:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --error-bg: #fef2f2;
    --error-text: #b91c1c;
    --error-border: #fecaca;
    --success-bg: #f0fdf4;
    --success-text: #15803d;
    --success-border: #bbf7d0;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 24px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.1);
    --radius: 12px;
    --transition: 0.2s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body.archive-auth-page {
    font-family: 'Roboto', system-ui, -apple-system, sans-serif;
    margin: 0;
    min-height: 100vh;
    color: var(--text-primary);
    background: var(--background-color);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(37, 99, 235, 0.12), transparent),
        linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
    -webkit-font-smoothing: antialiased;
}

.archive-auth-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.archive-auth-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
    color: var(--text-primary);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
}

.archive-auth-brand img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.archive-auth-home {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-background);
    transition: color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.archive-auth-home:hover {
    color: var(--primary-color);
    border-color: #bfdbfe;
    box-shadow: var(--shadow-sm);
}

.archive-auth-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 1.5rem 3rem;
}

@media (min-width: 960px) {
    .archive-auth-main {
        grid-template-columns: minmax(0, 420px) 1fr;
        gap: 3rem;
        padding: 2rem 1.5rem 4rem;
    }
}

.archive-auth-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 2rem;
}

.archive-auth-card-header {
    margin-bottom: 1.75rem;
}

.archive-auth-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--primary-color);
    background: #eff6ff;
    border-radius: 999px;
}

.archive-auth-card h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    line-height: 1.3;
    color: var(--text-primary);
}

.archive-auth-lead {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.archive-auth-form .form-group {
    margin-bottom: 1.25rem;
}

.archive-auth-form label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.archive-auth-form input[type="email"],
.archive-auth-form input[type="password"],
.archive-auth-form input[type="text"] {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.archive-auth-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.archive-auth-form .password-hint {
    margin: 0.375rem 0 0;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.archive-auth-submit {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    color: #fff;
    background: var(--primary-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    transition: background-color var(--transition), transform 0.1s ease;
}

.archive-auth-submit:hover:not(:disabled) {
    background: var(--primary-hover);
}

.archive-auth-submit:active:not(:disabled) {
    transform: scale(0.99);
}

.archive-auth-submit:disabled {
    background: #94a3b8;
    cursor: not-allowed;
}

.archive-auth-alert {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    line-height: 1.45;
    border-radius: 8px;
    text-align: center;
}

.archive-auth-alert.error {
    color: var(--error-text);
    background: var(--error-bg);
    border: 1px solid var(--error-border);
}

.archive-auth-alert.success {
    color: var(--success-text);
    background: var(--success-bg);
    border: 1px solid var(--success-border);
}

.archive-auth-footer {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.archive-auth-footer p {
    margin: 0 0 0.5rem;
}

.archive-auth-footer p:last-child {
    margin-bottom: 0;
}

.archive-auth-footer a {
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
}

.archive-auth-footer a:hover {
    text-decoration: underline;
}

.archive-auth-aside {
    display: none;
}

@media (min-width: 960px) {
    .archive-auth-aside {
        display: block;
    }
}

.archive-auth-preview {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.archive-auth-preview img {
    display: block;
    width: 100%;
    height: auto;
    vertical-align: middle;
}

.archive-auth-preview-caption {
    padding: 1.25rem 1.5rem;
    text-align: center;
}

.archive-auth-preview-caption h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    color: var(--text-primary);
}

.archive-auth-preview-caption p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.archive-auth-features {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
}

.archive-auth-features h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 1.25rem;
    color: var(--text-primary);
}

.archive-auth-feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.archive-auth-feature-list li {
    display: flex;
    gap: 0.875rem;
    align-items: flex-start;
}

.archive-auth-feature-icon {
    flex-shrink: 0;
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #eff6ff;
    color: var(--primary-color);
    border-radius: 8px;
    font-size: 0.95rem;
}

.archive-auth-feature-list strong {
    display: block;
    font-size: 0.9375rem;
    margin-bottom: 0.15rem;
    color: var(--text-primary);
}

.archive-auth-feature-list span {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.45;
}

.archive-auth-mobile-preview {
    display: block;
    grid-column: 1 / -1;
}

@media (min-width: 960px) {
    .archive-auth-mobile-preview {
        display: none;
    }
}

.loading-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: archive-auth-spin 0.7s linear infinite;
    position: absolute;
    right: 1rem;
    top: 50%;
    margin-top: -9px;
}

@keyframes archive-auth-spin {
    to { transform: rotate(360deg); }
}

.captcha-status {
    display: none;
    margin-top: 0.75rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-align: center;
}