* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #eef3ef;
    --card: #ffffff;
    --ink: #17231c;
    --muted: #5a6b60;
    --accent: #1d6b45;
    --accent-dark: #124d31;
    --gold: #b8860b;
    --border: #d3ded6;
    --error: #b3261e;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif;
    background-color: var(--bg);
    color: var(--ink);
    line-height: 1.5;
}

.container {
    max-width: 760px;
    margin: 0 auto;
    padding: 32px 16px 48px;
}

.page-header {
    margin-bottom: 20px;
}

.page-header h1 {
    font-size: 1.8rem;
    color: var(--accent-dark);
}

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

.card {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

fieldset {
    border: none;
    margin-bottom: 16px;
}

legend {
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

label {
    font-size: 0.9rem;
    font-weight: 600;
}

input,
select,
button {
    font: inherit;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: #fff;
    color: var(--ink);
}

button {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

button:hover {
    background-color: var(--accent-dark);
}

.result h2 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

#summary {
    font-weight: 600;
    margin-bottom: 12px;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    text-align: start;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
}

thead th {
    font-size: 0.85rem;
    color: var(--muted);
}

tbody th {
    font-weight: 400;
}

.num {
    text-align: end;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

tfoot .total th,
tfoot .total td {
    font-weight: 700;
    border-top: 2px solid var(--ink);
}

tfoot .zakat th,
tfoot .zakat td {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent-dark);
    background-color: #e3f1e8;
    border-bottom: none;
}

.field-error {
    min-height: 1.2em;
    font-size: 0.85rem;
    color: var(--error);
}

input[aria-invalid="true"] {
    border-color: var(--error);
    background-color: #fdf1f0;
}

.hint {
    font-size: 0.85rem;
    color: var(--muted);
}

:focus-visible {
    outline: 3px solid var(--gold);
    outline-offset: 2px;
}

button[type="submit"] {
    width: 100%;
    padding: 12px;
    font-size: 1.05rem;
}

@media (max-width: 480px) {
    .container {
        padding: 20px 12px 32px;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .card {
        padding: 14px;
    }

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

    th,
    td {
        padding: 8px 6px;
    }

    .num {
        white-space: normal;
    }
}