.appearance-card { padding: 16px; }
.theme-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; border-radius: 15px; background: var(--fill); padding: 4px; }
.theme-option { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 9px; min-height: 78px; border: 0; border-radius: 12px; background: none; color: var(--muted); font-size: 12px; }
.theme-option.is-selected { background: var(--elevated); color: var(--accent); box-shadow: 0 1px 4px rgba(0, 0, 0, .1); }
.appearance-note { margin-top: 12px; }
.pay-card { padding: 18px; }
.pay-card-heading { display: flex; align-items: flex-start; gap: 12px; }
.pay-icon { display: grid; place-items: center; background: var(--fill); color: var(--ink); width: 38px; height: 38px; border-radius: 11px; flex-shrink: 0; }
.pay-card-heading strong { font-size: 14px; font-weight: 600; }
.pay-card p, .pay-intro { font-size: 13px; line-height: 1.55; color: var(--muted); margin: 6px 0 0; }
.pay-status { font-size: 11px !important; margin-top: 14px !important; }
.pay-card .primary-button { margin-top: 14px; font-size: 14px; }
.pay-tag { font-size: 10px; border-radius: 20px; background: var(--fill); color: var(--muted); padding: 5px 9px; white-space: nowrap; }
.pay-sheet .modal-heading h2 { font-size: 18px; }
.pay-callout { padding: 14px; background: var(--fill); border-radius: 13px; font-size: 13px; line-height: 1.55; color: var(--muted); margin: 16px 0; }
.pay-steps { padding-left: 22px; font-size: 13px; line-height: 1.55; }
.pay-steps li { padding-left: 4px; margin: 16px 0; }
.pay-steps p { margin: 4px 0; color: var(--muted); }
.pay-copy-row { display: flex; gap: 8px; align-items: center; }
.pay-copy-row .form-input { min-width: 0; font-size: 16px; }
.pay-copy-row button { min-height: 44px; border: 0; background: none; color: var(--accent); padding: 8px 0; font-size: 12px; }
.pay-details { margin-top: 18px; padding: 14px; border: .5px solid var(--line); border-radius: 13px; font-size: 13px; line-height: 1.55; }
.pay-details summary { cursor: pointer; font-weight: 500; }
.pay-details dt { font: 600 12px ui-monospace, monospace; margin-top: 12px; }
.pay-details dd { margin: 3px 0; color: var(--muted); }
.pay-toggle { display: flex; align-items: flex-start; gap: 12px; margin-top: 22px; cursor: pointer; font-size: 14px; }
.pay-toggle input { accent-color: var(--accent); margin-top: 2px; width: 22px; height: 22px; flex-shrink: 0; }
.pay-toggle small { display: block; color: var(--muted); line-height: 1.55; margin-top: 5px; font-size: 12px; }
.pay-receipt { text-align: center; padding: 24px 12px; background: var(--fill); border-radius: 18px; }
.pay-receipt-amount { font-size: 36px; font-weight: 600; letter-spacing: -1px; margin: 18px 0 8px; }
.pay-receipt > strong { font-size: 15px; font-weight: 500; overflow-wrap: anywhere; }
.pay-receipt p { font-size: 12px; color: var(--muted); }
.pay-save-error { font-size: 13px; line-height: 1.5; color: var(--red); }
.calculator-sheet { padding-bottom: calc(18px + var(--safe-bottom)); }
.calculator-display { min-height: 118px; display: flex; flex-direction: column; justify-content: end; align-items: end; padding: 4px 4px 14px; }
.calculator-display [data-calc-operation] { min-height: 20px; color: var(--muted); font-size: 14px; }
.calculator-display output { display: block; max-width: 100%; overflow: hidden; color: var(--ink); font-size: 48px; line-height: 1.1; font-weight: 300; letter-spacing: -2px; overflow-wrap: anywhere; }
.calculator-display output.is-error { color: var(--red); font-size: 34px; }
.calculator-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.calculator-grid button { min-height: 60px; border: 0; border-radius: 50%; background: var(--fill); color: var(--ink); font-size: 23px; font-weight: 400; }
.calculator-grid button:active { transform: scale(.95); }
.calculator-grid .calc-zero { grid-column: span 2; border-radius: 30px; text-align: left; padding-left: 24px; }
.calculator-grid .calc-function { color: var(--ink); font-size: 18px; }
.calculator-grid .calc-operator { background: var(--accent); color: var(--on-accent); font-size: 26px; }
.calculator-grid .calc-operator.is-selected { background: var(--ink); color: var(--paper); }
.calculator-add { margin-top: 18px; }
.calculator-sheet .secondary-button { color: var(--accent); }
@media (max-width: 370px) { .calculator-grid { gap: 7px; } .calculator-grid button { min-height: 54px; } .calculator-display output { font-size: 43px; } }