/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Base ── */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #1e293b;
    background: #fff;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Navigation ── */
.nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 960px;
    margin: 0 auto;
    width: 100%;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}
.nav-brand { font-weight: 700; font-size: 1.1rem; color: #5D3A9B; text-decoration: none; }
.nav-spacer { flex: 1; }
.nav a:not(.nav-brand) { color: #5D3A9B; text-decoration: none; font-size: 0.95rem; }

/* ── Centred card wrapper ── */
.page-wrap {
    flex: 1;
    background: linear-gradient(135deg, #f8f3ff 0%, #eeddf7 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
}
.card {
    background: #fff;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 4px 24px rgba(93,58,155,0.08);
}
.card-logo { font-weight: 800; font-size: 1.3rem; color: #5D3A9B; margin-bottom: 0.5rem; }
.card-title { font-size: 1.5rem; font-weight: 700; color: #0f172a; margin-bottom: 0.3rem; }
.card-sub { color: #64748b; font-size: 0.95rem; margin-bottom: 2rem; }

/* ── Form elements ── */
.form-group { margin-bottom: 1.25rem; }
label { display: block; font-weight: 600; margin-bottom: 0.35rem; font-size: 0.95rem; color: #1e293b; }
input[type="email"],
input[type="password"],
input[type="text"] {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    color: #1e293b;
    background: #fff;
    transition: border-color 0.15s;
    box-sizing: border-box;
}
input:focus {
    outline: none;
    border-color: #5D3A9B;
    box-shadow: 0 0 0 3px rgba(93,58,155,0.15);
}

/* ── Error lists ── */
.field-errors { list-style: none; }
.field-errors li { font-size: 0.85rem; color: #b91c1c; margin-top: 0.3rem; }
.non-field-errors {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: 6px;
    padding: 0.6rem 0.85rem;
    margin-bottom: 1.25rem;
    list-style: none;
}
.non-field-errors li { font-size: 0.9rem; color: #b91c1c; }

/* ── Submit button ── */
.btn-primary {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #5D3A9B;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s;
    margin-top: 0.5rem;
}
.btn-primary:hover { background: #4a2e7d; }

/* ── Card footer link ── */
.card-footer-link { text-align: center; margin-top: 1.5rem; font-size: 0.9rem; color: #64748b; }
.card-footer-link a { color: #5D3A9B; text-decoration: none; font-weight: 600; }
.card-footer-link a:hover { text-decoration: underline; }

/* ── Footer ── */
.footer {
    border-top: 1px solid #e2e8f0;
    padding: 1.25rem;
    text-align: center;
    color: #64748b;
    font-size: 0.85rem;
}

/* ── Accessibility: skip link + screen-reader utility ── */
.skip-link {
    position: absolute; left: -9999px; top: 1rem;
    background: #5D3A9B; color: #fff;
    padding: 0.5rem 1rem; border-radius: 4px;
    font-weight: bold; z-index: 9999; text-decoration: none;
}
.skip-link:focus { left: 1rem; }
.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}