/* --- 404 Page --- */
.not-found-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #EEF2FF 0%, #F5F3FF 40%, #FFFFFF 100%);
    text-align: center;
    padding: 24px;
}

.not-found-container { max-width: 480px; }
.not-found-logo { margin-bottom: 48px; }

.not-found-code {
    font-size: 8rem;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, #4F46E5, #6366F1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.not-found-page h1 { font-size: 1.5rem; font-weight: 700; color: #1E1B4B; margin: 0 0 12px; }
.not-found-page p { font-size: 1rem; color: #6B7280; line-height: 1.6; margin: 0 0 32px; }