:root {
  --bg: #f4efe6;
  --surface: rgba(255, 251, 245, 0.88);
  --surface-quiet: rgba(255, 255, 255, 0.62);
  --text: #231b15;
  --muted: #6a5d53;
  --line: rgba(68, 48, 34, 0.12);
  --shadow: 0 18px 40px rgba(72, 52, 38, 0.1);
  --primary: #1f7a5c;
  --primary-strong: #175c45;
  --accent: #c6842d;
  --warning: #b14b2e;
  --warning-soft: rgba(177, 75, 46, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --max-width: 560px;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  background: linear-gradient(180deg, #f7f1e8 0%, #efe5d7 100%);
  color: var(--text);
}

button,
input {
  font: inherit;
  cursor: pointer;
}

input {
  cursor: text;
}

.app-shell {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 24px 16px 64px;
  display: grid;
  gap: 14px;
}

/* Topbar */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  font-weight: 600;
}

.btn-ghost {
  padding: 0 16px;
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 250, 242, 0.82);
  box-shadow: inset 0 0 0 1px rgba(77, 60, 43, 0.08);
  font-weight: 600;
  color: var(--text);
}

/* Date nav */

.date-nav {
  display: grid;
  grid-template-columns: 48px 1fr 48px;
  gap: 10px;
  align-items: center;
  background: var(--surface);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 16px;
}

.date-block {
  text-align: center;
}

.date-label {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
  font-weight: 600;
}

.date-sub {
  margin: 3px 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.btn-nav {
  min-height: 46px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 250, 242, 0.82);
  box-shadow: inset 0 0 0 1px rgba(77, 60, 43, 0.08);
  font-size: 1.1rem;
  color: var(--text);
}

/* Summary cards */

.summary-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.summary-card {
  background: var(--surface-quiet);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px;
}

.summary-card.accent {
  background: linear-gradient(180deg, rgba(31, 122, 92, 0.1), rgba(255, 255, 255, 0.55));
}

.summary-card.over-limit {
  border-color: rgba(177, 75, 46, 0.35);
  background: var(--warning-soft);
}

.summary-title {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.82rem;
}

.summary-value {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
}

.summary-note {
  margin: 2px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.summary-note.over {
  color: var(--warning);
}

/* Tabs */

.tabs-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.tab {
  min-height: 46px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 250, 242, 0.82);
  box-shadow: inset 0 0 0 1px rgba(77, 60, 43, 0.08);
  font-weight: 700;
  color: var(--text);
}

.tab.active {
  background: linear-gradient(180deg, var(--primary), var(--primary-strong));
  color: #fff;
}

/* Views */

.view {
  display: grid;
  gap: 12px;
}

.view.hidden {
  display: none;
}

/* Entry input */

.entry-shell {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: start;
}

.autocomplete-shell {
  position: relative;
}

.entry-input {
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(89, 70, 54, 0.16);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  font-size: 1rem;
}

.entry-input:focus {
  outline: 2px solid rgba(31, 122, 92, 0.2);
  border-color: rgba(31, 122, 92, 0.44);
}

.suggestions {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 3;
  display: grid;
  gap: 4px;
  padding: 8px;
  border-radius: var(--radius-md);
  background: #fffaf2;
  border: 1px solid var(--line);
  box-shadow: 0 16px 28px rgba(34, 24, 18, 0.12);
}

.suggestion-btn {
  text-align: left;
  border: 0;
  border-radius: 10px;
  background: transparent;
  padding: 10px 12px;
  color: var(--text);
}

.suggestion-btn:hover,
.suggestion-btn:focus {
  background: rgba(31, 122, 92, 0.08);
}

/* Entry list */

.entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.entry-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 2px 8px rgba(72, 52, 38, 0.05);
}

.entry-name {
  flex: 1;
  font-weight: 600;
}

.entry-cal {
  color: var(--muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.btn-delete {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-delete:hover,
.btn-delete:active {
  background: var(--warning-soft);
  color: var(--warning);
}

.entry-qty-group {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 0 0 auto;
}

.btn-qty {
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  font-size: 1rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.btn-qty:hover,
.btn-qty:active {
  background: rgba(31, 122, 92, 0.1);
  border-color: rgba(31, 122, 92, 0.3);
  color: var(--primary);
}

.entry-qty {
  min-width: 18px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
}

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 20px;
  margin: 0;
}

/* Panels */

.panel {
  background: var(--surface);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 18px;
  display: grid;
  gap: 12px;
}

.panel-title {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.1rem;
  font-weight: 600;
}

/* Buttons */

.btn-primary {
  min-height: 52px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--primary), var(--primary-strong));
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
}

.btn-secondary {
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  font-weight: 600;
}

/* Forms */

.settings-form,
.weight-form {
  display: grid;
  gap: 10px;
}

.form-row {
  display: flex;
  gap: 10px;
}

label[for="weightInput"] {
  font-size: 0.88rem;
  color: var(--muted);
}

input[type="number"],
input[type="text"] {
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(89, 70, 54, 0.16);
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
}

input[type="number"]:focus,
input[type="text"]:focus {
  outline: 2px solid rgba(31, 122, 92, 0.18);
  border-color: rgba(31, 122, 92, 0.44);
}

/* Backup */

.backup-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.file-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.helper-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

/* Chart */

.chart {
  width: 100%;
  height: auto;
  overflow: visible;
}

.chart-line {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chart-grid-line {
  stroke: rgba(68, 48, 34, 0.12);
  stroke-width: 1;
}

.chart-axis-text {
  fill: var(--muted);
  font-size: 11px;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

.chart-footer {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.hidden {
  display: none;
}