:root {
  --bg0: #d9ebe6;
  --bg1: #f3f6f4;
  --ink: #16352f;
  --muted: #4d6761;
  --brand: #1f4d45;
  --brand-soft: #2f6b60;
  --surface: rgba(255, 255, 255, 0.55);
  --line: rgba(22, 53, 47, 0.12);
  --formula: #2f6b60;
  --breast: #9a4d3c;
  --danger: #8f2f2f;
  --shadow: 0 10px 30px rgba(22, 53, 47, 0.08);
  --radius: 18px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "DM Sans", "PingFang SC", "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #b7ddd4 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #e7d7c8 0%, transparent 50%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 40%, #eef2f0);
  background-attachment: fixed;
}

.page {
  width: min(560px, 100%);
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.top {
  padding: 0.5rem 0 1rem;
  animation: rise 0.5s ease both;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  flex-shrink: 0;
  box-shadow: var(--shadow);
  object-fit: cover;
}

.brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--brand);
  line-height: 1;
}

.tagline {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.composer {
  animation: rise 0.55s ease 0.05s both;
}

.view-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  margin: 1.15rem 0 0.85rem;
  padding: 0.28rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--line);
  animation: rise 0.55s ease 0.08s both;
}

.view-tab {
  appearance: none;
  border: 0;
  border-radius: 999px;
  min-height: 2.4rem;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.view-tab.is-active {
  background: var(--brand);
  color: #fff;
  box-shadow: var(--shadow);
}

.insights {
  animation: rise 0.55s ease 0.1s both;
}

.insight-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin: 0.75rem 0 1rem;
}

@media (min-width: 420px) {
  .insight-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.insight-card {
  padding: 0.85rem 0.9rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
}

.insight-label,
.insight-note {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.insight-value {
  margin: 0.25rem 0 0.2rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--brand);
  line-height: 1.2;
}

.insight-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.chart-block {
  padding: 0.85rem 0.75rem 0.6rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
}

.chart-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  padding: 0 0.2rem;
}

.chart-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.chart-sub {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.chart-wrap {
  width: 100%;
}

.amount-chart {
  display: block;
  width: 100%;
  height: auto;
}

.chart-grid {
  stroke: rgba(22, 53, 47, 0.1);
  stroke-width: 1;
}

.chart-axis,
.chart-label {
  fill: var(--muted);
  font-size: 9px;
  font-family: var(--font-body);
}

.chart-area {
  fill: rgba(47, 107, 96, 0.14);
}

.chart-line {
  fill: none;
  stroke: var(--brand-soft);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chart-stem {
  stroke-width: 3;
  stroke-linecap: round;
}

.chart-stem.formula {
  stroke: var(--formula);
}

.chart-stem.breast {
  stroke: var(--breast);
}

.chart-predict-stem {
  stroke: var(--brand);
  stroke-width: 2.5;
  stroke-dasharray: 5 4;
  stroke-linecap: round;
}

.chart-predict-dot {
  fill: #fff;
  stroke: var(--brand);
  stroke-width: 2.2;
}

.chart-predict-label {
  fill: var(--brand);
  font-size: 10px;
  font-weight: 700;
  font-family: var(--font-body);
}

.chart-dot.formula {
  fill: var(--formula);
}

.chart-dot.breast {
  fill: var(--breast);
}

.milk-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}

.milk-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.7rem 0.5rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.milk-btn.is-active[data-breast="0"] {
  background: var(--formula);
  border-color: transparent;
  color: #fff;
}

.milk-btn.is-active[data-breast="1"] {
  background: var(--breast);
  border-color: transparent;
  color: #fff;
}

.milk-btn:active {
  transform: scale(0.98);
}

.amount-entry {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.35rem 0.1rem 0.1rem;
}

.amount-field {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.85rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}

#amount-input {
  flex: 1;
  min-width: 0;
  appearance: textfield;
  border: 0;
  background: transparent;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 10vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--brand);
  line-height: 1.1;
  padding: 0.45rem 0;
}

#amount-input::-webkit-outer-spin-button,
#amount-input::-webkit-inner-spin-button {
  appearance: none;
  margin: 0;
}

#amount-input::placeholder {
  color: rgba(31, 77, 69, 0.35);
}

.amount-unit {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--muted);
}

.confirm-btn {
  appearance: none;
  border: 0;
  border-radius: 14px;
  min-height: 3.1rem;
  background: var(--brand);
  color: #fff;
  font: inherit;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.12s ease, background 0.2s ease, opacity 0.2s ease;
}

.confirm-btn:active,
.confirm-btn.is-flash {
  transform: scale(0.98);
  background: var(--brand-soft);
}

.confirm-btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.hint {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  min-height: 1.2em;
}

.timeline {
  margin-top: 1.75rem;
  animation: rise 0.6s ease 0.1s both;
}

.section-title {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.section-note {
  margin: 0.35rem 0 0.75rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.feed-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.feed-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  animation: rise 0.35s ease both;
  touch-action: pan-y;
}

.feed-actions {
  position: absolute;
  inset: 0 0 0 auto;
  display: flex;
  width: 148px;
  z-index: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease;
}

.feed-item.is-open .feed-actions,
.feed-item.is-swiping .feed-actions {
  opacity: 1;
  pointer-events: auto;
}

.feed-actions button {
  appearance: none;
  flex: 1;
  border: 0;
  color: #fff;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
}

.feed-actions .btn-edit {
  background: var(--brand-soft);
}

.feed-actions .btn-delete {
  background: var(--danger);
}

.feed-front {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  min-height: 4.2rem;
  padding: 0.85rem;
  background: #f7faf8;
  border: 1px solid var(--line);
  border-radius: 12px;
  transform: translateX(0);
  transition: transform 0.18s ease;
  will-change: transform;
}

.feed-item.is-open .feed-front {
  transform: translateX(-148px);
}

.feed-main {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
  flex: 1;
}

.feed-amount {
  font-weight: 700;
  font-size: 1.15rem;
}

.feed-meta {
  flex-shrink: 0;
  margin-left: auto;
  text-align: right;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  white-space: nowrap;
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: 0.4rem;
}

.feed-meta .feed-date {
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
}

.feed-meta .feed-time {
  color: var(--brand);
  font-size: 1.2rem;
  font-weight: 700;
}

.badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-formula {
  background: rgba(47, 107, 96, 0.12);
  color: var(--formula);
}

.badge-breast {
  background: rgba(154, 77, 60, 0.14);
  color: var(--breast);
}

.empty {
  color: var(--muted);
  margin: 0.5rem 0 0;
}

.edit-dialog {
  border: 0;
  border-radius: var(--radius);
  padding: 0;
  width: min(92vw, 360px);
  box-shadow: var(--shadow);
  background: #f7faf8;
}

.edit-dialog::backdrop {
  background: rgba(22, 53, 47, 0.35);
}

.edit-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.1rem;
}

.edit-form h3 {
  margin: 0;
  font-family: var(--font-display);
}

.edit-form label,
.edit-time-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.edit-field-label {
  font-size: 0.9rem;
  color: var(--muted);
}

.edit-form input,
.edit-form select {
  font: inherit;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  background: #fff;
}

.edit-time-control {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  min-height: 2.6rem;
}

.edit-time-display {
  display: block;
  padding: 0.55rem 0.65rem;
  color: var(--ink);
  font: inherit;
  pointer-events: none;
}

.edit-fed-at-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  margin: 0;
  border: 0;
  padding: 0;
  cursor: pointer;
  background: transparent;
  color-scheme: light;
}

.check-row {
  flex-direction: row !important;
  align-items: center;
  gap: 0.5rem !important;
}

.edit-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.btn-primary,
.btn-secondary {
  appearance: none;
  border-radius: 10px;
  padding: 0.55rem 0.9rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  border: 0;
  background: var(--brand);
  color: #fff;
}

.btn-secondary {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 640px) {
  .page {
    padding-top: 1.5rem;
  }
}