/* 포트폴리오 스타일 */
.portfolio-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 2rem 3rem;
}

.portfolio-container h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    color: var(--accent-cyan);
    margin-bottom: 2rem;
    text-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

[data-theme="light"] .portfolio-container h1 {
    text-shadow: none;
}

.portfolio-guide {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 4rem;
}

.project-placeholder {
    padding: 2rem;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    background: var(--glass-bg);
    width: 100%;
    max-width: 400px;
}

.project-placeholder p {
    color: var(--text-secondary);
}

.loading-bar {
    height: 4px;
    width: 100%;
    background: linear-gradient(90deg, transparent, var(--accent-purple), transparent);
    background-size: 200% 100%;
    animation: loading 2s infinite linear;
    margin-bottom: 1rem;
}

@keyframes loading {
    0% {
        background-position: 100% 0;
    }

    100% {
        background-position: -100% 0;
    }
}