:root {
    --auth-primary-dark: #1f3c88;
    --auth-primary: #2b6cb0;
    --auth-text: #1f2937;
    --auth-label: #374151;
    --auth-muted: #6b7280;
    --auth-border: #d1d5db;
    --auth-danger: #dc3545;
    --auth-surface: #ffffff;
    --auth-icon-bg: #e0e7ff;
    --auth-icon-color: #3730a3;
    --auth-radius-sm: 8px;
    --auth-radius-md: 10px;
    --auth-radius-lg: 18px;
}

.auth-page-wrapper {
    min-height: calc(100dvh - 180px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 0;
}

.auth-card {
    width: 100%;
    max-width: 1080px;
    border: none;
    border-radius: var(--auth-radius-lg);
    overflow: hidden;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.10);
    background: var(--auth-surface);
}

.auth-card,
.auth-card * {
    box-sizing: border-box;
}

.auth-left {
    background: linear-gradient(135deg, var(--auth-primary-dark), var(--auth-primary));
    color: #ffffff;
    padding: 3rem 2.5rem;
}

.auth-left h2 {
    font-weight: 700;
    margin-bottom: 1rem;
}

.auth-left p {
    opacity: 0.95;
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.auth-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
}

.auth-feature i,
.auth-feature svg {
    width: 34px;
    height: 34px;
    border-radius: var(--auth-radius-sm);
    background: var(--auth-icon-bg);
    color: var(--auth-icon-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.auth-feature div {
    line-height: 1.4;
    flex: 1;
    color: rgba(255, 255, 255, 0.95);
}

.auth-right {
    padding: 3rem 2.5rem;
    background: var(--auth-surface);
}

.auth-title {
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--auth-text);
}

.auth-subtitle {
    color: var(--auth-muted);
    margin-bottom: 2rem;
}

.auth-form {
    width: 100%;
}

.auth-row {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 1rem;
    align-items: start;
    margin-bottom: 1.2rem;
}

.auth-label-col {
    padding-top: 0.75rem;
}

.auth-label-col label {
    display: block;
    font-weight: 600;
    color: var(--auth-label);
    margin-bottom: 0;
}

.auth-input-col {
    min-width: 0;
}

.auth-input-col input,
.auth-input-col select,
.auth-input-col textarea {
    display: block;
    width: 100%;
    min-height: 46px;
    border-radius: var(--auth-radius-md);
    border: 1px solid var(--auth-border);
    padding: 0.75rem 0.95rem;
    background: var(--auth-surface);
    box-sizing: border-box;
}

.auth-input-col textarea {
    min-height: 110px;
    resize: vertical;
}

.auth-input-col input:focus,
.auth-input-col select:focus,
.auth-input-col textarea:focus {
    border-color: var(--auth-primary);
    box-shadow: 0 0 0 0.2rem rgba(43, 108, 176, 0.12);
    outline: none;
}

.auth-input-col input.is-invalid,
.auth-input-col select.is-invalid,
.auth-input-col textarea.is-invalid {
    border-color: var(--auth-danger);
    box-shadow: 0 0 0 0.15rem rgba(220, 53, 69, 0.10);
}

.auth-input-col .helptext {
    display: block;
    margin-top: 0.45rem;
    font-size: 0.85rem;
    color: var(--auth-muted);
    line-height: 1.45;
}

.auth-input-col ul {
    margin: 0.4rem 0 0 1rem;
    padding: 0;
    color: var(--auth-muted);
    font-size: 0.85rem;
    line-height: 1.45;
}

.auth-error {
    display: block;
    margin-top: 0.35rem;
    color: var(--auth-danger);
    font-size: 0.85rem;
    line-height: 1.4;
}

.auth-actions {
    margin-top: 2rem;
    padding-left: calc(220px + 1rem);
}

.auth-btn {
    min-height: 46px;
    border-radius: var(--auth-radius-md);
    font-weight: 600;
    font-size: 1rem;
    min-width: 180px;
    transition: all 0.18s ease;
}

.auth-btn:hover {
    transform: translateY(-1px);
}

.auth-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(43, 108, 176, 0.18);
}

.auth-footer-link {
    margin-top: 1.5rem;
    padding-left: calc(220px + 1rem);
    color: var(--auth-muted);
}

.auth-footer-link a {
    font-weight: 600;
    text-decoration: none;
    transition: color 0.18s ease;
}

.auth-footer-link a:hover,
.auth-footer-link a:focus {
    color: var(--auth-primary);
    text-decoration: underline;
}

.auth-alert {
    margin-bottom: 1.5rem;
}

.auth-alert ul {
    margin-bottom: 0;
    padding-left: 1.2rem;
}

@media (max-width: 991.98px) {
    .auth-left {
        padding: 2rem 1.5rem;
    }

    .auth-right {
        padding: 2rem 1.5rem;
    }

    .auth-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .auth-label-col {
        padding-top: 0;
    }

    .auth-actions,
    .auth-footer-link {
        padding-left: 0;
    }
}