.auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(420px, 1.1fr) minmax(420px, 1fr);
    background: var(--erp-bg-main);
}

.auth-hero {
    position: relative;
    overflow: hidden;
    color: var(--erp-sidebar-text);
    background:
        radial-gradient(circle at 16% 8%, color-mix(in srgb, var(--erp-primary) 24%, transparent), transparent 26%),
        linear-gradient(180deg, var(--erp-sidebar-gradient-start) 0%, var(--erp-sidebar-gradient-mid) 46%, var(--erp-sidebar-gradient-end) 100%);
    border-right: 1px solid var(--erp-sidebar-border);
}

.auth-hero-media {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--erp-sidebar-bg) 84%, transparent), color-mix(in srgb, var(--erp-sidebar-bg) 78%, transparent)),
        url('/auth-hero.svg') center/cover no-repeat;
    opacity: 0.56;
}

.auth-hero::after {
    content: '';
    position: absolute;
    inset: auto -20% -24% 20%;
    height: 280px;
    background: radial-gradient(circle, rgba(var(--erp-primary-rgb), 0.36), transparent 68%);
    pointer-events: none;
}

.auth-hero-content {
    position: relative;
    z-index: 1;
    height: 100%;
    padding: 42px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 24px;
}

.auth-brand-lockup {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.auth-brand-logo {
    width: min(260px, 72vw);
    height: auto;
    max-height: 140px;
    object-fit: contain;
    filter: drop-shadow(0 14px 22px rgba(0, 0, 0, 0.28));
}

.auth-hero .text-light-emphasis {
    color: var(--erp-sidebar-muted) !important;
}

.auth-headline {
    max-width: 560px;
}

.auth-headline h2 {
    font-size: clamp(2rem, 3vw, 3rem);
    font-weight: 900;
    color: var(--erp-sidebar-text);
    line-height: 1.08;
}

.auth-headline p {
    color: var(--erp-sidebar-muted);
    margin-bottom: 0;
}

.auth-trust-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.auth-trust-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    color: var(--erp-sidebar-text);
}

.auth-trust-list .bi {
    color: var(--erp-primary);
    font-size: 1.05rem;
}

.auth-kpis {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.auth-kpi-card {
    border: 1px solid var(--erp-sidebar-border);
    border-radius: var(--erp-radius-md);
    background: var(--erp-sidebar-search-bg);
    backdrop-filter: blur(4px);
    padding: 12px;
}

.auth-kpi-card small {
    color: var(--erp-sidebar-muted);
    display: block;
    margin-bottom: 4px;
}

.auth-kpi-card strong {
    color: var(--erp-sidebar-text);
    font-size: 1.1rem;
}

.auth-form-pane {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    background:
        radial-gradient(circle at 82% 12%, color-mix(in srgb, var(--erp-primary) 18%, transparent) 0%, transparent 30%),
        radial-gradient(circle at 18% 88%, color-mix(in srgb, var(--erp-primary) 10%, transparent) 0%, transparent 28%),
        linear-gradient(160deg, var(--erp-surface-soft) 0%, var(--erp-surface) 58%, var(--erp-bg-main) 100%);
}

.auth-form-card {
    width: 100%;
    max-width: 500px;
    background: var(--erp-surface);
    border: 1px solid var(--erp-border-strong);
    border-radius: 18px;
    box-shadow: var(--erp-shadow-md);
}

.auth-form-card .card-body {
    padding: 30px;
}

.auth-card-top {
    border-bottom: 1px solid var(--erp-border-strong);
    margin: -30px -30px 20px;
    padding: 18px 30px;
    background: linear-gradient(135deg, var(--erp-surface-soft) 0%, var(--erp-surface-muted) 100%);
    border-radius: 18px 18px 0 0;
}

.auth-card-top .fw-semibold {
    color: var(--erp-text);
    font-weight: 800 !important;
}

.auth-form-title {
    color: var(--erp-text);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.auth-form-subtitle {
    max-width: 32rem;
}

.auth-status-badge,
.auth-security-note {
    background: var(--erp-primary);
    color: var(--erp-primary-contrast);
    border: 1px solid var(--erp-primary);
    font-weight: 700;
}

.auth-security-note {
    border-radius: var(--erp-radius-sm);
    background: var(--erp-surface-soft);
    color: var(--erp-text);
    border-color: var(--erp-border-strong);
}

.auth-security-note .bi {
    color: var(--erp-primary);
}

.auth-form-card a {
    color: var(--erp-primary-600);
}

.auth-form-card a:hover,
.auth-form-card a:focus {
    color: var(--erp-primary-700);
}

.auth-form-card .btn-primary {
    --bs-btn-color: var(--erp-primary-contrast);
    --bs-btn-bg: var(--erp-primary);
    --bs-btn-border-color: var(--erp-primary);
    --bs-btn-hover-color: var(--erp-primary-600-contrast);
    --bs-btn-hover-bg: var(--erp-primary-600);
    --bs-btn-hover-border-color: var(--erp-primary-600);
    --bs-btn-focus-shadow-rgb: var(--erp-focus-rgb);
    --bs-btn-active-color: var(--erp-primary-700-contrast);
    --bs-btn-active-bg: var(--erp-primary-700);
    --bs-btn-active-border-color: var(--erp-primary-700);
    background-color: var(--erp-primary);
    border-color: var(--erp-primary);
    box-shadow: 0 12px 24px rgba(var(--erp-primary-rgb), 0.24);
}

.auth-form-card .btn-primary:hover,
.auth-form-card .btn-primary:focus {
    background-color: var(--erp-primary-600);
    border-color: var(--erp-primary-600);
    box-shadow: 0 14px 28px rgba(var(--erp-primary-rgb), 0.24);
}

.auth-form-card .btn-primary:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--erp-primary) 28%, transparent);
    outline-offset: 2px;
}

.auth-form-card .input-group-text {
    color: var(--erp-table-header-text);
    background: var(--erp-surface-soft);
    border-color: var(--erp-input-border);
}

.auth-form-card .form-control {
    background: var(--erp-input-bg);
    border-color: var(--erp-input-border);
    color: var(--erp-text);
}

.auth-form-card .form-control::placeholder {
    color: var(--erp-muted);
    opacity: .68;
}

.auth-form-card .input-group:focus-within .input-group-text {
    border-color: var(--erp-primary);
    background: var(--erp-control-hover);
}

.auth-form-card .form-control:focus {
    border-color: var(--erp-primary);
    box-shadow: var(--erp-focus-shadow);
}

.auth-form-card .form-control.is-invalid,
.auth-form-card .form-control.is-invalid:focus,
.auth-form-card .input-group:has(.form-control.is-invalid) .input-group-text {
    border-color: var(--erp-danger);
}

.auth-form-card .invalid-feedback {
    color: var(--erp-danger);
    font-weight: 600;
}

.auth-form-card .form-check-input:checked {
    background-color: var(--erp-primary);
    border-color: var(--erp-primary);
}

.auth-form-card .form-check-input:focus {
    border-color: var(--erp-primary);
    box-shadow: var(--erp-focus-shadow-sm);
}

.auth-form-card .alert-success {
    color: var(--erp-success);
    background: color-mix(in srgb, var(--erp-success) 12%, var(--erp-surface));
    border-color: color-mix(in srgb, var(--erp-success) 38%, var(--erp-border));
}

.auth-form-card .alert-info {
    color: var(--erp-primary-600);
    background: color-mix(in srgb, var(--erp-primary) 12%, var(--erp-surface));
    border-color: color-mix(in srgb, var(--erp-primary) 38%, var(--erp-border)) !important;
}

.auth-form-card .alert-warning {
    color: var(--erp-warning);
    background: color-mix(in srgb, var(--erp-warning) 12%, var(--erp-surface));
    border-color: color-mix(in srgb, var(--erp-warning) 38%, var(--erp-border)) !important;
}

.auth-form-card .border-top {
    border-top-color: var(--erp-border) !important;
}

.auth-form-card .text-muted,
.auth-form-card .form-text,
.auth-form-card .form-check-label {
    color: var(--erp-muted) !important;
}

.auth-meta {
    color: var(--erp-muted);
    font-size: .82rem;
}

@media (max-width: 1199.98px) {
    .auth-shell {
        grid-template-columns: minmax(0, 1fr);
    }

    .auth-hero {
        min-height: 360px;
        border-right: 0;
        border-bottom: 1px solid var(--erp-sidebar-border);
    }
}

@media (max-width: 767.98px) {
    .auth-hero {
        min-height: auto;
    }

    .auth-hero-content {
        padding: 22px;
        gap: 0;
    }

    .auth-headline,
    .auth-kpis {
        display: none;
    }

    .auth-brand-lockup {
        margin-bottom: 0 !important;
    }

    .auth-brand-logo {
        width: min(220px, 68vw);
        max-height: 96px;
    }

    .auth-kpis {
        grid-template-columns: 1fr;
    }

    .auth-form-pane {
        padding: 16px;
    }

    .auth-form-card .card-body {
        padding: 22px;
    }

    .auth-card-top {
        margin: -22px -22px 18px;
        padding: 14px 22px;
    }
}