:root {
    color-scheme: light;
    --canvas: #f5f5f7;
    --tile: #fff;
    --ink: #1d1d1f;
    --blue: #007aff;
    --blue-tile: #0066cc;
    --green: #34c759;
    --text-muted: #4b5563;
    --paper: #f5f1e8;
    --rule: #e5e7eb;
    --tan: #b38b6d;
    --debit: #b42318;
    --credit: #137333;
}

* {
    box-sizing: border-box;
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    background: var(--canvas);
    color: var(--ink);
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

button,
input,
select {
    font: inherit;
}

.app-shell {
    width: min(100% - 2rem, 1024px);
    margin: 0 auto;
    padding: 2rem 0 1.5rem;
}

.topbar,
.section-heading,
.transaction-row,
.transaction-main,
.transaction-end,
.row-actions,
.pagination,
.pagination>div,
.toolbar,
.search-form {
    display: flex;
    align-items: center;
}

.topbar,
.section-heading,
.transaction-row,
.pagination {
    justify-content: space-between;
}

.topbar {
    margin-bottom: 1.5rem;
}

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

h1,
h2 {
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

h1 {
    margin-bottom: 0;
    font-size: clamp(2rem, 5vw, 2.7rem);
}

h2 {
    margin-bottom: 0;
    font-size: 1.35rem;
}

h3 {
    margin-bottom: 0.25rem;
}

.eyebrow {
    margin-bottom: 0.35rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 650;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.card {
    padding: 1.5rem;
    border: 0;
    border-top: 2px solid var(--ink);
    border-radius: 1rem;
    background: var(--tile);
    color: var(--text-muted);
    transition: border-color 200ms ease;
}

.card:hover {
    border-top-color: var(--tan);
}

@media (prefers-reduced-motion: no-preference) {
    .card {
        animation: reveal 500ms ease-out backwards;
    }

    .entry-card,
    .auth-card {
        animation-delay: 60ms;
    }

    .list-card {
        animation-delay: 120ms;
    }
}

@keyframes reveal {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
}

.entry-card {
    margin-bottom: 1.25rem;
}

.section-heading {
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.transaction-form {
    display: grid;
    grid-template-columns: 1.1fr 0.8fr 0.9fr 1.4fr auto;
    align-items: end;
    gap: 0.85rem;
}

label,
.type-field legend {
    color: var(--ink);
    font-size: 0.85rem;
    font-weight: 600;
}

.transaction-form>label {
    display: grid;
    gap: 0.4rem;
}

input:not([type="radio"]),
select {
    width: 100%;
    min-width: 0;
    min-height: 2.8rem;
    padding: 0.6rem 0.7rem;
    border: 1px solid #9ca3af;
    border-radius: 0;
    outline: none;
    background: var(--tile);
    color: var(--ink);
}

input[type="number"] {
    appearance: textfield;
    -moz-appearance: textfield;
    -webkit-appearance: none;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    display: none;
    margin: 0;
    appearance: none;
    -webkit-appearance: none;
}

input::placeholder {
    color: var(--text-muted);
    opacity: 0.8;
}

.type-field {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.type-field legend {
    margin-bottom: 0.4rem;
    padding: 0;
}

.type-options {
    display: flex;
    min-height: 2.8rem;
    align-items: center;
    gap: 0.85rem;
}

.radio-option {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
}

.radio-option input {
    width: 0.9rem;
    height: 0.9rem;
    margin: 0;
    padding: 0;
    border: 1px solid #6b7280;
    border-radius: 50%;
    appearance: none;
    background: var(--tile);
    cursor: pointer;
}

.radio-option input:checked {
    border: 4px solid var(--blue-tile);
}

.radio-option input:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 3px;
}

.radio-option input:checked+span {
    color: var(--ink);
    font-weight: 700;
}

.optional,
.muted,
.transaction-copy p,
.footer-note {
    color: var(--text-muted);
}

.optional {
    font-weight: 400;
}

.button,
.icon-button {
    display: inline-flex;
    min-height: 2.8rem;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1rem;
    border: 1px solid var(--ink);
    border-radius: 0;
    background: var(--ink);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-decoration: none;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 200ms ease, color 200ms ease, transform 200ms ease, box-shadow 200ms ease;
}

.button:hover,
.icon-button:hover {
    background: #1f2937;
}

.button--primary {
    border-color: var(--blue-tile);
    background: var(--blue-tile);
}

.button--primary:hover {
    background: #0055aa;
}

.button--quiet,
.button--outline {
    background: transparent;
    color: var(--ink);
}

.button--quiet:hover,
.button--outline:hover {
    background: var(--ink);
    color: #fff;
}

.list-heading {
    flex-wrap: wrap;
}

.count {
    margin-left: 0.35rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    vertical-align: middle;
}

.search-form {
    gap: 0.5rem;
}

.search-form input {
    width: min(15rem, 42vw);
}

.text-link {
    color: var(--blue-tile);
    font-size: 0.85rem;
    font-weight: 650;
    text-underline-offset: 3px;
}

.text-link:hover {
    color: #0055aa;
}

.toolbar {
    gap: 0.6rem;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
}

.sort-link {
    padding: 0.3rem 0.5rem;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 200ms ease, border-color 200ms ease;
}

.sort-link:hover,
.sort-link.is-active {
    border-bottom-color: var(--ink);
    color: var(--ink);
}

.transaction-list {
    border-top: 1px solid var(--rule);
}

.transaction-row {
    min-height: 5.3rem;
    gap: 1rem;
    padding: 0.85rem 0.2rem;
    border-bottom: 1px solid var(--rule);
}

.transaction-main {
    min-width: 0;
    gap: 0.85rem;
}

.type-mark {
    display: grid;
    width: 2rem;
    height: 2rem;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 0.4rem;
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
}

.type-mark--credit {
    background: var(--credit);
}

.type-mark--debit {
    background: var(--debit);
}

.amount--credit {
    color: var(--credit);
    font-weight: 700;
}

.amount--debit {
    color: var(--debit);
    font-weight: 700;
}

.transaction-copy {
    min-width: 0;
}

.transaction-copy h3 {
    overflow: hidden;
    max-width: 40rem;
    color: var(--ink);
    font-size: 0.96rem;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.transaction-copy p {
    margin-bottom: 0;
    font-size: 0.82rem;
}

.transaction-end {
    flex: 0 0 auto;
    gap: 1rem;
}

.amount-block {
    display: grid;
    justify-items: end;
    gap: 0.1rem;
}

.amount {
    font-size: 1rem;
    font-variant-numeric: tabular-nums;
}

.row-actions {
    gap: 0.4rem;
}

.row-actions form {
    margin: 0;
}

.icon-button {
    width: 2.45rem;
    min-height: 2.45rem;
    padding: 0;
    border-color: var(--rule);
    background: transparent;
    color: var(--ink);
    font-size: 1rem;
}

.icon-button:hover {
    border-color: var(--ink);
    background: var(--ink);
    color: #fff;
}

.pagination {
    margin-top: 1rem;
    gap: 1rem;
}

.pagination>div {
    gap: 0.5rem;
}

.pagination .button {
    min-height: 2.5rem;
    padding: 0.5rem 0.8rem;
    font-size: 0.78rem;
}

.empty-state {
    padding: 3rem 1rem 2.5rem;
    text-align: center;
}

.empty-state h3 {
    margin-top: 0.6rem;
    color: var(--ink);
}

.empty-state p {
    margin-bottom: 0;
}

.empty-mark {
    color: var(--blue-tile);
    font-size: 2rem;
}

.footer-note {
    padding: 1.2rem 0 0;
    font-size: 0.78rem;
    text-align: center;
}

.alert,
.notice {
    margin-bottom: 1rem;
    padding: 0.85rem 1rem;
    border-top: 2px solid var(--ink);
    background: var(--tile);
    color: var(--ink);
}

.alert {
    border-top-color: var(--debit);
}

.notice {
    border-top-color: var(--credit);
}

.auth-wrap {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 1rem;
}

.auth-card {
    width: min(100%, 27rem);
    padding: 2rem;
}

.auth-card>.muted {
    margin: 0.5rem 0 1.5rem;
}

.form-stack {
    display: grid;
    gap: 1rem;
}

.form-stack label {
    display: grid;
    gap: 0.4rem;
}

.form-stack .button {
    width: 100%;
    margin-top: 0.2rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    clip-path: inset(50%);
}

:focus-visible {
    outline: 3px solid var(--blue);
    outline-offset: 3px;
}

a:focus-visible,
.button:focus-visible,
.icon-button:focus-visible {
    outline-color: var(--blue);
}

@media (max-width: 850px) {
    .transaction-form {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .description-field,
    .form-submit {
        grid-column: span 2;
    }
}

@media (max-width: 560px) {
    .app-shell {
        width: min(100% - 1.1rem, 1024px);
        padding-top: 1rem;
    }

    .card {
        padding: 1.1rem;
        border-radius: 0.75rem;
    }

    .transaction-form {
        grid-template-columns: minmax(0, 1fr);
    }

    .description-field,
    .form-submit {
        grid-column: auto;
    }

    .topbar {
        margin-bottom: 1rem;
    }

    .list-heading {
        align-items: flex-start;
    }

    .search-form {
        width: 100%;
    }

    .search-form input {
        width: 100%;
    }

    .search-form .button {
        padding-right: 0.75rem;
        padding-left: 0.75rem;
    }

    .transaction-row {
        align-items: flex-start;
        gap: 0.5rem;
    }

    .transaction-end {
        align-items: flex-end;
        flex-direction: column;
        gap: 0.5rem;
    }

    .amount-block {
        justify-items: end;
    }

    .row-actions {
        gap: 0.3rem;
    }

    .transaction-copy h3 {
        max-width: 45vw;
    }
}

@media (prefers-reduced-motion: reduce) {

    .card,
    .button,
    .icon-button,
    .sort-link {
        transition: none;
    }
}