.portal-login-page {
    min-height: 100vh;
    margin: 0;
    background:
        radial-gradient(circle at top left, rgba(37, 140, 251, 0.18), transparent 28%),
        linear-gradient(135deg, #0f172a 0%, #1e293b 45%, #111827 100%);
}

.portal-login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.portal-login-panel {
    width: min(100%, 430px);
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 22px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.32);
    padding: 2rem;
}

.portal-login-brand {
    margin-bottom: 1.5rem;
}

.portal-login-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #1d4ed8;
    background: #dbeafe;
    border-radius: 999px;
    padding: 0.45rem 0.75rem;
    margin-bottom: 1rem;
}

.portal-login-title {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
    color: #0f172a;
}

.portal-login-subtitle {
    margin: 0.75rem 0 0;
    color: #475569;
    line-height: 1.55;
}

.portal-login-alert {
    border-radius: 14px;
}

.portal-login-form {
    margin-top: 1.5rem;
}

.portal-login-label {
    font-weight: 600;
    color: #334155;
}

.portal-login-input {
    min-height: 48px;
    border-radius: 14px;
    border-color: #cbd5e1;
    background: #f8fafc;
}

.portal-login-input:focus {
    background: #ffffff;
}

.portal-login-button {
    width: 100%;
    min-height: 48px;
    border-radius: 14px;
    font-weight: 700;
    margin-top: 0.25rem;
}

.portal-human-check {
    border: 1px solid #dbeafe;
    background: #f8fbff;
    border-radius: 16px;
    padding: 1rem;
}

.portal-human-check-title {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #1d4ed8;
    margin-bottom: 0.35rem;
}

.portal-human-check-canvas {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #ffffff;
    border: 1px dashed #93c5fd;
    border-radius: 14px;
    padding: 0.75rem;
    margin-bottom: 0.85rem;
}

.portal-human-check-image {
    display: block;
    width: 100%;
    max-width: 220px;
    height: auto;
    user-select: none;
    -webkit-user-drag: none;
}