@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #1C1E22;
  --surface: #24272C;
  --surface-raised: #2C3036;
  --paper: #EFEAE0;
  --paper-line: #C9C3B3;
  --paper-line-dim: #B9B29B;
  --paper-muted: #6B6858;
  --paper-check: #8A8368;
  --ink: #211D17;
  --offwhite: #EDE9E1;
  --muted: #9A9D9F;
  --blue: #3E6D9C;
  --blue-dim: #2E5679;
  --rust: #A8461F;
  --olive: #6B7A4F;

  --font-display: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--offwhite);
  font-family: var(--font-body);
}

button {
  font-family: inherit;
  cursor: pointer;
}

.tap { transition: transform 0.12s ease, background-color 0.12s ease, border-color 0.12s ease; }
.tap:active { transform: scale(0.98); }

.max-w {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.app-header {
  border-bottom: 1px solid var(--surface-raised);
  background: var(--surface);
}
.brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0 0;
}
.brand-left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-name {
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  font-weight: 600;
  font-size: 18px;
}
.home-link {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 7px 12px;
  border-radius: 7px;
  border: 1px solid var(--surface-raised);
}
.home-link:hover {
  color: var(--offwhite);
  border-color: var(--blue);
}
.tabs {
  display: flex;
  gap: 8px;
  padding: 12px 0;
  overflow-x: auto;
}
.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-family: var(--font-display);
  letter-spacing: 0.03em;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  white-space: nowrap;
}
.tab-btn.active {
  border-color: var(--blue);
  background: var(--blue-dim);
  color: var(--offwhite);
}

.page { padding: 24px 0; }

/* Month stamp */
.month-stamp {
  background: var(--surface);
  border: 1px solid var(--surface-raised);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.month-stamp button.nav-btn {
  color: var(--muted);
  background: none;
  border: none;
  padding: 4px;
  display: flex;
}
.month-stamp-center { text-align: center; }
.month-stamp-title {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.05em;
  color: var(--offwhite);
}
.month-stamp-title .yr { color: var(--muted); }
.back-to-month {
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--blue);
  background: none;
  border: none;
}

.plan-note {
  color: var(--muted);
  font-size: 13px;
  margin: 10px 0 20px;
}

/* Day list */
.day-list { display: flex; flex-direction: column; gap: 8px; }
.week-divider {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.12em;
  margin-top: 10px;
  margin-bottom: 2px;
}
.week-divider.first { margin-top: 0; }

.day-card {
  background: var(--surface);
  border-radius: 10px;
  border: 1px solid var(--surface-raised);
  padding: 16px;
}
.day-card-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}
.day-weekday {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--blue);
  letter-spacing: 0.03em;
}
.day-date {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
}
.meal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}
@media (min-width: 640px) {
  .meal-grid { grid-template-columns: 1fr 1fr 1fr; }
}

.meal-slot {
  background: var(--surface-raised);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 12px;
  text-align: left;
  width: 100%;
}
.meal-slot:hover { border-color: var(--blue); }
.meal-slot-label {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}
.meal-slot-name {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--offwhite);
  line-height: 1.3;
}
.meal-slot-time {
  font-size: 11px;
  color: var(--muted);
  margin-top: 3px;
  font-family: var(--font-mono);
}

/* Cookbook */
.filter-pills {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.filter-pill {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  border: 1px solid var(--surface-raised);
  background: transparent;
  color: var(--muted);
}
.filter-pill.active {
  border-color: var(--blue);
  background: var(--blue-dim);
  color: var(--offwhite);
}

.cookbook-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 640px) {
  .cookbook-grid { grid-template-columns: 1fr 1fr; }
}

.cookbook-card {
  background: var(--paper);
  color: var(--ink);
  border-radius: 6px;
  padding: 14px 16px;
  text-align: left;
  border: 1px solid var(--surface-raised);
}
.cookbook-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.cookbook-card-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--rust);
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}
.cookbook-card-time {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--paper-muted);
}
.cookbook-card-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 50;
}
@media (min-width: 640px) {
  .modal-backdrop { align-items: center; padding: 16px; }
}
.modal-panel {
  background: var(--paper);
  color: var(--ink);
  border-radius: 12px 12px 0 0;
  max-width: 480px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
}
@media (min-width: 640px) {
  .modal-panel { border-radius: 12px; }
}
.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 20px 20px 12px;
}
.modal-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--rust);
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.modal-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
}
.modal-close {
  background: none;
  border: none;
  color: var(--ink);
  padding: 4px;
}
.modal-section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--paper-muted);
  margin-bottom: 8px;
}
.modal-ingredients { list-style: none; margin: 0; padding: 0 20px 8px; font-size: 14px; line-height: 1.9; }
.modal-ingredients li {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed var(--paper-line);
  padding: 2px 0;
}
.ing-name { text-transform: capitalize; }
.ing-amt { font-family: var(--font-mono); color: var(--paper-muted); }
.modal-steps { list-style: none; margin: 0; padding: 16px 20px; display: flex; flex-direction: column; gap: 10px; }
.modal-steps li { display: flex; gap: 10px; font-size: 14px; line-height: 1.5; }
.step-num { font-family: var(--font-mono); font-weight: 600; color: var(--rust); min-width: 18px; }

/* Receipt */
.receipt-wrap { display: flex; justify-content: center; margin-top: 24px; }
.receipt {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  width: 100%;
  max-width: 380px;
  border-radius: 4px;
  padding: 20px 22px 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}
.receipt-tear { text-align: center; font-size: 11px; letter-spacing: 0.2em; color: var(--paper-muted); }
.receipt-title { text-align: center; margin: 14px 0 4px; }
.receipt-title .rt-main { font-family: var(--font-display); font-size: 18px; letter-spacing: 0.05em; }
.receipt-title .rt-sub { font-size: 11px; color: var(--paper-muted); margin-top: 2px; }
.receipt-hr { border-top: 1px dashed var(--paper-line-dim); margin: 14px 0; }
.receipt-hr.tight { margin: 6px 0 12px; }
.receipt-category { margin-bottom: 14px; }
.receipt-category-name {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--rust);
  margin-bottom: 6px;
  font-weight: 600;
}
.receipt-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: none;
  border: none;
  padding: 3px 0;
  text-align: left;
}
.receipt-check {
  width: 13px;
  height: 13px;
  border: 1.5px solid var(--paper-check);
  border-radius: 2px;
  flex-shrink: 0;
}
.receipt-check.checked { background: var(--olive); border-color: var(--olive); }
.receipt-item-name {
  font-size: 13px;
  flex: 1;
  text-transform: capitalize;
  color: var(--ink);
}
.receipt-item-name.checked { text-decoration: line-through; color: var(--paper-check); }
.receipt-item-amt { font-size: 12px; color: var(--paper-muted); }
.receipt-footer { display: flex; justify-content: space-between; font-size: 11px; color: var(--paper-muted); }
.receipt-tagline { text-align: center; font-size: 10px; color: var(--paper-check); margin: 14px 0 6px; letter-spacing: 0.08em; }
.receipt-loading { text-align: center; font-size: 12px; color: var(--paper-muted); padding: 20px 0; }

.icon { display: inline-block; vertical-align: -2px; }