:root {
  --paper: #fbfaf6;
  --surface: #ffffff;
  --ink: #20242b;
  --ink-soft: #5c636e;
  --ink-faint: #8a909b;
  --line: #e7e3d8;
  --line-soft: #f0ede5;

  --dry: #b57619;
  --dry-ink: #774c0d;
  --dry-soft: #f7eed9;
  --dry-line: #e6d2a8;

  --wet: #1f8a78;
  --wet-ink: #14584d;
  --wet-soft: #dcefe8;
  --wet-line: #b6ddd3;

  --danger: #b23a48;
  --danger-ink: #8a2230;
  --danger-soft: #f7e2e4;
  --danger-line: #e9c4c8;

  --ok-soft: #e3efdd;
  --ok-ink: #3a6a2f;
  --ok-line: #c4dcb8;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(40, 36, 28, 0.05), 0 8px 24px rgba(40, 36, 28, 0.05);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}
.muted {
  color: var(--ink-soft);
}
.mono {
  font-family: var(--font-mono);
}

/* ---- top bar ---- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  flex-wrap: wrap;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 560;
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand-mark {
  color: var(--dry);
  margin-right: 0.15rem;
}
.brand-mark.big {
  font-size: 1.8rem;
  display: block;
  margin: 0 0 0.3rem;
}
.topnav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.navlink {
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
}
.navlink:hover {
  background: var(--line-soft);
  color: var(--ink);
}
.logout-form {
  margin: 0;
  display: inline;
}
.as-button {
  border: none;
  background: none;
  cursor: pointer;
  font: inherit;
}

/* ---- page shell ---- */
.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.2rem 1.5rem 4rem;
}
.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.4rem;
}
.page-title {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin: 0;
}

/* ---- cards ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.row-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
}
.row-main {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
  min-width: 0;
}
.row-name {
  font-weight: 600;
  font-size: 1.05rem;
}
.row-sub {
  font-size: 0.9rem;
}

/* ---- buttons ---- */
.btn {
  display: inline-block;
  font: inherit;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  transition: background 0.12s ease, border-color 0.12s ease;
}
.btn:hover {
  background: var(--line-soft);
}
.btn-primary {
  background: var(--dry);
  border-color: var(--dry);
  color: #fff;
}
.btn-primary:hover {
  background: var(--dry-ink);
  border-color: var(--dry-ink);
}
.btn-quiet {
  border-color: transparent;
  background: transparent;
  color: var(--ink-soft);
}
.btn-quiet:hover {
  background: var(--line-soft);
  color: var(--ink);
}
.btn-danger {
  color: var(--danger-ink);
  border-color: var(--danger-line);
  background: var(--danger-soft);
}
.btn-danger:hover {
  background: #f2d2d5;
}
.btn-block {
  width: 100%;
  text-align: center;
}

/* ---- forms ---- */
.form {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.field-narrow {
  max-width: 11rem;
}
.field-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-soft);
}
.unit {
  color: var(--ink-faint);
  font-weight: 400;
}
.field-hint {
  font-size: 0.82rem;
  line-height: 1.4;
}
input[type="text"],
input[type="password"],
input[type="number"],
select {
  font: inherit;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  width: 100%;
}
input:focus,
select:focus,
.btn:focus-visible,
a:focus-visible {
  outline: 2px solid var(--dry);
  outline-offset: 1px;
}
.field-error {
  color: var(--danger-ink);
  font-size: 0.82rem;
}
.checkfield {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  cursor: pointer;
}
.checkfield input {
  margin-top: 0.25rem;
}
.checkfield-label {
  font-weight: 500;
  display: block;
}
.checkfield-hint {
  font-size: 0.82rem;
  line-height: 1.4;
  display: block;
}
.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
}

/* food sections, color-coded by type */
.foodset {
  border: 1px solid var(--line);
  border-left-width: 3px;
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem 1.1rem;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.foodset legend {
  font-family: var(--font-display);
  font-weight: 560;
  padding: 0 0.4rem;
}
.foodset-dry {
  border-left-color: var(--dry);
  background: linear-gradient(var(--surface), var(--surface)) padding-box;
}
.foodset-dry legend {
  color: var(--dry-ink);
}
.foodset-wet {
  border-left-color: var(--wet);
}
.foodset-wet legend {
  color: var(--wet-ink);
}

/* ---- tags ---- */
.tag {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  vertical-align: middle;
}
.tag-dry {
  background: var(--dry-soft);
  color: var(--dry-ink);
}
.tag-wet {
  background: var(--wet-soft);
  color: var(--wet-ink);
}

/* ---- the results readout (signature) ---- */
.readout {
  padding: 1.6rem;
  margin-bottom: 1.2rem;
}
.readout-headline {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.readout-figure {
  font-family: var(--font-mono);
  font-size: 3.2rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
}
.readout-unit {
  font-family: var(--font-mono);
  color: var(--ink-soft);
  font-size: 1rem;
}
.readout-caption {
  margin: 0.4rem 0 1.3rem;
  font-size: 0.92rem;
}
.goalmode {
  font-weight: 500;
  color: var(--ink);
}

.serving-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}
.serving {
  border: 1px solid var(--line);
  border-top: 3px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.serving-dry {
  border-top-color: var(--dry);
}
.serving-wet {
  border-top-color: var(--wet);
}
.serving-tag {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.serving-dry .serving-tag {
  color: var(--dry-ink);
}
.serving-wet .serving-tag {
  color: var(--wet-ink);
}
.serving-figure {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-weight: 500;
  line-height: 1.1;
}
.serving-dry .serving-figure {
  color: var(--dry);
}
.serving-wet .serving-figure {
  color: var(--wet);
}
.serving-unit {
  font-size: 0.95rem;
  margin-left: 0.15rem;
  color: var(--ink-soft);
}
.serving-meta {
  font-size: 0.84rem;
  line-height: 1.45;
}
.serving-flag {
  color: var(--dry-ink);
}
.readout-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 1.3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.total-figure {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.1rem;
}

/* ---- notes ---- */
.note {
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.2rem;
  font-size: 0.92rem;
  line-height: 1.5;
  border: 1px solid var(--line);
}
.note strong {
  font-weight: 600;
}
.note-warn {
  background: var(--danger-soft);
  border-color: var(--danger-line);
  color: var(--danger-ink);
}
.note-info {
  background: var(--dry-soft);
  border-color: var(--dry-line);
  color: var(--dry-ink);
}

/* ---- flashes ---- */
.flashes {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}
.flash {
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  border: 1px solid var(--line);
}
.flash-success {
  background: var(--ok-soft);
  border-color: var(--ok-line);
  color: var(--ok-ink);
}
.flash-error {
  background: var(--danger-soft);
  border-color: var(--danger-line);
  color: var(--danger-ink);
}
.flash-info {
  background: var(--line-soft);
}

/* ---- empty states ---- */
.empty {
  text-align: center;
  padding: 2.6rem 1.5rem;
}
.empty-lead {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 0.3rem;
}
.empty .btn {
  margin-top: 1rem;
}

/* ---- login ---- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.login-card {
  width: 100%;
  max-width: 360px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.login-head {
  text-align: center;
  margin-bottom: 0.4rem;
}
.login-title {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: 1.7rem;
  margin: 0 0 0.2rem;
}

.danger-form {
  margin-top: 2rem;
}

/* ---- responsive ---- */
@media (max-width: 560px) {
  .field-row,
  .serving-grid {
    grid-template-columns: 1fr;
  }
  .page-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .readout-figure {
    font-size: 2.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}