:root {
    --bg: #f4efe6;
    --panel: #fffaf2;
    --ink: #1f1912;
    --muted: #66584a;
    --line: #d6c7b5;
    --accent: #145f4a;
    --accent-strong: #0f4c3b;
    --danger: #8b1e2d;
    --danger-bg: #f9e8eb;
    --success-bg: #e8f5ef;
    --success-ink: #124938;
    --shadow: 0 18px 40px rgba(43, 30, 18, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(20, 95, 74, 0.1), transparent 28%),
        linear-gradient(180deg, #f8f2e8 0%, var(--bg) 100%);
    line-height: 1.5;
}

.shell {
    width: min(100% - 2rem, 960px);
    margin: 0 auto;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -3rem;
    background: var(--ink);
    color: #fff;
    padding: 0.75rem 1rem;
    z-index: 10;
}

.skip-link:focus {
    top: 1rem;
}

.site-header {
    padding: 3rem 0 1.5rem;
}

.eyebrow {
    margin: 0 0 0.5rem;
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.85rem;
}

h1,
h2,
h3 {
    line-height: 1.1;
}

h1 {
    margin: 0 0 0.75rem;
    font-size: clamp(2rem, 4vw, 3.4rem);
}

.lead {
    margin: 0;
    max-width: 48rem;
    color: var(--muted);
    font-size: 1.05rem;
}

main.shell {
    display: grid;
    gap: 1.25rem;
    padding-bottom: 3rem;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 1.25rem;
    box-shadow: var(--shadow);
    padding: 1.25rem;
}

.field + .field,
.actions {
    margin-top: 1rem;
}

.subsection + .subsection {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
}

.subsection h3 {
    margin: 0 0 0.85rem;
}

fieldset.field {
    border: 1px solid var(--line);
    border-radius: 1rem;
    padding: 1rem;
}

fieldset.field legend {
    padding: 0 0.4rem;
    font-weight: 700;
}

.conditional-field {
    margin: 0.65rem 0 1rem 2rem;
}

label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.help {
    margin: 0 0 0.5rem;
    color: var(--muted);
    font-size: 0.95rem;
}

textarea,
input,
select,
button,
.download-link {
    font: inherit;
}

textarea,
input,
select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 0.9rem;
    padding: 0.85rem 0.95rem;
    background: #fff;
    color: var(--ink);
}

textarea {
    resize: vertical;
    min-height: 7rem;
}

.checkbox-field {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.65rem;
    align-items: start;
}

.checkbox-field input {
    width: auto;
    margin-top: 0.2rem;
}

.checkbox-field label {
    margin-bottom: 0;
}

button,
.download-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.9rem;
    border-radius: 999px;
    border: none;
    padding: 0.8rem 1.3rem;
    font-weight: 700;
    text-decoration: none;
}

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

button:hover,
button:focus-visible {
    background: var(--accent-strong);
}

button[disabled] {
    opacity: 0.7;
    cursor: progress;
}

.download-link {
    background: var(--success-bg);
    color: var(--success-ink);
    border: 1px solid rgba(18, 73, 56, 0.2);
}

textarea:focus-visible,
input:focus-visible,
select:focus-visible,
button:focus-visible,
.download-link:focus-visible {
    outline: 3px solid #222;
    outline-offset: 2px;
}

.status {
    margin: 0;
    color: var(--muted);
}

.success {
    margin-bottom: 0.75rem;
    color: var(--success-ink);
    font-weight: 700;
}

.error,
.error-summary {
    color: var(--danger);
}

.error {
    margin: 0.45rem 0 0;
}

.error-summary {
    background: var(--danger-bg);
    border: 1px solid rgba(139, 30, 45, 0.2);
    border-radius: 1rem;
    padding: 1rem;
    margin-top: 1rem;
}

.error-summary h3 {
    margin-top: 0;
}

.error-summary ul {
    margin: 0;
    padding-left: 1.15rem;
}

@media (min-width: 800px) {
    main.shell {
        grid-template-columns: minmax(0, 1.5fr) minmax(18rem, 0.9fr);
        align-items: start;
    }
}