:root {
  --bg: #f7f2e8;
  --panel: rgba(255, 252, 247, 0.95);
  --panel-strong: #fffdf9;
  --text: #2e241d;
  --muted: #77685d;
  --line: #ddcfbf;
  --accent: #c96f3b;
  --income: #1d8f63;
  --expense: #ba4a3c;
  --shadow: 0 18px 45px rgba(76, 53, 36, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 219, 186, 0.85), transparent 28%),
    radial-gradient(circle at bottom right, rgba(214, 235, 220, 0.75), transparent 24%),
    linear-gradient(180deg, #fcf8f2 0%, var(--bg) 100%);
}

button,
input,
textarea {
  font: inherit;
}

.app-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 14px calc(32px + env(safe-area-inset-bottom));
}

.hero {
  display: grid;
  gap: 16px;
  margin-bottom: 18px;
}

.hero-copy-wrap {
  max-width: 760px;
}

.hero-side {
  display: grid;
  gap: 12px;
}

.eyebrow,
.card-label {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1;
}

.hero-copy {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.6;
}

.hero-total,
.sync-card,
.auth-card {
  width: 100%;
  padding: 18px 20px;
  border-radius: 22px;
  background: linear-gradient(135deg, #fff7ef, #fffdf8);
  box-shadow: var(--shadow);
}

.hero-total span,
.hero-total small,
.sync-card small,
.auth-card small {
  display: block;
  color: var(--muted);
}

.hero-total strong,
.sync-card strong,
.auth-card strong {
  display: block;
  margin: 8px 0 4px;
}

.hero-total strong {
  font-size: clamp(1.8rem, 8vw, 2.4rem);
}

.auth-form,
.auth-state {
  display: grid;
  gap: 10px;
}

.auth-form label {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

.hidden {
  display: none;
}

.dashboard {
  display: grid;
  gap: 16px;
}

.calendar-panel,
.card {
  background: var(--panel);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(221, 207, 191, 0.75);
  box-shadow: var(--shadow);
}

.calendar-panel {
  border-radius: 24px;
  padding: 14px;
}

.calendar-toolbar,
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.calendar-toolbar {
  margin-bottom: 12px;
}

.calendar-toolbar h2,
.card-header h3 {
  margin-bottom: 0;
}

button {
  border: 0;
  border-radius: 999px;
  min-height: 44px;
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.ghost-button {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.calendar-scroll {
  overflow-x: auto;
  padding-bottom: 4px;
}

.calendar-board {
  min-width: 640px;
}

.weekday-row,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.weekday-row {
  margin-bottom: 8px;
}

.weekday-row div {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--muted);
}

.day-cell {
  min-height: 112px;
  padding: 10px;
  border-radius: 18px;
  border: 1px solid rgba(221, 207, 191, 0.8);
  background: var(--panel-strong);
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}

.day-cell.muted {
  opacity: 0.48;
}

.day-cell.selected {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(201, 111, 59, 0.2);
}

.day-cell.today {
  background: linear-gradient(180deg, #fff5ea 0%, #fffdf9 100%);
}

.day-number {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
}

.day-badge {
  font-size: 0.72rem;
  color: var(--accent);
}

.day-metrics {
  margin-top: auto;
  display: grid;
  gap: 4px;
  font-size: 0.8rem;
}

.income {
  color: var(--income);
}

.expense {
  color: var(--expense);
}

.net.positive {
  color: var(--income);
}

.net.negative {
  color: var(--expense);
}

.sidebar {
  display: grid;
  gap: 14px;
}

.card {
  border-radius: 22px;
  padding: 16px;
}

.editor-card {
  position: sticky;
  top: 10px;
}

.entry-form {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.input-row {
  display: grid;
  gap: 12px;
}

.entry-form label {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  min-height: 46px;
  padding: 12px 14px;
  background: #fffdfa;
  color: var(--text);
}

textarea {
  min-height: 92px;
  resize: vertical;
}

.form-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.summary-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.summary-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(221, 207, 191, 0.7);
}

.summary-title {
  display: block;
  margin-bottom: 4px;
}

.summary-subtitle {
  color: var(--muted);
}

.summary-values {
  display: grid;
  justify-items: end;
  gap: 2px;
  font-size: 0.88rem;
}

.empty-state {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  text-align: center;
}

@media (min-width: 720px) {
  .app-shell {
    padding: 28px 20px 40px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }

  .input-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1080px) {
  .dashboard {
    grid-template-columns: minmax(0, 2fr) minmax(340px, 430px);
    gap: 24px;
  }

  .calendar-panel {
    padding: 18px;
  }

  .calendar-board {
    min-width: 100%;
  }

  .weekday-row,
  .calendar-grid {
    gap: 10px;
  }

  .day-cell {
    min-height: 126px;
    padding: 12px;
    border-radius: 22px;
  }
}