:root {
  --color-background-primary:   #111318;
  --color-background-secondary: #1c1f26;
  --color-background-card:      #1c1f26;
  --color-background-input:     #22262f;
  --color-text-primary:         #e8eaf0;
  --color-text-secondary:       #8b90a0;
  --color-text-tertiary:        #555b6e;
  --color-text-danger:          #e07878;
  --color-text-success:         #5dbf84;
  --color-border-tertiary:      #2a2e3a;
  --color-accent:               #5b8af0;
  --border-radius-lg: 16px;
  --border-radius-md: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-background-primary);
  color: var(--color-text-primary);
}

input, select, button {
  font-family: inherit;
  font-size: 14px;
  padding: 8px 10px;
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-md);
  background: var(--color-background-input);
  color: var(--color-text-primary);
  outline: none;
}

input::placeholder { color: var(--color-text-tertiary); }

select option { background: var(--color-background-secondary); }

button { cursor: pointer; background: var(--color-background-secondary); }

button.primary {
  background: var(--color-accent);
  color: #fff;
  border: none;
  font-weight: 600;
  padding: 11px;
}

button.primary:disabled { opacity: 0.4; cursor: not-allowed; }

button.ghost {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-text-secondary);
  font-size: 13px;
  cursor: pointer;
}

.app-shell {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 480px;
  margin: 0 auto;
  border-left:  0.5px solid var(--color-border-tertiary);
  border-right: 0.5px solid var(--color-border-tertiary);
}

/* ── Top nav ── */
.top-nav {
  display: flex;
  border-bottom: 0.5px solid var(--color-border-tertiary);
  background: var(--color-background-primary);
  flex-shrink: 0;
}

.navbtn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: none;
  border: none;
  padding: 10px 0 8px;
  cursor: pointer;
  color: var(--color-text-tertiary);
  font-size: 11px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.navbtn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.content {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

/* ── Segments ── */
.seg-btn {
  flex: 1;
  text-align: center;
  font-size: 13px;
  padding: 8px 0;
  cursor: pointer;
  border: 0.5px solid var(--color-border-tertiary);
  background: var(--color-background-input);
  color: var(--color-text-secondary);
}

.seg-btn.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* ── Rows ── */
.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 0;
  border-bottom: 0.5px solid var(--color-border-tertiary);
}

.row:last-child { border-bottom: none; }

/* ── Form fields ── */
.field { margin-bottom: 12px; }

.field label {
  display: block;
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.field input,
.field select { width: 100%; }

/* ── Account card ── */
.acct-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: var(--color-background-card);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: background 0.12s;
}

.acct-row:hover { background: #222630; }

/* ── Amounts ── */
.amount-income   { color: var(--color-text-success); }
.amount-expense  { color: var(--color-text-danger); }
.amount-transfer { color: var(--color-text-secondary); }

/* ── Misc ── */
.spinner {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-tertiary);
  font-size: 13px;
}

.section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 10px;
}

.net-worth-card {
  background: var(--color-background-card);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 1.1rem 1.2rem;
  margin-bottom: 1.25rem;
}

.bar-track {
  background: var(--color-border-tertiary);
  border-radius: 4px;
  height: 6px;
}

.bar-fill {
  background: var(--color-accent);
  height: 6px;
  border-radius: 4px;
}

/* ── Modal ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 100;
  justify-content: center;
  align-items: flex-end;
}

.modal-overlay.open { display: flex; }

.modal-sheet {
  background: var(--color-background-secondary);
  border-top: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  padding: 1.5rem;
  width: 100%;
  max-width: 480px;
}

.modal-sheet h3 { margin: 0 0 1.1rem; font-size: 16px; font-weight: 600; }

/* ── Inline error ── */
.inline-error {
  display: none;
  color: var(--color-text-danger);
  font-size: 13px;
  margin-bottom: 8px;
}