:root {
    --font-sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;

    --bg: #ffffff;
    --text: #111111;
    --link: #006bb7;

    --primary: #1b6ec2;
    --primary-border: #1861ac;

    --focus-ring-inner: #ffffff;
    --focus-ring-outer: #258cfb;

    --valid: #26b050;
    --invalid: #e50000;

    --error-bg: #b32121;
    --error-text: #ffffff;

    --border-muted: #929292;
}

/* Dark theme */
:root[data-theme="dark"] {
    --bg: #0f172a;
    --text: #e5e7eb;
    --link: #60a5fa;

    --primary: #6366f1;
    --primary-border: #4f46e5;

    --focus-ring-inner: #020617;
    --focus-ring-outer: #6366f1;

    --valid: #22c55e;
    --invalid: #ef4444;

    --error-bg: #7f1d1d;
    --error-text: #fee2e2;

    --border-muted: #475569;
}

html, body {
    margin: 0;
    padding: 0;

    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--text);
}

a, .btn-link {
    color: var(--link);
}

.btn-primary {
    color: #fff;
    background-color: var(--primary);
    border-color: var(--primary-border);
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
    box-shadow:
        0 0 0 0.1rem var(--focus-ring-inner),
        0 0 0 0.25rem var(--focus-ring-outer);
}
.app-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-top: 0.25rem;
}
.app-header .nav-link {
    color: var(--link);
    font-weight: 500;
    text-decoration: none;
}

.app-header .nav-link:hover {
    text-decoration: underline;
}
.app-header .nav-link {
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
}

.app-header .nav-link:hover {
    background-color: var(--bg-secondary, rgba(99,102,241,0.1));
}
.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}
.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--valid);
}

.invalid {
    outline: 1px solid var(--invalid);
}

.validation-message {
    color: var(--invalid);
}

.blazor-error-boundary {
    background:
        url(data:image/svg+xml;base64,...) no-repeat 1rem/1.8rem,
        var(--error-bg);

    padding: 1rem 1rem 1rem 3.7rem;
    color: var(--error-text);
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: var(--border-muted);
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}
.hero-card {
    background: linear-gradient(135deg, #312e81, #7c3aed);
    color: #f8fafc;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(49, 46, 129, 0.35);
    margin-bottom: 1.5rem;
}

.hero-kicker {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
    opacity: 0.85;
    margin-bottom: 0.5rem;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.spotlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.spotlight-grid article {
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.22);
    border-radius: 0.75rem;
    padding: 1rem;
}

.manifesto-list li {
    margin-bottom: 0.75rem;
}

.timeline {
    display: grid;
    gap: 0.65rem;
}

.timeline span {
    display: inline-block;
    min-width: 4.3rem;
    font-weight: 700;
    color: #4f46e5;
}