/* 초기 로딩 화면 */
.initial-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: rgba(255, 255, 255, 0.8);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.3s ease-out, visibility 0.3s ease-out;
}

.initial-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* SvelteKit이 초기화되면 로딩 화면 숨기기 */
body.sveltekit-ready .initial-loading {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

/* 공통 로딩 컨테이너 */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: #666;
}

/* 공통 로딩 스피너 */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #1976d2;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

/* 로딩 상태 (간단한 버전) */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    color: #666;
}

.loading-state .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #1976d2;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

/* 에러 상태 */
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    color: #d32f2f;
}

.error-state i {
    font-size: 48px;
    margin-bottom: 16px;
}