:root {
    --color-page-bg: #ffffff;
    --color-headline: #812434;
    --color-button-primary: #1d1d1f;
    --color-button-text: #ffffff;
    --color-card-bg: #f5f5f7;
    --color-cream: #f8f7f3;
    --color-text-grey: #515154;
    --color-error: #b00020;
    --color-focus: #80601f;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --base-size: 18px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-page-bg: #111111;
        --color-headline: #e08a9a;
        --color-card-bg: #1c1c1e;
        --color-cream: #2c2c2e;
        --color-text-grey: #f5f5f7;
        --color-button-primary: #ffffff;
        --color-button-text: #000000;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-stack);
    font-size: var(--base-size);
    line-height: 1.5;
    background-color: var(--color-page-bg);
    color: var(--color-text-grey);
    padding-bottom: calc(64px + env(safe-area-inset-bottom)); /* Space for tab bar */
}

h1 {
    font-size: 2rem;
    color: var(--color-headline);
    margin-top: 0;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.25rem;
    color: var(--color-headline);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

p { margin-top: 0; }

a { color: var(--color-headline); text-decoration: underline; }

button, .btn {
    font-family: inherit;
    font-size: inherit;
    background-color: var(--color-button-primary);
    color: var(--color-button-text);
    border: 2px solid transparent;
    border-radius: 999px; /* Pill shape */
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    width: 100%;
    max-width: 560px;
    margin: 8px auto;
    text-align: center;
}

button:focus-visible, a:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-button-primary);
    color: var(--color-button-primary);
}

.card {
    background-color: var(--color-card-bg);
    border-radius: 24px;
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

input[type="text"], input[type="date"], input[type="tel"], input[type="email"], textarea, select {
    width: 100%;
    height: 48px;
    font-size: inherit;
    padding: 0 16px;
    border: 1px solid #ccc;
    border-radius: 12px;
    background-color: var(--color-card-bg);
    color: var(--color-text-grey);
    margin-bottom: 8px;
    box-sizing: border-box;
}

input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--color-focus);
    outline-offset: -2px;
    border-color: var(--color-focus);
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-headline);
}

.radio-option {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    cursor: pointer;
    border: 2px solid transparent;
}

.radio-option input { margin-right: 12px; }

.radio-option.selected {
    border-color: var(--color-headline);
    background-color: var(--color-cream);
}

.error-msg {
    color: var(--color-error);
    font-size: 0.9em;
    margin-top: 4px;
    display: block;
}

.tab-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-card-bg);
    border-top: 1px solid rgba(0,0,0,0.1);
    display: flex;
    padding-bottom: env(safe-area-inset-bottom);
    z-index: 100;
}

.tab-link {
    flex: 1;
    height: 56px;
    border-radius: 0;
    margin: 0;
    background: none;
    color: var(--color-text-grey);
    font-weight: 500;
    border-bottom: 3px solid transparent;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tab-link[aria-current="page"] {
    color: var(--color-headline);
    border-bottom-color: var(--color-headline);
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-headline);
    color: white;
    padding: 8px;
    z-index: 200;
}

.skip-link:focus {
    top: 0;
}

/* Helper for small text */
.small-text { font-size: 0.9em; opacity: 0.8; }

/* Checkbox styling */
.checkbox-group { margin-top: 16px; }
.checkbox-item { display: flex; align-items: center; gap: 8px; cursor: pointer; }

/* Fieldset & Legend */
fieldset {
    border: none;
    padding: 0;
    margin: 0;
}
legend {
    font-weight: 600;
    color: var(--color-headline);
    margin-bottom: 8px;
    display: block;
}

/* Hidden attribute */
[hidden] { display: none !important; }

/* Link Button (looks like text link but is a button) */
.link-button {
    background: none;
    border: none;
    color: var(--color-headline);
    text-decoration: underline;
    font-size: inherit;
    padding: 0;
    height: auto;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

/* Field Error */
.field-error {
    color: var(--color-error);
    font-size: 0.9em;
    margin-top: 4px;
    display: block;
    min-height: 1.2em; /* Reserve space */
}

@media (prefers-color-scheme: dark) {
    .field-error { color: #ff8a8a; }
}

/* Claude 2026-11-04: side padding, no underline on button links, spacing */
#screen { padding: 20px 20px calc(96px + env(safe-area-inset-bottom)); max-width: 600px; margin: 0 auto; box-sizing: border-box; }
a.btn, a.btn:hover { text-decoration: none; }
.eyebrow { font-size: 0.8rem; letter-spacing: 0.08em; margin: 8px 0 4px; color: #515154; }
.back-link { display: inline-block; margin-bottom: 8px; }
.note { font-size: 0.9rem; color: #515154; }
.cream-box { background: #f8f7f3; border-radius: 24px; padding: 16px 20px; margin: 16px 0; }
.field { margin-bottom: 16px; }
.field-error:empty { display: none; }