/* Shared presentation primitives for public/authentication pages. */
:root {
    --nh-primary: #2563eb;
    --nh-primary-dark: #1d4ed8;
    --nh-bg: #f5f7fb;
    --nh-card: #fff;
    --nh-border: #e2e8f0;
    --nh-text: #1f2937;
    --nh-muted: #64748b;
    --nh-success: #16a34a;
    --nh-danger: #dc2626;
    --nh-shadow-sm: 0 4px 16px rgba(15,23,42,.08);
    --nh-shadow-md: 0 14px 36px rgba(15,23,42,.14);
}

.public-page,
.public-page * { box-sizing: border-box; }

.public-page {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--nh-text);
}

.public-page button,
.public-page input,
.public-page select,
.public-page textarea { font: inherit; }

.public-page .loading {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.public-page .nh-public-card {
    background: var(--nh-card);
    border: 1px solid var(--nh-border);
    border-radius: 16px;
    box-shadow: var(--nh-shadow-sm);
}

.public-page .nh-public-control {
    width: 100%;
    min-height: 48px;
    padding: 0 14px;
    border: 2px solid var(--nh-border);
    border-radius: 12px;
    background: #fff;
    color: var(--nh-text);
}

.public-page .nh-public-control:focus {
    outline: none;
    border-color: var(--nh-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.10);
}

.public-page .nh-public-btn {
    min-height: 44px;
    border: 0;
    border-radius: 10px;
    padding: 0 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    cursor: pointer;
}

.public-page .nh-public-btn-primary { background: var(--nh-primary); color: #fff; }
.public-page .nh-public-btn-secondary { background: #fff; color: var(--nh-text); border: 2px solid var(--nh-border); }
.public-page .nh-public-btn-success { background: var(--nh-success); color: #fff; }
.public-page .nh-public-btn-danger { background: var(--nh-danger); color: #fff; }

@media (max-width: 768px) {
    .public-page .nh-public-btn { width: 100%; }
}