:root {
  color-scheme: light;
  --bg: #f5f3ed;
  --surface: #fffdf8;
  --surface-2: #ece8df;
  --text: #15191d;
  --muted: #5e6872;
  --line: #d9d3c8;
  --accent: #0f7b73;
  --accent-2: #b23a48;
  --accent-3: #284b63;
  --paid: #347a48;
  --shadow: 0 14px 34px rgba(35, 28, 20, 0.11);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101418;
  --surface: #181f25;
  --surface-2: #202a31;
  --text: #f5f2ea;
  --muted: #aab5bd;
  --line: #303c45;
  --accent: #43c6b7;
  --accent-2: #ff7f8f;
  --accent-3: #8eb8d2;
  --paid: #70cf89;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100%;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(15, 123, 115, 0.12), transparent 280px),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 16px 32px;
}

.topbar,
.section-heading,
.bill-card,
.hero-panel,
.quick-panel,
.metric {
  border: 1px solid var(--line);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: -1px -16px 18px;
  padding: 12px 16px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-width: 0 0 1px;
  backdrop-filter: blur(14px);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.55rem, 5vw, 2.4rem);
  letter-spacing: 0;
}

h2 {
  font-size: 1.15rem;
}

.eyebrow,
.label,
.metric span,
label span,
.empty-state,
.bill-meta,
.payday-chip small {
  color: var(--muted);
  font-size: 0.82rem;
}

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

.hero-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  min-height: 140px;
  padding: 20px;
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel strong {
  display: block;
  margin-top: 4px;
  font-size: clamp(2rem, 13vw, 4rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.warning {
  display: inline-flex;
  margin-top: 12px;
  padding: 7px 10px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent-2) 16%, transparent);
  color: var(--accent-2);
  font-weight: 800;
  font-size: 0.84rem;
}

.payday-chip {
  display: grid;
  place-items: center;
  width: 104px;
  min-height: 104px;
  padding: 10px;
  border-radius: 8px;
  background: var(--surface-2);
  text-align: center;
}

.payday-chip span {
  font-size: 2.15rem;
  font-weight: 900;
  line-height: 1;
  color: var(--accent-3);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.metric {
  min-height: 88px;
  padding: 14px;
  border-radius: 8px;
  background: var(--surface);
}

.metric strong {
  display: block;
  margin-top: 6px;
  font-size: 1.35rem;
}

.quick-panel {
  margin-top: 12px;
  padding: 14px;
  border-radius: 8px;
  background: var(--surface);
}

.backup-row,
.backup-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.backup-row {
  justify-content: space-between;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

label {
  display: grid;
  gap: 6px;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 11px;
  background: var(--bg);
  color: var(--text);
}

input:focus,
select:focus,
button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent);
  outline-offset: 2px;
}

.progress-wrap {
  height: 10px;
  margin-top: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-2);
}

.savings-transfer {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 10px;
  margin-top: 14px;
}

#savingsBar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-3));
  transition: width 180ms ease;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
  padding: 12px 0 10px;
  border-width: 0 0 1px;
}

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

.history-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.history-card {
  display: grid;
  gap: 4px;
  min-height: 100px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.history-card span {
  color: var(--muted);
  font-size: 0.86rem;
}

.bill-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 86px;
  padding: 14px;
  border-radius: 8px;
  background: var(--surface);
}

.bill-title-row,
.bill-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bill-title-row {
  flex-wrap: wrap;
}

.bill-name {
  font-weight: 900;
}

.bill-amount {
  color: var(--accent-3);
  font-weight: 900;
}

.bill-meta {
  margin-top: 4px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
}

.tag.overdue {
  background: color-mix(in srgb, var(--accent-2) 18%, transparent);
  color: var(--accent-2);
}

.tag.paid {
  background: color-mix(in srgb, var(--paid) 18%, transparent);
  color: var(--paid);
}

.primary-button,
.secondary-button,
.danger-button,
.icon-button,
.paid-button {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  font-weight: 900;
}

.primary-button,
.paid-button {
  padding: 0 14px;
  background: var(--accent);
  color: #ffffff;
}

.secondary-button {
  padding: 0 12px;
  background: var(--surface-2);
  color: var(--text);
}

.danger-button {
  padding: 0 14px;
  background: color-mix(in srgb, var(--accent-2) 18%, transparent);
  color: var(--accent-2);
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 44px;
  padding: 0;
  background: var(--surface-2);
  color: var(--text);
  font-size: 1.3rem;
}

.paid-button.is-paid {
  background: var(--surface-2);
  color: var(--paid);
}

.paid-button:disabled {
  cursor: default;
  background: var(--surface-2);
  color: var(--muted);
  opacity: 0.75;
}

.edit-button {
  min-width: 42px;
}

.empty-state {
  padding: 18px 4px;
  text-align: center;
}

dialog {
  width: min(440px, calc(100vw - 24px));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
}

.bill-form {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.bill-form header,
.bill-form footer,
.form-row,
.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.bill-form header,
.bill-form footer {
  justify-content: space-between;
}

.form-row > label {
  flex: 1;
}

.check-row {
  grid-template-columns: auto 1fr;
  justify-content: start;
}

.check-row input {
  width: 22px;
  min-height: 22px;
}

@media (max-width: 620px) {
  .app-shell {
    padding-inline: 12px;
  }

  .topbar {
    margin-inline: -12px;
    padding-inline: 12px;
  }

  .hero-panel {
    grid-template-columns: 1fr;
  }

  .payday-chip {
    width: 100%;
    min-height: 74px;
    grid-template-columns: auto auto;
    justify-content: center;
    gap: 8px;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .savings-transfer {
    grid-template-columns: 1fr;
  }

  .backup-row {
    align-items: stretch;
    flex-direction: column;
  }

  .backup-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .bill-card {
    grid-template-columns: 1fr;
  }

  .history-list {
    grid-template-columns: 1fr;
  }

  .bill-actions {
    display: grid;
    grid-template-columns: 1fr 44px;
  }

  .paid-button {
    width: 100%;
  }
}