ink);
}

.switch-copy {
  display: flex;
  flex-direction: column;
  font-size: 0.82rem;
}

.switch-copy small {
  color: var(--ink-muted);
  font-size: 0.74rem;
}

/* PROFIT SLIDER */
.profit-block {
  margin-top: 0.5rem;
  background: var(--bg-paper);
  border: 2px solid var(--border-ink);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
}

.profit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.profit-header label {
  font-weight: 800;
  font-size: 0.9rem;
}

.profit-number-input {
  width: 115px;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--ink);
  margin: 0.35rem 0 0.65rem;
  cursor: pointer;
}

/* RIGHT COLUMN: STICKY TICKET */
.results-column {
  position: sticky;
  top: 1.25rem;
}

.ticket-card {
  background: var(--bg-card);
  border: 2.5px solid var(--border-ink);
  border-radius: var(--radius-lg);
  box-shadow: 6px 6px 0px #18181b;
  padding: 1.4rem;
}

.ticket-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 0.9rem;
  border-bottom: 2px dashed var(--border-ink);
}

.ticket-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.ticket-title {
  font-size: 1.25rem;
  font-weight: 800;
}

.ticket-badge {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 800;
  background: var(--ink);
  color: var(--accent-yellow);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
}

/* HERO PRICE */
.hero-price-box {
  margin-top: 1.1rem;
  background: var(--accent-yellow);
  border: 2px solid var(--border-ink);
  border-radius: var(--radius-md);
  padding: 1.05rem;
  box-shadow: var(--shadow-brutal-sm);
  text-align: center;
}

.hero-price-label {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-price-value {
  font-family: var(--font-mono);
  font-size: 2.35rem;
  font-weight: 800;
  line-height: 1.15;
  margin: 0.2rem 0;
}

.hero-unit-row {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.84rem;
  border-top: 1.5px solid rgba(24, 24, 27, 0.25);
  padding-top: 0.45rem;
  margin-top: 0.4rem;
}

.hero-unit-row strong {
  font-family: var(--font-mono);
}

/* FINANCE SPLIT */
.finance-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.95rem;
}

.finance-card {
  border: 2px solid var(--border-ink);
  border-radius: var(--radius-md);
  padding: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.finance-card.cost {
  background: var(--cost-bg);
}

.finance-card.profit {
  background: var(--profit-bg);
}

.finance-label {
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.finance-amount {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 800;
}

.finance-card.profit .finance-amount {
  color: var(--profit-green);
}

.finance-sub {
  font-size: 0.75rem;
  color: var(--ink-muted);
}

/* BREAKDOWN */
.production-breakdown {
  margin-top: 1.1rem;
  padding-top: 0.95rem;
  border-top: 2px dashed var(--border-ink);
}

.breakdown-heading {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  margin-bottom: 0.6rem;
}

.breakdown-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.86rem;
}

.breakdown-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.breakdown-list strong {
  font-family: var(--font-mono);
}

.extra-callout {
  margin-top: 0.85rem;
  background: var(--accent-yellow-soft);
  border: 1.5px solid var(--border-ink);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8rem;
}

/* TICKET ACTIONS */
.ticket-actions {
  margin-top: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.btn-primary,
.btn-outline {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 800;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-ink);
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.btn-primary {
  background: var(--ink);
  color: var(--accent-yellow);
  box-shadow: var(--shadow-brutal-sm);
}

.btn-primary:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px #18181b;
}

.btn-outline {
  background: var(--bg-paper);
  color: var(--ink);
}

.btn-outline:hover {
  background: var(--accent-yellow-soft);
}

.copy-feedback {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--profit-green);
}

/* RESPONSIVE */
@media (max-width: 920px) {
  .main-grid {
    grid-template-columns: 1fr;
  }

  .results-column {
    position: static;
  }
}

@media (max-width: 560px) {
  .field-row.two-cols,
  .field-row.three-cols,
  .finance-split,
  .sheet-preview-box {
    grid-template-columns: 1fr;
  }

  .sheet-canvas-wrap {
    margin-top: 0.5rem;
  }
}