.modern-main.no-sidebar {
    padding: 0;
}

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    border-radius: 1rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.auth-header {
    padding: 2.5rem 2rem 1.5rem;
    text-align: center;
}

.auth-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    border-radius: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.75rem;
}

.auth-header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
}

.auth-header p {
    margin: 0.35rem 0 0;
    color: #6b7280;
    font-size: 0.95rem;
}

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

.auth-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    margin-bottom: 1.25rem;
    border-radius: 0.75rem;
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: #991b1b;
    font-size: 0.9rem;
}

.auth-alert i {
    margin-top: 0.1rem;
}

.auth-form {
    display: grid;
    gap: 1.1rem;
}

.auth-field {
    display: grid;
    gap: 0.4rem;
}

.auth-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #374151;
}

.auth-input {
    width: 100%;
    min-height: 3rem;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.75rem;
    background: #f9fafb;
    color: #1f2937;
    font-size: 0.95rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.auth-input:focus {
    outline: none;
    border-color: #667eea;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.12);
}

.auth-code-input {
    text-align: center;
    font-size: 1.6rem;
    letter-spacing: 0.4rem;
    font-weight: 700;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, Liberation Mono, Courier New, monospace;
}

.auth-validation {
    font-size: 0.8rem;
}

.auth-actions {
    display: grid;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.auth-submit-btn,
.auth-secondary-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 3rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.auth-submit-btn {
    width: 100%;
    border: none;
    color: #ffffff;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.25);
}

.auth-secondary-link {
    width: 100%;
    border: 1px solid #d1d5db;
    color: #374151;
    background: #ffffff;
}

.auth-secondary-link:hover {
    border-color: #667eea;
    color: #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.08);
}

.auth-help-card {
    margin-bottom: 1.25rem;
    padding: 0.85rem 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    background: #f9fafb;
    color: #6b7280;
    font-size: 0.9rem;
    line-height: 1.5;
}

.auth-help-card strong {
    display: block;
    color: #374151;
    margin-bottom: 0.25rem;
}

.auth-footer {
    padding: 1rem 2rem 2rem;
    text-align: center;
    border-top: 1px solid #e5e7eb;
    color: #9ca3af;
    font-size: 0.85rem;
}

.auth-footer i {
    color: #667eea;
}

@media (max-width: 480px) {
    .auth-page {
        padding: 1rem;
    }

    .auth-header {
        padding: 2rem 1.5rem 1rem;
    }

    .auth-body {
        padding: 1.25rem 1.5rem 1.5rem;
    }

    .auth-footer {
        padding: 0.85rem 1.5rem 1.5rem;
    }

    .auth-code-input {
        font-size: 1.35rem;
        letter-spacing: 0.3rem;
    }
}